{"id":3938,"date":"2025-09-16T11:12:00","date_gmt":"2025-09-16T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-nic-network-interface-card\/"},"modified":"2026-06-22T07:09:26","modified_gmt":"2026-06-22T07:09:26","slug":"what-is-nic-network-interface-card","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-nic-network-interface-card","title":{"rendered":"Card Giao Ti\u1ebfp M\u1ea1ng (NIC) L\u00e0 G\u00ec? \u0110\u1ecbnh Ngh\u0129a, Ch\u1ee9c N\u0103ng v\u00e0 C\u00e1c Lo\u1ea1i"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/13134f15ca374e51b46f528160d01a3e.webp\" alt=\" What Is a Network Interface Card (NIC)?\" class=\"wp-image-3934\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/13134f15ca374e51b46f528160d01a3e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/13134f15ca374e51b46f528160d01a3e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/13134f15ca374e51b46f528160d01a3e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/13134f15ca374e51b46f528160d01a3e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/13134f15ca374e51b46f528160d01a3e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 Card Giao Ti\u1ebfp M\u1ea1ng (NIC) L\u00e0 G\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Card Giao Ti\u1ebfp M\u1ea1ng (NIC)<\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng cho ph\u00e9p m\u1ed9t m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb m\u1ea1ng k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 c\u1ea7u n\u1ed1i gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 m\u00f4i tr\u01b0\u1eddng truy\u1ec1n th\u00f4ng, cho ph\u00e9p d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i v\u00e0 nh\u1eadn v\u1ec1 qua <strong>m\u1ea1ng Ethernet, Wi-Fi ho\u1eb7c s\u1ee3i quang<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c NIC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n tr\u00ean bo m\u1ea1ch ch\u1ee7 ho\u1eb7c \u0111\u01b0\u1ee3c c\u1eafm th\u00eam d\u01b0\u1edbi d\u1ea1ng card m\u1edf r\u1ed9ng ri\u00eang bi\u1ec7t, v\u00e0 ch\u00fang \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 cao c\u1ea3 trong h\u1ec7 th\u1ed1ng ti\u00eau d\u00f9ng l\u1eabn doanh nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 Ch\u1ee9c N\u0103ng C\u1ee7a NIC<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t NIC kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t c\u1ed5ng \u0111\u1ec3 c\u1eafm c\u00e1p. C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Truy\u1ec1n &amp; Nh\u1eadn D\u1eef Li\u1ec7u:<\/strong> Chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n ho\u1eb7c quang \u0111\u1ec3 truy\u1ec1n th\u00f4ng.<\/p><\/li><li><p><strong>\u0110\u1ecbnh \u0110\u1ecba:<\/strong> Cung c\u1ea5p \u0111\u1ecba ch\u1ec9 MAC (Media Access Control) duy nh\u1ea5t nh\u1eb1m nh\u1eadn di\u1ec7n thi\u1ebft b\u1ecb.<\/p><\/li><li><p><strong>Ph\u00e1t hi\u1ec7n l\u1ed7i:<\/strong> S\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady.<\/p><\/li><li><p><strong>\u0110\u1ec7m D\u1eef Li\u1ec7u (Buffering):<\/strong> L\u01b0u t\u1ea1m th\u1eddi c\u00e1c g\u00f3i d\u1eef li\u1ec7u nh\u1eb1m qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng ch\u1ee9c n\u0103ng n\u00e0y khi\u1ebfn NIC tr\u1edf n\u00ean thi\u1ebft y\u1ebfu cho m\u1ecdi ho\u1ea1t \u0111\u1ed9ng \u2014 t\u1eeb l\u01b0\u1edbt web tr\u00ean laptop \u0111\u1ebfn h\u1ed7 tr\u1ee3 c\u00e1c thao t\u00e1c x\u1eed l\u00fd d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn tr\u00ean m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239ff2d903b64ea6be2b2fe3fde03809.webp\" alt=\"What Is a Network Interface Card (NIC)?\" class=\"wp-image-3935\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239ff2d903b64ea6be2b2fe3fde03809.