{"id":35162,"date":"2025-10-27T10:15:05","date_gmt":"2025-10-27T03:15:05","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=35162"},"modified":"2025-10-27T10:15:29","modified_gmt":"2025-10-27T03:15:29","slug":"nguon-server-psu-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/","title":{"rendered":"Ngu\u1ed3n server (PSU) l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1ch ch\u1ecdn ngu\u1ed3n ph\u00f9 h\u1ee3p cho m\u00e1y ch\u1ee7"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Nguon-server-PSU-la-gi\" >Ngu\u1ed3n server (PSU) l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Vai-tro-chuyen-doi-dien-nang-va-cap-nguon-on-dinh\" >Vai tr\u00f2 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n n\u0103ng v\u00e0 c\u1ea5p ngu\u1ed3n \u1ed5n \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Su-khac-biet-giua-PSU-server-va-PSU-may-tinh-thong-thuong\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa PSU server v\u00e0 PSU m\u00e1y t\u00ednh th\u00f4ng th\u01b0\u1eddng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Cau-tao-va-nguyen-ly-hoat-dong-cua-nguon-server\" >C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n server<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Cac-thanh-phan-chinh-cua-nguon-server\" >C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ngu\u1ed3n server<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Nguyen-ly-hoat-dong-co-ban-cua-PSU-server\" >Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a PSU server<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Phan-loai-nguon-server-pho-bien\" >Ph\u00e2n lo\u1ea1i ngu\u1ed3n server ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Phan-loai-theo-thiet-ke-Single-PSU-vs-Redundant-PSU\" >Ph\u00e2n lo\u1ea1i theo thi\u1ebft k\u1ebf: Single PSU vs Redundant PSU<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Phan-loai-theo-hieu-suat-nang-luong-Chuan-80-Plus\" >Ph\u00e2n lo\u1ea1i theo hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng: Chu\u1ea9n 80 Plus<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Tieu-chi-chon-nguon-PSU-phu-hop-cho-server\" >Ti\u00eau ch\u00ed ch\u1ecdn ngu\u1ed3n PSU ph\u00f9 h\u1ee3p cho server<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Xac-dinh-nhu-cau-cong-suat-thuc-te-cua-he-thong\" >X\u00e1c \u0111\u1ecbnh nhu c\u1ea7u c\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Kiem-tra-chuan-ket-noi-va-kich-thuoc-PSU-Form-Factor\" >Ki\u1ec3m tra chu\u1ea9n k\u1ebft n\u1ed1i v\u00e0 k\u00edch th\u01b0\u1edbc PSU (Form Factor)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Uu-tien-cac-tinh-nang-an-toan-va-tiet-kiem-dien\" >\u01afu ti\u00ean c\u00e1c t\u00ednh n\u0103ng an to\u00e0n v\u00e0 ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Loi-ich-cua-viec-su-dung-nguon-PSU-chat-luong-cao\" >L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ngu\u1ed3n PSU ch\u1ea5t l\u01b0\u1ee3ng cao<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Tang-do-on-dinh-va-uptime-cho-server\" >T\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 uptime cho server<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Giam-rui-ro-chay-no-hu-hong-linh-kien\" >Gi\u1ea3m r\u1ee7i ro ch\u00e1y n\u1ed5, h\u01b0 h\u1ecfng linh ki\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Tiet-kiem-chi-phi-dien-nang-va-bao-tri\" >Ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111i\u1ec7n n\u0103ng v\u00e0 b\u1ea3o tr\u00ec<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Dau-hieu-PSU-server-gap-van-de-va-cach-xu-ly\" >D\u1ea5u hi\u1ec7u PSU server g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u00e0 c\u00e1ch x\u1eed l\u00fd<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Cac-dau-hieu-nhan-biet-PSU-loi\" >C\u00e1c d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft PSU l\u1ed7i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Huong-xu-ly-co-ban\" >H\u01b0\u1edbng x\u1eed l\u00fd c\u01a1 b\u1ea3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Mot-so-thuong-hieu-PSU-server-uy-tin\" >M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u PSU server uy t\u00edn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Cac-thuong-hieu-OEM-va-ben-thu-ba\" >C\u00e1c th\u01b0\u01a1ng hi\u1ec7u OEM v\u00e0 b\u00ean th\u1ee9 ba<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Uu-diem-cua-PSU-chinh-hang-vs-hang-troi-noi\" >\u01afu \u0111i\u1ec3m c\u1ee7a PSU ch\u00ednh h\u00e3ng vs h\u00e0ng tr\u00f4i n\u1ed5i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Mot-so-cau-hoi-thuong-gap-FAQs\" >M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Nguon-server-PSU-co-the-dung-cho-may-tinh-thuong-khong\" >Ngu\u1ed3n server (PSU) c\u00f3 th\u1ec3 d\u00f9ng cho m\u00e1y t\u00ednh th\u01b0\u1eddng kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Chuan-80-Plus-Platinum-co-that-su-can-thiet\" >Chu\u1ea9n 80 Plus Platinum c\u00f3 th\u1eadt s\u1ef1 c\u1ea7n thi\u1ebft?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#PSU-Redundant-du-phong-hoat-dong-nhu-the-nao\" >PSU Redundant (d\u1ef1 ph\u00f2ng) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Toi-co-the-tu-thay-PSU-server-tai-nha-khong\" >T\u00f4i c\u00f3 th\u1ec3 t\u1ef1 thay PSU server t\u1ea1i nh\u00e0 kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/#Cong-suat-PSU-bao-nhieu-la-du-cho-server-cua-toi\" >C\u00f4ng su\u1ea5t PSU bao nhi\u00eau l\u00e0 \u0111\u1ee7 cho server c\u1ee7a t\u00f4i?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>B\u1ea1n \u0111ang t\u1ef1 h\u1ecfi <a href=\"https:\/\/interdata.vn\/blog\/nguon-server-psu-la-gi\/\"><strong>Ngu\u1ed3n server (PSU) l\u00e0 g\u00ec?<\/strong><\/a>\u00a0v\u00e0 t\u1ea1i sao th\u00e0nh ph\u1ea7n n\u00e0y l\u1ea1i l\u00e0 tr\u00e1i tim c\u1ee7a m\u1ecdi h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7? PSU kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n cung c\u1ea5p \u0111i\u1ec7n. Th\u00e0nh ph\u1ea7n n\u00e0y c\u00f2n \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n cho to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a doanh nghi\u1ec7p. Trong b\u00e0i vi\u1ebft n\u00e0y, h\u00e3y c\u00f9ng <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong><\/a> t\u00ecm hi\u1ec3u t\u1eeb A-Z v\u1ec1 PSU server, t\u1eeb c\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng \u0111\u1ebfn b\u00ed quy\u1ebft ch\u1ecdn ngu\u1ed3n ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ee7a b\u1ea1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nguon-server-PSU-la-gi\"><\/span>Ngu\u1ed3n server (PSU) l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ngu\u1ed3n server, hay PSU (vi\u1ebft t\u1eaft c\u1ee7a Power Supply Unit), l\u00e0 b\u1ed9 ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho m\u00e1y ch\u1ee7 (server).<\/p>\n<p>Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a PSU l\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) &#8211; lo\u1ea1i \u0111i\u1ec7n ch\u00fang ta s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y t\u1eeb \u1ed5 c\u1eafm t\u01b0\u1eddng (v\u1edbi \u0111i\u1ec7n \u00e1p 220V \u1edf Vi\u1ec7t Nam) &#8211; th\u00e0nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC) v\u1edbi nhi\u1ec1u m\u1ee9c \u0111i\u1ec7n \u00e1p kh\u00e1c nhau (ph\u1ed5 bi\u1ebfn l\u00e0 +12V, +5V, +3.3V).<\/p>\n<p>C\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed tinh vi b\u00ean trong m\u00e1y ch\u1ee7, nh\u01b0 CPU, RAM, v\u00e0 \u1ed5 c\u1ee9ng, \u0111\u1ec1u y\u00eau c\u1ea7u ngu\u1ed3n \u0111i\u1ec7n DC \u1ed5n \u0111\u1ecbnh tuy\u1ec7t \u0111\u1ed1i \u0111\u1ec3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c.<\/p>\n<figure id=\"attachment_35174\" aria-describedby=\"caption-attachment-35174\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35174 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server.jpg\" alt=\"Ngu\u1ed3n Server\" width=\"600\" height=\"400\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35174\" class=\"wp-caption-text\">Ngu\u1ed3n Server<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Vai-tro-chuyen-doi-dien-nang-va-cap-nguon-on-dinh\"><\/span>Vai tr\u00f2 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n n\u0103ng v\u00e0 c\u1ea5p ngu\u1ed3n \u1ed5n \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vai tr\u00f2 c\u1ee7a PSU server kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n. Y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t PSU server l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n <i>\u1ed5n \u0111\u1ecbnh<\/i>, <i>s\u1ea1ch<\/i> (\u00edt nhi\u1ec5u) v\u00e0 <i>li\u00ean t\u1ee5c<\/i>.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung PSU nh\u01b0 tr\u00e1i tim c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7. M\u1ed9t tr\u00e1i tim kh\u1ecfe m\u1ea1nh s\u1ebd b\u01a1m m\u00e1u \u0111\u1ec1u \u0111\u1eb7n \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u01a1 quan. T\u01b0\u01a1ng t\u1ef1, m\u1ed9t PSU t\u1ed1t s\u1ebd cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c v\u00e0 \u1ed5n \u0111\u1ecbnh cho m\u1ecdi linh ki\u1ec7n.<\/p>\n<p>B\u1ea5t k\u1ef3 s\u1ef1 s\u1ee5t gi\u1ea3m, t\u0103ng v\u1ecdt \u0111i\u1ec7n \u00e1p (g\u1ecdi l\u00e0 s\u1ee5t \u00e1p ho\u1eb7c qu\u00e1 \u00e1p), hay nhi\u1ec5u \u0111i\u1ec7n n\u00e0o c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i h\u1ec7 th\u1ed1ng, h\u1ecfng h\u00f3c d\u1eef li\u1ec7u, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m ch\u00e1y linh ki\u1ec7n. V\u00ec v\u1eady, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a PSU tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng (uptime) c\u1ee7a server.<\/p>\n<figure id=\"attachment_35171\" aria-describedby=\"caption-attachment-35171\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35171 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-1.jpg\" alt=\"Ngu\u1ed3n Server\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-1.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-1-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35171\" class=\"wp-caption-text\">Ngu\u1ed3n Server<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Su-khac-biet-giua-PSU-server-va-PSU-may-tinh-thong-thuong\"><\/span>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa PSU server v\u00e0 PSU m\u00e1y t\u00ednh th\u00f4ng th\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa PSU server v\u00e0 PSU d\u00e0nh cho m\u00e1y t\u00ednh c\u00e1 nh\u00e2n (PC). M\u1eb7c d\u00f9 c\u00f9ng th\u1ef1c hi\u1ec7n m\u1ed9t ch\u1ee9c n\u0103ng, ch\u00fang c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t r\u1ea5t l\u1edbn v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 b\u1ec1n v\u00e0 Kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng 24\/7:<\/strong> PSU server \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u1edbi c\u00e1c linh ki\u1ec7n cao c\u1ea5p (nh\u01b0 t\u1ee5 \u0111i\u1ec7n Nh\u1eadt B\u1ea3n, bi\u1ebfn \u00e1p l\u00f5i l\u1edbn) \u0111\u1ec3 ch\u1ecbu t\u1ea3i n\u1eb7ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c 24\/7\/365 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u. PSU m\u00e1y t\u00ednh th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho th\u1eddi gian s\u1eed d\u1ee5ng trung b\u00ecnh 8-10 gi\u1edd m\u1ed7i ng\u00e0y.<\/li>\n<li><strong>C\u00f4ng su\u1ea5t v\u00e0 Hi\u1ec7u su\u1ea5t:<\/strong> PSU server th\u01b0\u1eddng c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 t\u1eadp trung v\u00e0o hi\u1ec7u su\u1ea5t r\u1ea5t cao (th\u01b0\u1eddng t\u1eeb chu\u1ea9n 80 Plus Gold tr\u1edf l\u00ean) \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111i\u1ec7n n\u0103ng khi v\u1eadn h\u00e0nh d\u00e0i h\u1ea1n.<\/li>\n<li><strong>T\u00ednh n\u0103ng d\u1ef1 ph\u00f2ng (Redundancy):<\/strong> \u0110\u00e2y l\u00e0 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i. \u0110a s\u1ed1 c\u00e1c server d\u00e0nh cho doanh nghi\u1ec7p \u0111\u1ec1u s\u1eed d\u1ee5ng PSU d\u1ef1 ph\u00f2ng. N\u1ebfu m\u1ed9t b\u1ed9 ngu\u1ed3n g\u1eb7p s\u1ef1 c\u1ed1, b\u1ed9 ngu\u1ed3n c\u00f2n l\u1ea1i s\u1ebd l\u1eadp t\u1ee9c thay th\u1ebf, \u0111\u1ea3m b\u1ea3o server kh\u00f4ng b\u1ecb t\u1eaft. PSU m\u00e1y t\u00ednh h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 t\u00ednh n\u0103ng n\u00e0y.<\/li>\n<li><strong>Chu\u1ea9n k\u1ebft n\u1ed1i v\u00e0 K\u00edch th\u01b0\u1edbc:<\/strong> PSU server th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c chu\u1ea9n k\u1ebft n\u1ed1i ri\u00eang (nh\u01b0 EPS 12V) ho\u1eb7c c\u00e1c module c\u1eafm n\u00f3ng (hot-swap) \u0111\u1ed9c quy\u1ec1n c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t (Dell, HP, Supermicro), kh\u00e1c bi\u1ec7t v\u1edbi chu\u1ea9n ATX ph\u1ed5 bi\u1ebfn tr\u00ean PC.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau-tao-va-nguyen-ly-hoat-dong-cua-nguon-server\"><\/span>C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n server<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u t\u1ea1i sao PSU server l\u1ea1i quan tr\u1ecdng, ch\u00fang ta c\u1ea7n bi\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n b\u00ean trong v\u00e0 c\u00e1ch ch\u00fang ph\u1ed1i h\u1ee3p v\u1edbi nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac-thanh-phan-chinh-cua-nguon-server\"><\/span>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ngu\u1ed3n server<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t b\u1ed9 ngu\u1ed3n server l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, bao g\u1ed3m nhi\u1ec1u linh ki\u1ec7n \u0111i\u1ec7n t\u1eed. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i:<\/p>\n<ul>\n<li><strong>Bi\u1ebfn \u00e1p (Transformers):<\/strong> Linh ki\u1ec7n ch\u00ednh \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c t\u0103ng ho\u1eb7c h\u1ea1 \u0111i\u1ec7n \u00e1p trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i.<\/li>\n<li><strong>T\u1ee5 l\u1ecdc (Capacitors):<\/strong> C\u00f3 vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng. T\u1ee5 l\u1ecdc gi\u00fap l\u00e0m ph\u1eb3ng d\u00f2ng \u0111i\u1ec7n DC sau khi ch\u1ec9nh l\u01b0u, lo\u1ea1i b\u1ecf c\u00e1c g\u1ee3n s\u00f3ng (ripple) v\u00e0 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u1ea1m th\u1eddi. T\u1ee5 l\u1ecdc ch\u1ea5t l\u01b0\u1ee3ng cao (th\u01b0\u1eddng l\u00e0 t\u1ee5 r\u1eafn ho\u1eb7c t\u1ee5 h\u00f3a c\u1ee7a Nh\u1eadt) \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra si\u00eau \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>Diode v\u00e0 C\u1ea7u ch\u1ec9nh l\u01b0u (Bridge Rectifier):<\/strong> Nh\u00f3m linh ki\u1ec7n n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng AC (hai chi\u1ec1u) th\u00e0nh d\u00f2ng DC (m\u1ed9t chi\u1ec1u).<\/li>\n<li><strong>M\u1ea1ch \u0111i\u1ec1u khi\u1ec3n (Control Circuitry &#8211; PWM):<\/strong> \u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 b\u1ed9 n\u00e3o c\u1ee7a PSU. M\u1ea1ch n\u00e0y s\u1eedu d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung (PWM) \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p, \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh d\u00f9 cho t\u1ea3i (nhu c\u1ea7u \u0111i\u1ec7n) c\u1ee7a server thay \u0111\u1ed5i li\u00ean t\u1ee5c.<\/li>\n<li><strong>Qu\u1ea1t l\u00e0m m\u00e1t (Cooling Fans):<\/strong> Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n n\u0103ng lu\u00f4n sinh ra nhi\u1ec7t. PSU server t\u1ecfa ra l\u01b0\u1ee3ng nhi\u1ec7t r\u1ea5t l\u1edbn, v\u00ec v\u1eady ch\u00fang \u0111\u01b0\u1ee3c trang b\u1ecb qu\u1ea1t chuy\u00ean d\u1ee5ng (th\u01b0\u1eddng l\u00e0 lo\u1ea1i qu\u1ea1t t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 b\u1ec1n cao) \u0111\u1ec3 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3, duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng an to\u00e0n.<\/li>\n<li><strong>M\u1ea1ch PFC (Power Factor Correction):<\/strong> M\u1ea1ch \u0111i\u1ec1u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t. H\u1ea7u h\u1ebft c\u00e1c PSU server hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u d\u00f9ng Active PFC (PFC ch\u1ee7 \u0111\u1ed9ng). M\u1ea1ch n\u00e0y gi\u00fap PSU s\u1eed d\u1ee5ng \u0111i\u1ec7n n\u0103ng t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t, gi\u1ea3m l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u01b0\u01a1ng th\u00edch t\u1ed1t h\u01a1n v\u1edbi h\u1ec7 th\u1ed1ng UPS (b\u1ed9 l\u01b0u \u0111i\u1ec7n).<\/li>\n<\/ul>\n<figure id=\"attachment_35170\" aria-describedby=\"caption-attachment-35170\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35170 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cau-tao-cua-nguon-server.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u1ee7a ngu\u1ed3n server\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cau-tao-cua-nguon-server.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cau-tao-cua-nguon-server-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cau-tao-cua-nguon-server-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35170\" class=\"wp-caption-text\">C\u1ea5u t\u1ea1o c\u1ee7a ngu\u1ed3n server<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen-ly-hoat-dong-co-ban-cua-PSU-server\"><\/span>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a PSU server<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t PSU server di\u1ec5n ra g\u1ea7n nh\u01b0 t\u1ee9c th\u1eddi khi b\u1ea1n b\u1eadt c\u00f4ng t\u1eafc. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 qua c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n sau:<\/p>\n<p><strong>B\u01b0\u1edbc 1: L\u1ecdc nhi\u1ec5u (Filtering):<\/strong> D\u00f2ng \u0111i\u1ec7n AC (220V) t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n \u0111i v\u00e0o PSU. Ngay l\u1eadp t\u1ee9c, d\u00f2ng \u0111i\u1ec7n n\u00e0y \u0111i qua m\u1ed9t m\u1ea1ch l\u1ecdc nhi\u1ec5u EMI\/RFI. M\u1ea1ch n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 lo\u1ea1i b\u1ecf c\u00e1c nhi\u1ec5u \u0111i\u1ec7n t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n ho\u1eb7c t\u1eeb ch\u00ednh c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong nh\u00e0, \u0111\u1ea3m b\u1ea3o d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o &#8220;s\u1ea1ch&#8221;.<\/p>\n<p><strong>B\u01b0\u1edbc 2: Ch\u1ec9nh l\u01b0u AC-DC (L\u1ea7n 1):<\/strong> D\u00f2ng AC s\u1ea1ch \u0111\u01b0\u1ee3c \u0111\u01b0a qua c\u1ea7u ch\u1ec9nh l\u01b0u (Bridge Rectifier) \u0111\u1ec3 bi\u1ebfn th\u00e0nh d\u00f2ng DC th\u00f4. D\u00f2ng DC l\u00fac n\u00e0y c\u00f3 \u0111i\u1ec7n \u00e1p cao v\u00e0 v\u1eabn c\u00f2n g\u1ee3n s\u00f3ng.<\/p>\n<p><strong>B\u01b0\u1edbc 3: \u0110i\u1ec1u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t (PFC):<\/strong> D\u00f2ng DC th\u00f4 ti\u1ebfp t\u1ee5c \u0111i qua m\u1ea1ch Active PFC. M\u1ea1ch n\u00e0y &#8220;n\u1eafn&#8221; l\u1ea1i d\u1ea1ng s\u00f3ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n, gi\u00fap PSU s\u1eed d\u1ee5ng \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 nh\u1ea5t (th\u01b0\u1eddng \u0111\u1ea1t h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t tr\u00ean 0.95, t\u1ee9c 95%).<\/p>\n<p><strong>B\u01b0\u1edbc 4: Chuy\u1ec3n m\u1ea1ch v\u00e0 H\u1ea1 \u00e1p (Switching &amp; Transformation):<\/strong> \u0110\u00e2y l\u00e0 ph\u1ea7n c\u1ed1t l\u00f5i. D\u00f2ng DC cao \u00e1p \u0111\u01b0\u1ee3c &#8220;b\u0103m&#8221; (switch) \u1edf t\u1ea7n s\u1ed1 r\u1ea5t cao (h\u00e0ng ng\u00e0n l\u1ea7n m\u1ed7i gi\u00e2y) qua m\u1ed9t bi\u1ebfn \u00e1p ch\u00ednh. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap h\u1ea1 \u0111i\u1ec7n \u00e1p xu\u1ed1ng c\u00e1c m\u1ee9c mong mu\u1ed1n (nh\u01b0 12V, 5V) m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 gi\u00fap PSU c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn.<\/p>\n<p><strong>B\u01b0\u1edbc 5: Ch\u1ec9nh l\u01b0u v\u00e0 L\u1ecdc (L\u1ea7n 2):<\/strong> D\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra c\u1ee7a bi\u1ebfn \u00e1p (l\u00fac n\u00e0y v\u1eabn l\u00e0 AC \u1edf t\u1ea7n s\u1ed1 cao) \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u m\u1ed9t l\u1ea7n n\u1eefa th\u00e0nh DC. Sau \u0111\u00f3, d\u00f2ng DC n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01b0a qua m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ee5 l\u1ecdc v\u00e0 cu\u1ed9n c\u1ea3m ph\u1ee9c t\u1ea1p \u0111\u1ec3 l\u00e0m ph\u1eb3ng tuy\u1ec7t \u0111\u1ed1i, t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng \u0111i\u1ec7n \u00e1p (+12V, +5V, +3.3V) si\u00eau s\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh, s\u1eb5n s\u00e0ng c\u1ea5p cho server.<\/p>\n<p>Trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u00e0y, c\u00e1c c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t c\u00f4ng su\u1ea5t v\u00e0 ch\u1ed1ng qu\u00e1 t\u1ea3i li\u00ean t\u1ee5c gi\u00e1m s\u00e1t. N\u1ebfu ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 \u0111i\u1ec1u g\u00ec b\u1ea5t th\u01b0\u1eddng (nh\u01b0 ch\u1eadp \u0111i\u1ec7n, qu\u00e1 t\u1ea3i), PSU s\u1ebd l\u1eadp t\u1ee9c ng\u1eaft ngu\u1ed3n \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n \u0111\u1eaft ti\u1ec1n c\u1ee7a server.<\/p>\n<figure id=\"attachment_35175\" aria-describedby=\"caption-attachment-35175\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35175 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguyen-ly-hoat-dong-cua-nguon-server.jpg\" alt=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n server\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguyen-ly-hoat-dong-cua-nguon-server.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguyen-ly-hoat-dong-cua-nguon-server-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguyen-ly-hoat-dong-cua-nguon-server-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35175\" class=\"wp-caption-text\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n server<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Phan-loai-nguon-server-pho-bien\"><\/span>Ph\u00e2n lo\u1ea1i ngu\u1ed3n server ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi t\u00ecm hi\u1ec3u v\u1ec1 server, b\u1ea1n s\u1ebd th\u01b0\u1eddng nghe \u0111\u1ebfn hai c\u00e1ch ph\u00e2n lo\u1ea1i PSU ch\u00ednh: theo thi\u1ebft k\u1ebf (d\u1ef1 ph\u00f2ng) v\u00e0 theo hi\u1ec7u su\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phan-loai-theo-thiet-ke-Single-PSU-vs-Redundant-PSU\"><\/span>Ph\u00e2n lo\u1ea1i theo thi\u1ebft k\u1ebf: Single PSU vs Redundant PSU<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady c\u1ee7a server.<\/p>\n<ul>\n<li><strong>Single PSU (Ngu\u1ed3n \u0111\u01a1n):<\/strong> L\u00e0 lo\u1ea1i server ch\u1ec9 \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ed9t b\u1ed9 ngu\u1ed3n duy nh\u1ea5t. Thi\u1ebft k\u1ebf n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 PSU tr\u00ean m\u00e1y t\u00ednh c\u00e1 nh\u00e2n. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u1edbn nh\u1ea5t l\u00e0 r\u1ee7i ro cao. N\u1ebfu PSU n\u00e0y h\u1ecfng, to\u00e0n b\u1ed9 server s\u1ebd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c, g\u00e2y gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5. Lo\u1ea1i n\u00e0y th\u01b0\u1eddng ch\u1ec9 ph\u00f9 h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 kh\u00f4ng quan tr\u1ecdng ho\u1eb7c doanh nghi\u1ec7p si\u00eau nh\u1ecf.<\/li>\n<li><strong>Redundant PSU (PSU d\u1ef1 ph\u00f2ng):<\/strong> \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng cho c\u00e1c h\u1ec7 th\u1ed1ng server c\u1ee7a doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u. Thi\u1ebft k\u1ebf n\u00e0y bao g\u1ed3m hai ho\u1eb7c nhi\u1ec1u module ngu\u1ed3n (v\u00ed d\u1ee5: 2 ngu\u1ed3n 750W c\u1eafm song song).<\/li>\n<\/ul>\n<p>C\u00e1c PSU d\u1ef1 ph\u00f2ng ho\u1ea1t \u0111\u1ed9ng theo c\u01a1 ch\u1ebf N+1 (1 ngu\u1ed3n ch\u1ea1y ch\u00ednh, 1 ngu\u1ed3n d\u1ef1 ph\u00f2ng) ho\u1eb7c N+N (c\u1ea3 hai c\u00f9ng ch\u1ea1y v\u00e0 chia t\u1ea3i cho nhau).<\/p>\n<p>\u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t l\u00e0 t\u00ednh &#8220;s\u1eb5n s\u00e0ng cao&#8221; (High Availability). N\u1ebfu m\u1ed9t module ngu\u1ed3n b\u1ecb l\u1ed7i, module c\u00f2n l\u1ea1i s\u1ebd l\u1eadp t\u1ee9c g\u00e1nh 100% t\u1ea3i. Server v\u1eabn ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng h\u1ec1 b\u1ecb gi\u00e1n \u0111o\u1ea1n (zero downtime).<\/p>\n<p>H\u1ea7u h\u1ebft c\u00e1c PSU d\u1ef1 ph\u00f2ng \u0111\u1ec1u h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng &#8220;hot-swap&#8221; (c\u1eafm n\u00f3ng). T\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p k\u1ef9 thu\u1eadt vi\u00ean th\u00e1o module ngu\u1ed3n h\u1ecfng v\u00e0 thay th\u1ebf module m\u1edbi ngay trong l\u00fac server \u0111ang ch\u1ea1y, m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft h\u1ec7 th\u1ed1ng. \u0110\u00e2y l\u00e0 l\u00fd do m\u1ecdi doanh nghi\u1ec7p l\u1edbn \u0111\u1ec1u \u01b0u ti\u00ean tuy\u1ec7t \u0111\u1ed1i PSU d\u1ef1 ph\u00f2ng.<\/p>\n<figure id=\"attachment_35169\" aria-describedby=\"caption-attachment-35169\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35169 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cac-loai-nguon-server.jpg\" alt=\"C\u00e1c lo\u1ea1i ngu\u1ed3n server\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cac-loai-nguon-server.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cac-loai-nguon-server-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cac-loai-nguon-server-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35169\" class=\"wp-caption-text\">C\u00e1c lo\u1ea1i ngu\u1ed3n server<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Phan-loai-theo-hieu-suat-nang-luong-Chuan-80-Plus\"><\/span>Ph\u00e2n lo\u1ea1i theo hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng: Chu\u1ea9n 80 Plus<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hi\u1ec7u su\u1ea5t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t khi server ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng 24\/7. Hi\u1ec7u su\u1ea5t PSU l\u00e0 t\u1ef7 l\u1ec7 % \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00f4ng t\u1eeb AC sang DC. Ph\u1ea7n % c\u00f2n l\u1ea1i s\u1ebd b\u1ecb th\u1ea5t tho\u00e1t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t.<\/p>\n<p><strong>Chu\u1ea9n 80 Plus<\/strong> l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ch\u1ee9ng nh\u1eadn v\u1ec1 hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng. M\u1ed9t PSU \u0111\u1ea1t chu\u1ea9n 80 Plus c\u00f3 ngh\u0129a l\u00e0 t\u1ea1i c\u00e1c m\u1ee9c t\u1ea3i (20%, 50%, 100%), PSU ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 80% \u0111i\u1ec7n n\u0103ng. 20% c\u00f2n l\u1ea1i b\u1ecb l\u00e3ng ph\u00ed.<\/p>\n<p>Chu\u1ea9n 80 Plus c\u00f3 nhi\u1ec1u c\u1ea5p b\u1eadc, hi\u1ec7u su\u1ea5t c\u00e0ng cao c\u00e0ng t\u1ed1t:<\/p>\n<ul>\n<li>80 Plus Standard\/White (Hi\u1ec7u su\u1ea5t 80% &#8211; \u00cdt d\u00f9ng cho server)<\/li>\n<li>80 Plus Bronze (Hi\u1ec7u su\u1ea5t 85% \u1edf 50% t\u1ea3i)<\/li>\n<li>80 Plus Silver (Hi\u1ec7u su\u1ea5t 88% \u1edf 50% t\u1ea3i)<\/li>\n<li>80 Plus Gold (Hi\u1ec7u su\u1ea5t 90% \u1edf 50% t\u1ea3i &#8211; Ph\u1ed5 bi\u1ebfn cho server t\u1ea7m trung)<\/li>\n<li>80 Plus Platinum (Hi\u1ec7u su\u1ea5t 92% \u1edf 50% t\u1ea3i &#8211; Ph\u1ed5 bi\u1ebfn cho server cao c\u1ea5p)<\/li>\n<li>80 Plus Titanium (Hi\u1ec7u su\u1ea5t 94% \u1edf 50% t\u1ea3i &#8211; Cao c\u1ea5p nh\u1ea5t)<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, m\u1ed9t PSU 80 Plus Platinum (hi\u1ec7u su\u1ea5t 92%) ch\u1ec9 l\u00e3ng ph\u00ed 8% \u0111i\u1ec7n n\u0103ng. Trong khi \u0111\u00f3, PSU 80 Plus Standard (hi\u1ec7u su\u1ea5t 80%) l\u00e3ng ph\u00ed \u0111\u1ebfn 20%. Khi v\u1eadn h\u00e0nh h\u00e0ng tr\u0103m server 24\/7, s\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y s\u1ebd t\u1ea1o ra m\u1ed9t kho\u1ea3n chi ph\u00ed ti\u1ec1n \u0111i\u1ec7n kh\u1ed5ng l\u1ed3. \u0110\u1ea7u t\u01b0 v\u00e0o PSU hi\u1ec7u su\u1ea5t cao gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed v\u1eadn h\u00e0nh v\u1ec1 l\u00e2u d\u00e0i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tieu-chi-chon-nguon-PSU-phu-hop-cho-server\"><\/span>Ti\u00eau ch\u00ed ch\u1ecdn ngu\u1ed3n PSU ph\u00f9 h\u1ee3p cho server<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c ch\u1ecdn \u0111\u00fang PSU cho server ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u so v\u1edbi ch\u1ecdn PSU cho m\u00e1y t\u00ednh. B\u1ea1n c\u1ea7n xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c ti\u00eau ch\u00ed sau \u0111\u00e2y:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xac-dinh-nhu-cau-cong-suat-thuc-te-cua-he-thong\"><\/span>X\u00e1c \u0111\u1ecbnh nhu c\u1ea7u c\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t. B\u1ea1n c\u1ea7n bi\u1ebft server c\u1ee7a m\u00ecnh ti\u00eau th\u1ee5 bao nhi\u00eau \u0111i\u1ec7n khi ch\u1ea1y \u1edf m\u1ee9c t\u1ea3i t\u1ed1i \u0111a.<\/p>\n<p>H\u00e3y t\u00ednh t\u1ed5ng c\u00f4ng su\u1ea5t (TDP) c\u1ee7a c\u00e1c linh ki\u1ec7n ch\u00ednh: CPU (\u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng n\u1ebfu server ch\u1ea1y 2 CPU), GPU (n\u1ebfu d\u00f9ng cho AI ho\u1eb7c VDI), s\u1ed1 l\u01b0\u1ee3ng thanh RAM, v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng (c\u1ea3 SSD v\u00e0 HDD).<\/p>\n<p>Nguy\u00ean t\u1eafc v\u00e0ng l\u00e0 &#8220;d\u1ef1 ph\u00f2ng c\u00f4ng su\u1ea5t&#8221;. \u0110\u1eebng bao gi\u1edd ch\u1ecdn PSU c\u00f3 c\u00f4ng su\u1ea5t v\u1eeba kh\u00edt v\u1edbi t\u1ed5ng c\u00f4ng su\u1ea5t b\u1ea1n v\u1eeba t\u00ednh. PSU ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n b\u1ec9 nh\u1ea5t \u1edf kho\u1ea3ng 40-60% t\u1ea3i.<\/p>\n<p>L\u1eddi khuy\u00ean c\u1ee7a chuy\u00ean gia l\u00e0 ch\u1ecdn PSU c\u00f3 c\u00f4ng su\u1ea5t cao h\u01a1n \u00edt nh\u1ea5t 20-30% so v\u1edbi nhu c\u1ea7u t\u1ed1i \u0111a c\u1ee7a h\u1ec7 th\u1ed1ng. V\u00ed d\u1ee5, n\u1ebfu h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n c\u1ea7n 500W khi ch\u1ea1y h\u1ebft c\u00f4ng su\u1ea5t, h\u00e3y ch\u1ecdn PSU 650W ho\u1eb7c 750W. \u0110i\u1ec1u n\u00e0y gi\u00fap PSU ch\u1ea1y m\u00e1t h\u01a1n, b\u1ec1n h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng cho vi\u1ec7c n\u00e2ng c\u1ea5p (th\u00eam RAM, \u1ed5 c\u1ee9ng) trong t\u01b0\u01a1ng lai.<\/p>\n<figure id=\"attachment_35172\" aria-describedby=\"caption-attachment-35172\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35172\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-2.jpg\" alt=\"Ngu\u1ed3n Server\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-2.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-2-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Nguon-Server-2-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35172\" class=\"wp-caption-text\">Ngu\u1ed3n Server<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-tra-chuan-ket-noi-va-kich-thuoc-PSU-Form-Factor\"><\/span>Ki\u1ec3m tra chu\u1ea9n k\u1ebft n\u1ed1i v\u00e0 k\u00edch th\u01b0\u1edbc PSU (Form Factor)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e1y t\u00ednh PC, PSU server kh\u00f4ng c\u00f3 m\u1ed9t k\u00edch th\u01b0\u1edbc chu\u1ea9n duy nh\u1ea5t.<\/p>\n<p>B\u1ea1n ph\u1ea3i ki\u1ec3m tra xem v\u1ecf m\u00e1y ch\u1ee7 (case) c\u1ee7a m\u00ecnh h\u1ed7 tr\u1ee3 lo\u1ea1i PSU n\u00e0o. C\u00e1c chu\u1ea9n k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>ATX\/EPS:<\/strong> Gi\u1ed1ng PSU m\u00e1y t\u00ednh nh\u01b0ng th\u01b0\u1eddng c\u00f3 th\u00eam \u0111\u1ea7u c\u1eafm 8-pin EPS (ho\u1eb7c 2 \u0111\u1ea7u 8-pin) cho CPU server.<\/li>\n<li><strong>PSU \u0111\u1ed9c quy\u1ec1n (Proprietary):<\/strong> C\u00e1c h\u00e3ng l\u1edbn nh\u01b0 Dell, HP, Lenovo th\u01b0\u1eddng thi\u1ebft k\u1ebf PSU c\u00f3 h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 ch\u00e2n c\u1eafm ri\u00eang, ch\u1ec9 v\u1eeba v\u1edbi case server c\u1ee7a h\u1ecd. B\u1ea1n kh\u00f4ng th\u1ec3 d\u00f9ng PSU h\u00e3ng kh\u00e1c thay th\u1ebf.<\/li>\n<li><strong>Hot-swap Modules:<\/strong> D\u00f9ng cho c\u00e1c server h\u1ed7 tr\u1ee3 PSU d\u1ef1 ph\u00f2ng. \u0110\u00e2y l\u00e0 c\u00e1c module d\u1ea1ng thanh, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u01b0\u1ee3t v\u00e0o m\u1ed9t khay c\u1eafm (PDB &#8211; Power Distribution Board) \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong server.<\/li>\n<\/ul>\n<p>H\u00e3y \u0111\u1ea3m b\u1ea3o PSU b\u1ea1n mua c\u00f3 \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng ch\u00e2n c\u1eafm c\u1ea7n thi\u1ebft cho mainboard, CPU (th\u01b0\u1eddng l\u00e0 2 \u0111\u1ea7u 8-pin cho server ch\u1ea1y 2 CPU), v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi (SATA\/SAS).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uu-tien-cac-tinh-nang-an-toan-va-tiet-kiem-dien\"><\/span>\u01afu ti\u00ean c\u00e1c t\u00ednh n\u0103ng an to\u00e0n v\u00e0 ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Hi\u1ec7u su\u1ea5t 80 Plus:<\/strong> Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 b\u1eaft bu\u1ed9c. \u0110\u1ed1i v\u1edbi server, InterData khuy\u00ean b\u1ea1n n\u00ean ch\u1ecdn t\u1eeb chu\u1ea9n <code>80 Plus Gold<\/code> tr\u1edf l\u00ean. Chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u c\u00f3 th\u1ec3 cao h\u01a1n, nh\u01b0ng chi ph\u00ed ti\u1ec1n \u0111i\u1ec7n h\u00e0ng th\u00e1ng s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3, gi\u00fap thu h\u1ed3i v\u1ed1n nhanh ch\u00f3ng.<\/p>\n<p><strong>C\u00e1c t\u00ednh n\u0103ng b\u1ea3o v\u1ec7:<\/strong> M\u1ed9t PSU t\u1ed1t ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t v\u1ec7 s\u0129, b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n \u0111\u1eaft ti\u1ec1n b\u00ean trong. H\u00e3y t\u00ecm c\u00e1c PSU c\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 an to\u00e0n \u0111i\u1ec7n c\u1ed1t l\u00f5i:<\/p>\n<ul>\n<li><strong>OVP<\/strong> (Over Voltage Protection): B\u1ea3o v\u1ec7 qu\u00e1 \u00e1p.<\/li>\n<li><strong>UVP<\/strong> (Under Voltage Protection): B\u1ea3o v\u1ec7 d\u01b0\u1edbi \u00e1p.<\/li>\n<li><strong>OCP<\/strong> (Over Current Protection): B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng.<\/li>\n<li><strong>OPP<\/strong> (Over Power Protection): B\u1ea3o v\u1ec7 qu\u00e1 c\u00f4ng su\u1ea5t.<\/li>\n<li><strong>OTP<\/strong> (Over Temperature Protection): B\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t.<\/li>\n<li><strong>SCP<\/strong> (Short Circuit Protection): B\u1ea3o v\u1ec7 ch\u1ea1m t\u1ea3i (ch\u1eadp \u0111i\u1ec7n).<\/li>\n<\/ul>\n<p>Thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng n\u00e0y, m\u1ed9t s\u1ef1 c\u1ed1 \u0111i\u1ec7n nh\u1ecf t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng server tr\u1ecb gi\u00e1 h\u00e0ng tr\u0103m tri\u1ec7u \u0111\u1ed3ng c\u1ee7a b\u1ea1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi-ich-cua-viec-su-dung-nguon-PSU-chat-luong-cao\"><\/span>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ngu\u1ed3n PSU ch\u1ea5t l\u01b0\u1ee3ng cao<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ea7u t\u01b0 v\u00e0o m\u1ed9t b\u1ed9 ngu\u1ed3n server \u0111\u1eaft ti\u1ec1n, ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn kh\u00f4ng bao gi\u1edd l\u00e0 l\u00e3ng ph\u00ed. L\u1ee3i \u00edch mang l\u1ea1i l\u00e0 r\u1ea5t l\u1edbn v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb l\u00e2u d\u00e0i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tang-do-on-dinh-va-uptime-cho-server\"><\/span>T\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 uptime cho server<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 l\u1ee3i \u00edch l\u1edbn nh\u1ea5t v\u00e0 tr\u1ef1c ti\u1ebfp nh\u1ea5t. PSU ch\u1ea5t l\u01b0\u1ee3ng cao cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n &#8220;s\u1ea1ch&#8221; \u2013 t\u1ee9c l\u00e0 ph\u1eb3ng, \u1ed5n \u0111\u1ecbnh, kh\u00f4ng b\u1ecb nhi\u1ec5u \u0111i\u1ec7n (ripple\/noise).<\/p>\n<p>Khi CPU, RAM v\u00e0 \u1ed5 c\u1ee9ng nh\u1eadn \u0111\u01b0\u1ee3c ngu\u1ed3n \u0111i\u1ec7n &#8220;s\u1ea1ch&#8221;, ch\u00fang ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a c\u00e1c l\u1ed7i v\u1eb7t kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n, t\u00ecnh tr\u1ea1ng server t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i (random reboot), treo m\u00e1y (freeze) ho\u1eb7c c\u00e1c l\u1ed7i h\u1ec7 \u0111i\u1ec1u h\u00e0nh nghi\u00eam tr\u1ecdng.<\/p>\n<figure id=\"attachment_35178\" aria-describedby=\"caption-attachment-35178\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35178\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Uptime.jpg\" alt=\"Uptime\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Uptime.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Uptime-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Uptime-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35178\" class=\"wp-caption-text\">T\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 uptime cho server<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Giam-rui-ro-chay-no-hu-hong-linh-kien\"><\/span>Gi\u1ea3m r\u1ee7i ro ch\u00e1y n\u1ed5, h\u01b0 h\u1ecfng linh ki\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PSU ch\u1ea5t l\u01b0\u1ee3ng cao s\u1eed d\u1ee5ng linh ki\u1ec7n cao c\u1ea5p, \u0111\u1eb7c bi\u1ec7t l\u00e0 100% t\u1ee5 \u0111i\u1ec7n Nh\u1eadt B\u1ea3n (v\u1edbi m\u1ee9c ch\u1ecbu nhi\u1ec7t 105\u00b0C) c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i n\u1eb7ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao trong th\u1eddi gian d\u00e0i.<\/p>\n<p>C\u00e1c m\u1ea1ch b\u1ea3o v\u1ec7 \u0111\u1ea7y \u0111\u1ee7, nh\u1ea1y b\u00e9n s\u1ebd ng\u1eaft \u0111i\u1ec7n ngay l\u1eadp t\u1ee9c khi c\u00f3 s\u1ef1 c\u1ed1, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng lan truy\u1ec1n. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t PSU &#8220;r\u1edfm&#8221; (h\u00e0ng tr\u00f4i n\u1ed5i, gi\u00e1 r\u1ebb) khi h\u1ecfng c\u00f3 th\u1ec3 &#8220;k\u00e9o theo&#8221; c\u1ea3 mainboard, CPU v\u00e0 to\u00e0n b\u1ed9 d\u1eef li\u1ec7u trong \u1ed5 c\u1ee9ng \u2013 bi\u1ebfn m\u1ed9t s\u1ef1 c\u1ed1 nh\u1ecf th\u00e0nh th\u1ea3m h\u1ecda cho doanh nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tiet-kiem-chi-phi-dien-nang-va-bao-tri\"><\/span>Ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111i\u1ec7n n\u0103ng v\u00e0 b\u1ea3o tr\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hi\u1ec7u su\u1ea5t cao (80 Plus Gold, Platinum) gi\u00fap gi\u1ea3m l\u00e3ng ph\u00ed \u0111i\u1ec7n n\u0103ng. \u00cdt l\u00e3ng ph\u00ed \u0111i\u1ec7n \u0111\u1ed3ng ngh\u0129a v\u1edbi h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n h\u00e0ng th\u00e1ng th\u1ea5p h\u01a1n.<\/p>\n<p>\u0110\u1ed3ng th\u1eddi, v\u00ec PSU t\u1ecfa nhi\u1ec7t \u00edt h\u01a1n, h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u1ee7a server (v\u00e0 c\u1ea3 ph\u00f2ng m\u00e1y) c\u0169ng kh\u00f4ng ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng qu\u00e1 v\u1ea5t v\u1ea3, l\u1ea1i ti\u1ebft ki\u1ec7m th\u00eam m\u1ed9t kho\u1ea3n chi ph\u00ed \u0111i\u1ec7n cho l\u00e0m m\u00e1t. PSU b\u1ec1n b\u1ec9 h\u01a1n c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c b\u1ea1n \u00edt ph\u1ea3i t\u1ed1n chi ph\u00ed v\u00e0 th\u1eddi gian ch\u1ebft (downtime) \u0111\u1ec3 b\u1ea3o tr\u00ec ho\u1eb7c thay th\u1ebf.<\/p>\n<blockquote><p><strong>C\u1ea6N M\u00d4I TR\u01af\u1edcNG CHUY\u00caN NGHI\u1ec6P CHO SERVER? KH\u00c1M PH\u00c1 D\u1ecaCH V\u1ee4 COLOCATION T\u1ea0I INTERDATA<\/strong><\/p>\n<p>M\u1ed9t PSU ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ea7n m\u1ed9t m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh t\u01b0\u01a1ng x\u1ee9ng \u0111\u1ec3 ph\u00e1t huy t\u1ed1i \u0111a hi\u1ec7u qu\u1ea3. T\u1ef1 v\u1eadn h\u00e0nh server t\u1ea1i v\u0103n ph\u00f2ng th\u01b0\u1eddng kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 nhi\u1ec7t \u0111\u1ed9, khi\u1ebfn PSU d\u1ec5 b\u1ecb qu\u00e1 t\u1ea3i v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd.<\/p>\n<p>D\u1ecbch v\u1ee5 <a href=\"https:\/\/interdata.vn\/vietnam-co-location\/\" target=\"_blank\" rel=\"noopener\"><strong>cho thu\u00ea ch\u1ed7 \u0111\u1eb7t m\u00e1y ch\u1ee7 gi\u00e1 r\u1ebb uy t\u00edn<\/strong><\/a> (Colocation) c\u1ee7a InterData t\u1ea1i c\u00e1c Data Center chu\u1ea9n Tier 3 s\u1ebd gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y. Ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng N+1 (t\u1eeb UPS, m\u00e1y ph\u00e1t \u0111i\u1ec7n), h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t ch\u00ednh x\u00e1c, v\u00e0 an ninh 24\/7. \u0110\u00e2y l\u00e0 c\u00e1ch gi\u00fap b\u1ea1n t\u1ed1i \u0111a h\u00f3a tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a server.<\/p><\/blockquote>\n<figure id=\"attachment_35177\" aria-describedby=\"caption-attachment-35177\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35177\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tiet-kiem-dien-nang.jpg\" alt=\"Ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tiet-kiem-dien-nang.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tiet-kiem-dien-nang-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tiet-kiem-dien-nang-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35177\" class=\"wp-caption-text\">Ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111i\u1ec7n n\u0103ng v\u00e0 b\u1ea3o tr\u00ec<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Dau-hieu-PSU-server-gap-van-de-va-cach-xu-ly\"><\/span>D\u1ea5u hi\u1ec7u PSU server g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u00e0 c\u00e1ch x\u1eed l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PSU l\u00e0 m\u1ed9t linh ki\u1ec7n c\u01a1 kh\u00ed (qu\u1ea1t) v\u00e0 \u0111i\u1ec7n t\u1eed, n\u00ean c\u0169ng c\u00f3 tu\u1ed5i th\u1ecd v\u00e0 c\u00f3 th\u1ec3 h\u1ecfng h\u00f3c. Nh\u1eadn bi\u1ebft s\u1edbm c\u00e1c d\u1ea5u hi\u1ec7u l\u1ed7i gi\u00fap b\u1ea1n x\u1eed l\u00fd k\u1ecbp th\u1eddi tr\u01b0\u1edbc khi x\u1ea3y ra s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac-dau-hieu-nhan-biet-PSU-loi\"><\/span>C\u00e1c d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft PSU l\u1ed7i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Server t\u1eaft \u0111\u1ed9t ng\u1ed9t (Shutdown):<\/strong> \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn v\u00e0 r\u00f5 r\u00e0ng nh\u1ea5t. Server \u0111ang ch\u1ea1y b\u1ed7ng d\u01b0ng t\u1eaft ph\u1ee5t, v\u00e0 th\u01b0\u1eddng kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i ngay.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh:<\/strong> Server th\u01b0\u1eddng xuy\u00ean b\u1ecb treo, t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i (random reboot) m\u00e0 kh\u00f4ng c\u00f3 l\u1ed7i ph\u1ea7n m\u1ec1m r\u00f5 r\u00e0ng.<\/li>\n<li><strong>Kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng (No POST):<\/strong> B\u1ea1n b\u1eadt n\u00fat ngu\u1ed3n server, \u0111\u00e8n tr\u00ean mainboard c\u00f3 th\u1ec3 s\u00e1ng, qu\u1ea1t c\u00f3 th\u1ec3 quay nh\u01b0ng kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u l\u00ean m\u00e0n h\u00ecnh v\u00e0 server kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Ti\u1ebfng \u1ed3n l\u1ea1:<\/strong> Qu\u1ea1t ngu\u1ed3n ph\u00e1t ra ti\u1ebfng \u1ed3n l\u1edbn, r\u00edt, ho\u1eb7c ti\u1ebfng &#8220;l\u1ea1ch c\u1ea1ch&#8221; b\u1ea5t th\u01b0\u1eddng. \u0110\u00f4i khi b\u1ea1n c\u00f3 th\u1ec3 nghe th\u1ea5y ti\u1ebfng r\u00edt (coil whine) c\u1ee7a linh ki\u1ec7n \u0111i\u1ec7n t\u1eed b\u00ean trong.<\/li>\n<li><strong>M\u00f9i kh\u00e9t:<\/strong> \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng. N\u1ebfu ng\u1eedi th\u1ea5y m\u00f9i nh\u1ef1a ch\u00e1y ho\u1eb7c m\u00f9i kh\u00e9t, h\u00e3y r\u00fat \u0111i\u1ec7n server ngay l\u1eadp t\u1ee9c \u0111\u1ec3 tr\u00e1nh ch\u00e1y n\u1ed5.<\/li>\n<\/ul>\n<figure id=\"attachment_35176\" aria-describedby=\"caption-attachment-35176\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35176\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/PSU-server-gap-van-de.jpg\" alt=\"PSU server g\u1eb7p v\u1ea5n \u0111\u1ec1\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/PSU-server-gap-van-de.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/PSU-server-gap-van-de-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/PSU-server-gap-van-de-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35176\" class=\"wp-caption-text\">PSU server g\u1eb7p v\u1ea5n \u0111\u1ec1<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Huong-xu-ly-co-ban\"><\/span>H\u01b0\u1edbng x\u1eed l\u00fd c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi nghi ng\u1edd PSU server g\u1eb7p v\u1ea5n \u0111\u1ec1, h\u00e3y b\u00ecnh t\u0129nh th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li><strong>Ki\u1ec3m tra k\u1ebft n\u1ed1i v\u1eadt l\u00fd:<\/strong> \u0110\u1ea3m b\u1ea3o d\u00e2y ngu\u1ed3n c\u1eafm v\u00e0o PSU v\u00e0 \u1ed5 c\u1eafm \u0111i\u1ec7n th\u1eadt ch\u1eafc ch\u1eafn. Ki\u1ec3m tra xem c\u00e1c \u0111\u1ea7u c\u1eafm b\u00ean trong (24-pin, 8-pin CPU) c\u00f3 b\u1ecb l\u1ecfng kh\u00f4ng.<\/li>\n<li><strong>Ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i:<\/strong> Th\u1eed c\u1eafm server v\u00e0o m\u1ed9t \u1ed5 c\u1eafm \u0111i\u1ec7n kh\u00e1c. N\u1ebfu b\u1ea1n \u0111ang d\u00f9ng UPS (b\u1ed9 l\u01b0u \u0111i\u1ec7n), h\u00e3y th\u1eed c\u1eafm server tr\u1ef1c ti\u1ebfp v\u00e0o \u0111i\u1ec7n l\u01b0\u1edbi (\u0111\u1ec3 lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng UPS b\u1ecb l\u1ed7i).<\/li>\n<li><strong>\u0110\u1ed1i v\u1edbi PSU Redundant (D\u1ef1 ph\u00f2ng):<\/strong> \u0110\u00e2y l\u00e0 l\u00fac t\u00ednh n\u0103ng n\u00e0y ph\u00e1t huy gi\u00e1 tr\u1ecb. H\u1ea7u h\u1ebft c\u00e1c PSU d\u1ef1 ph\u00f2ng \u0111\u1ec1u c\u00f3 \u0111\u00e8n LED b\u00e1o l\u1ed7i (th\u01b0\u1eddng chuy\u1ec3n sang m\u00e0u \u0111\u1ecf ho\u1eb7c m\u00e0u cam). B\u1ea1n ch\u1ec9 c\u1ea7n x\u00e1c \u0111\u1ecbnh module b\u1ecb l\u1ed7i, m\u1edf l\u1eaby, r\u00fat module h\u1ecfng ra (hot-swap) v\u00e0 thay th\u1ebf b\u1eb1ng module m\u1edbi c\u00f9ng lo\u1ea1i. Server s\u1ebd kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/li>\n<li><strong>Li\u00ean h\u1ec7 chuy\u00ean gia:<\/strong> PSU l\u00e0 linh ki\u1ec7n ph\u1ee9c t\u1ea1p v\u00e0 nguy hi\u1ec3m (l\u01b0u \u0111i\u1ec7n \u00e1p cao ngay c\u1ea3 khi \u0111\u00e3 r\u00fat ph\u00edch c\u1eafm). N\u1ebfu kh\u00f4ng c\u00f3 chuy\u00ean m\u00f4n, \u0111\u1eebng c\u1ed1 g\u1eafng m\u1edf PSU ra s\u1eeda ch\u1eefa. H\u00e3y li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p (nh\u01b0 InterData) \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 t\u01b0 v\u1ea5n thay th\u1ebf PSU \u0111\u00fang chu\u1ea9n, \u0111\u00fang model.<\/li>\n<\/ol>\n<blockquote><p><strong>GI\u1ea2I PH\u00c1P THAY TH\u1ebe: TR\u1ea2I NGHI\u1ec6M D\u1ecaCH V\u1ee4 THU\u00ca M\u00c1Y CH\u1ee6 GI\u00c1 R\u1eba, \u1ed4N \u0110\u1ecaNH T\u1ea0I INTERDATA<\/strong><\/p>\n<p>B\u1ea1n c\u1ea3m th\u1ea5y m\u1ec7t m\u1ecfi v\u00ec ph\u1ea3i t\u1ef1 ch\u1ea9n \u0111o\u00e1n, x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng ph\u1ee9c t\u1ea1p nh\u01b0 PSU? Vi\u1ec7c t\u00ecm mua linh ki\u1ec7n thay th\u1ebf cho server, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c server \u0111\u1eddi c\u0169, c\u0169ng r\u1ea5t t\u1ed1n th\u1eddi gian v\u00e0 chi ph\u00ed.<\/p>\n<p>H\u00e3y c\u00e2n nh\u1eafc chuy\u1ec3n sang d\u1ecbch v\u1ee5 <a href=\"https:\/\/interdata.vn\/vietnam-dedicated-server\/\"><strong>thu\u00ea m\u00e1y ch\u1ee7 gi\u00e1 r\u1ebb<\/strong><\/a> (Dedicated Server) c\u1ee7a InterData. B\u1ea1n s\u1ebd t\u1eadn h\u01b0\u1edfng m\u1ed9t h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh tuy\u1ec7t \u0111\u1ed1i, ph\u1ea7n c\u1ee9ng \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 thay th\u1ebf ngay l\u1eadp t\u1ee9c khi c\u00f3 l\u1ed7i. \u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a InterData s\u1ebd h\u1ed7 tr\u1ee3 24\/7, gi\u00fap b\u1ea1n t\u1eadp trung ho\u00e0n to\u00e0n v\u00e0o vi\u1ec7c kinh doanh.<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-thuong-hieu-PSU-server-uy-tin\"><\/span>M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u PSU server uy t\u00edn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1ecb tr\u01b0\u1eddng PSU server kh\u00e1 kh\u00e1c bi\u1ec7t so v\u1edbi PSU m\u00e1y t\u00ednh. Uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u g\u1eafn li\u1ec1n v\u1edbi \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cac-thuong-hieu-OEM-va-ben-thu-ba\"><\/span>C\u00e1c th\u01b0\u01a1ng hi\u1ec7u OEM v\u00e0 b\u00ean th\u1ee9 ba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>PSU theo m\u00e1y (OEM):<\/strong> Khi b\u1ea1n mua server \u0111\u1ed3ng b\u1ed9 t\u1eeb c\u00e1c &#8220;\u00f4ng l\u1edbn&#8221; nh\u01b0 <strong>Dell (PowerEdge)<\/strong>, <strong>HP (ProLiant)<\/strong>, hay <strong>Lenovo (ThinkSystem)<\/strong>, PSU \u0111i k\u00e8m th\u01b0\u1eddng do ch\u00ednh h\u1ecd thi\u1ebft k\u1ebf (ho\u1eb7c \u0111\u1eb7t h\u00e0ng c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t OEM h\u00e0ng \u0111\u1ea7u nh\u01b0 Delta, Lite-On, FSP). C\u00e1c PSU n\u00e0y \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u ho\u00e0n h\u1ea3o cho h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd v\u1ec1 k\u00edch th\u01b0\u1edbc, lu\u1ed3ng gi\u00f3 v\u00e0 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd.<\/li>\n<li><strong>PSU t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t server:<\/strong> <strong>Supermicro<\/strong> c\u0169ng l\u00e0 m\u1ed9t t\u00ean tu\u1ed5i l\u1edbn, t\u1ef1 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p c\u00e1c b\u1ed9 ngu\u1ed3n ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t cao cho h\u1ec7 th\u1ed1ng server \u0111a d\u1ea1ng c\u1ee7a h\u1ecd.<\/li>\n<li><strong>PSU b\u00e1n l\u1ebb (Enterprise):<\/strong> M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i ti\u1ebfng trong m\u1ea3ng PC c\u0169ng c\u00f3 d\u00f2ng s\u1ea3n ph\u1ea9m cao c\u1ea5p d\u00e0nh cho server\/workstation, v\u00ed d\u1ee5 nh\u01b0 <strong>Corsair<\/strong> (d\u00f2ng AX, HXi), <strong>Seasonic<\/strong> (d\u00f2ng Prime, TX), <strong>EVGA<\/strong> (d\u00f2ng SuperNOVA G+, P+). C\u00e1c d\u00f2ng n\u00e0y th\u01b0\u1eddng c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Uu-diem-cua-PSU-chinh-hang-vs-hang-troi-noi\"><\/span>\u01afu \u0111i\u1ec3m c\u1ee7a PSU ch\u00ednh h\u00e3ng vs h\u00e0ng tr\u00f4i n\u1ed5i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1eb1ng c\u00e1ch mua PSU kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c, h\u00e0ng &#8220;tr\u00f4i n\u1ed5i&#8221; ho\u1eb7c h\u00e0ng \u0111\u00e3 qua s\u1eeda ch\u1eefa kh\u00f4ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cho server.<\/p>\n<p>PSU ch\u00ednh h\u00e3ng \u0111\u1ea3m b\u1ea3o linh ki\u1ec7n \u0111\u00fang ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 c\u00f3 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng. S\u1eed d\u1ee5ng h\u00e0ng tr\u00f4i n\u1ed5i l\u00e0 m\u1ed9t canh b\u1ea1c r\u1ee7i ro, \u0111\u00e1nh c\u01b0\u1ee3c v\u1edbi to\u00e0n b\u1ed9 d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 c\u1ee7a doanh nghi\u1ec7p b\u1ea1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-cau-hoi-thuong-gap-FAQs\"><\/span>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn m\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng th\u1eafc m\u1eafc v\u1ec1 PSU server:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nguon-server-PSU-co-the-dung-cho-may-tinh-thuong-khong\"><\/span>Ngu\u1ed3n server (PSU) c\u00f3 th\u1ec3 d\u00f9ng cho m\u00e1y t\u00ednh th\u01b0\u1eddng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1ec1 l\u00fd thuy\u1ebft l\u00e0 c\u00f3 th\u1ec3, n\u1ebfu PSU \u0111\u00f3 c\u00f3 c\u00f9ng chu\u1ea9n k\u00edch th\u01b0\u1edbc ATX v\u00e0 \u0111\u1ee7 ch\u00e2n c\u1eafm cho mainboard m\u00e1y t\u00ednh. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng kh\u00f4ng t\u1ed1i \u01b0u. PSU server (\u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00f2ng 1U\/2U) th\u01b0\u1eddng c\u00f3 qu\u1ea1t r\u1ea5t nh\u1ecf v\u00e0 quay \u1edf t\u1ed1c \u0111\u1ed9 c\u1ef1c cao (h\u00e0ng ch\u1ee5c ng\u00e0n RPM) \u0111\u1ec3 gi\u1ea3i nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y g\u00e2y ra ti\u1ebfng \u1ed3n r\u1ea5t l\u1edbn, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u0103n ph\u00f2ng hay gia \u0111\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chuan-80-Plus-Platinum-co-that-su-can-thiet\"><\/span>Chu\u1ea9n 80 Plus Platinum c\u00f3 th\u1eadt s\u1ef1 c\u1ea7n thi\u1ebft?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o quy m\u00f4 c\u1ee7a b\u1ea1n.<\/p>\n<ul>\n<li>N\u1ebfu b\u1ea1n v\u1eadn h\u00e0nh m\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u (data center) v\u1edbi h\u00e0ng tr\u0103m, h\u00e0ng ng\u00e0n server, th\u00ec vi\u1ec7c n\u00e2ng c\u1ea5p t\u1eeb Gold l\u00ean Platinum l\u00e0 b\u1eaft bu\u1ed9c. Ch\u00eanh l\u1ec7ch v\u00e0i % hi\u1ec7u su\u1ea5t s\u1ebd gi\u00fap ti\u1ebft ki\u1ec7m h\u00e0ng t\u1ef7 \u0111\u1ed3ng ti\u1ec1n \u0111i\u1ec7n m\u1ed7i n\u0103m.<\/li>\n<li>\u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p nh\u1ecf ch\u1ec9 ch\u1ea1y 1-2 server, 80 Plus Gold l\u00e0 m\u1ee9c hi\u1ec7u su\u1ea5t r\u1ea5t t\u1ed1t v\u00e0 \u0111\u00e3 c\u00e2n b\u1eb1ng ho\u00e0n h\u1ea3o gi\u1eefa chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m \u0111i\u1ec7n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"PSU-Redundant-du-phong-hoat-dong-nhu-the-nao\"><\/span>PSU Redundant (d\u1ef1 ph\u00f2ng) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>R\u1ea5t \u0111\u01a1n gi\u1ea3n. H\u1ec7 th\u1ed1ng c\u00f3 hai (ho\u1eb7c nhi\u1ec1u) module ngu\u1ed3n c\u1eafm song song.<\/p>\n<ul>\n<li>\u1ede ch\u1ebf \u0111\u1ed9 <i>Active-Passive<\/i> (N+1): M\u1ed9t ngu\u1ed3n ch\u1ea1y ch\u00ednh, ngu\u1ed3n kia \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd. Khi ngu\u1ed3n ch\u00ednh l\u1ed7i, ngu\u1ed3n ch\u1edd l\u1eadp t\u1ee9c ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li>\u1ede ch\u1ebf \u0111\u1ed9 <i>Active-Active<\/i> (Chia t\u1ea3i): C\u1ea3 hai ngu\u1ed3n c\u00f9ng ch\u1ea1y v\u00e0 chia s\u1ebb t\u1ea3i (v\u00ed d\u1ee5, m\u1ed7i ngu\u1ed3n ch\u1ea1y 50% t\u1ea3i). Khi m\u1ed9t ngu\u1ed3n l\u1ed7i, ngu\u1ed3n c\u00f2n l\u1ea1i s\u1ebd g\u00e1nh 100% t\u1ea3i. Ch\u1ebf \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean v\u00ec gi\u00fap c\u1ea3 hai PSU ch\u1ea1y m\u00e1t h\u01a1n v\u00e0 b\u1ec1n h\u01a1n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Toi-co-the-tu-thay-PSU-server-tai-nha-khong\"><\/span>T\u00f4i c\u00f3 th\u1ec3 t\u1ef1 thay PSU server t\u1ea1i nh\u00e0 kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110i\u1ec1u n\u00e0y t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i PSU.<\/p>\n<ul>\n<li><strong>N\u1ebfu l\u00e0 PSU Redundant (Hot-swap):<\/strong> R\u1ea5t d\u1ec5 d\u00e0ng. B\u1ea1n kh\u00f4ng c\u1ea7n t\u1eaft server. Ch\u1ec9 c\u1ea7n x\u00e1c \u0111\u1ecbnh module l\u1ed7i (qua \u0111\u00e8n b\u00e1o), m\u1edf l\u1eaby, r\u00fat module h\u1ecfng ra v\u00e0 c\u1eafm module m\u1edbi v\u00e0o.<\/li>\n<li><strong>N\u1ebfu l\u00e0 PSU Single (Non-hot-swap):<\/strong> B\u1ea1n c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt. B\u1ea1n ph\u1ea3i t\u1eaft server, r\u00fat \u0111i\u1ec7n, m\u1edf v\u1ecf case, th\u00e1o t\u1ea5t c\u1ea3 d\u00e2y c\u1eafm v\u00e0 thay th\u1ebf. H\u00e3y ch\u1eafc ch\u1eafn b\u1ea1n mua PSU m\u1edbi <i>ch\u00ednh x\u00e1c<\/i> c\u00f9ng model v\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i. N\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y li\u00ean h\u1ec7 k\u1ef9 thu\u1eadt vi\u00ean.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Cong-suat-PSU-bao-nhieu-la-du-cho-server-cua-toi\"><\/span>C\u00f4ng su\u1ea5t PSU bao nhi\u00eau l\u00e0 \u0111\u1ee7 cho server c\u1ee7a t\u00f4i?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng c\u00f3 m\u1ed9t con s\u1ed1 chung. C\u00f4ng su\u1ea5t ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u1ea5u h\u00ecnh: lo\u1ea1i CPU (hay d\u00f9ng 2 CPU), s\u1ed1 l\u01b0\u1ee3ng thanh RAM, s\u1ed1 l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 card \u0111\u1ed3 h\u1ecda (GPU) n\u1ebfu c\u00f3. C\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 li\u1ec7t k\u00ea to\u00e0n b\u1ed9 linh ki\u1ec7n v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n online c\u1ee7a c\u00e1c h\u00e3ng, sau \u0111\u00f3 c\u1ed9ng th\u00eam 20-30% d\u1ef1 ph\u00f2ng.<\/p>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n t\u01b0 v\u1ea5n, h\u00e3y li\u00ean h\u1ec7 InterData. Ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng c\u1ea5u h\u00ecnh v\u00e0 ch\u1ecdn c\u00f4ng su\u1ea5t PSU ph\u00f9 h\u1ee3p nh\u1ea5t cho nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111ang t\u1ef1 h\u1ecfi Ngu\u1ed3n server (PSU) l\u00e0 g\u00ec?\u00a0v\u00e0 t\u1ea1i sao th\u00e0nh ph\u1ea7n n\u00e0y l\u1ea1i l\u00e0 tr\u00e1i tim c\u1ee7a m\u1ecdi h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7? PSU kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n cung c\u1ea5p \u0111i\u1ec7n. Th\u00e0nh ph\u1ea7n n\u00e0y c\u00f2n \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n cho to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a doanh nghi\u1ec7p. Trong b\u00e0i vi\u1ebft<\/p>\n","protected":false},"author":2,"featured_media":35174,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-35162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=35162"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35162\/revisions"}],"predecessor-version":[{"id":35180,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35162\/revisions\/35180"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/35174"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=35162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=35162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=35162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}