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239ff2d903b64ea6be2b2fe3fde03809-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239ff2d903b64ea6be2b2fe3fde03809-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239ff2d903b64ea6be2b2fe3fde03809-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239ff2d903b64ea6be2b2fe3fde03809-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 C\u00e1c Lo\u1ea1i NIC<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NIC t\u1ed3n t\u1ea1i d\u01b0\u1edbi nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, t\u00f9y thu\u1ed9c v\u00e0o giao di\u1ec7n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>NIC C\u00f3 D\u00e2y (Th\u1ebb Ethernet):<\/strong> Lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb th\u00f4ng qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\"><strong>B\u1ed9 n\u1ed1i RJ45<\/strong><\/a> c\u00e1p Ethernet \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1c \u0111\u1ed9 cao.<\/p><\/li><li><p><strong>NIC Kh\u00f4ng D\u00e2y (Th\u1ebb Wi-Fi):<\/strong> Cho ph\u00e9p thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean laptop v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p><\/li><li><p><strong>NIC S\u1ee3i Quang:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c m\u00f4i tr\u01b0\u1eddng b\u0103ng th\u00f4ng cao nh\u01b0 trung t\u00e2m d\u1eef li\u1ec7u, s\u1eed d\u1ee5ng <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\"><strong>SFP<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>SFP+<\/strong><\/a><strong>, or <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>B\u1ed9 thu ph\u00e1t QSFP<\/strong><\/a>.<\/p><\/li><li><p><strong>NIC D\u00e0nh Cho M\u00e1y Ch\u1ee7:<\/strong> C\u00e1c NIC PCIe hi\u1ec7u n\u0103ng cao h\u1ed7 tr\u1ee3 <strong>Ethernet 10G, 25G ho\u1eb7c th\u1eadm ch\u00ed 100G<\/strong>, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a d\u00e0nh ri\u00eang cho m\u00e1y ch\u1ee7 doanh nghi\u1ec7p v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 NIC Trong M\u1ea1ng Hi\u1ec7n \u0110\u1ea1i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng CNTT hi\u1ec7n nay, NIC kh\u00f4ng c\u00f2n l\u00e0 l\u1ef1a ch\u1ecdn t\u00f9y ch\u1ecdn \u2014 m\u00e0 l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu. T\u1eeb m\u00e1y t\u00ednh c\u00e1 nh\u00e2n v\u00e0 thi\u1ebft b\u1ecb IoT \u0111\u1ebfn <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch doanh nghi\u1ec7p, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-router-key-functions-types\/\"><strong>servers<\/strong><\/a><strong>, thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 m\u00e1y ch\u1ee7 \u0111\u00e1m m\u00e2y<\/strong>, NIC \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng giao ti\u1ebfp li\u1ec1n m\u1ea1ch.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>V\u00ed d\u1ee5, <strong>c\u00e1c NIC d\u00e0nh cho m\u00e1y ch\u1ee7<\/strong> v\u1edbi b\u0103ng th\u00f4ng 25G tr\u1edf l\u00ean l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn trong l\u0129nh v\u1ef1c d\u1ecbch v\u1ee5 t\u00e0i ch\u00ednh, \u0111i\u1ec7n to\u00e1n AI v\u00e0 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 C\u00e1ch S\u1ea3n Ph\u1ea9m LINK-PP H\u1ed7 Tr\u1ee3 \u1ee8ng D\u1ee5ng NIC<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/20cec8a8cffd4adcaed96093d50708e7.jpg\" alt=\"LINK-PP\" class=\"wp-image-3936\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/20cec8a8cffd4adcaed96093d50708e7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/20cec8a8cffd4adcaed96093d50708e7-300x178.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/20cec8a8cffd4adcaed96093d50708e7-1024x608.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/20cec8a8cffd4adcaed96093d50708e7-768x456.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/20cec8a8cffd4adcaed96093d50708e7-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ea3n ph\u1ea9m LINK-PP l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng d\u1ef1a tr\u00ean NIC. \u0110\u1ed1i v\u1edbi NIC c\u00f3 d\u00e2y, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\"><strong>\u0111\u1ea7u n\u1ed1i RJ45 MagJack c\u1ee7a LINK-PP<\/strong><\/a> cung c\u1ea5p k\u1ebft n\u1ed1i Ethernet \u1ed5n \u0111\u1ecbnh v\u1edbi \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u cao. Trong c\u00e1c \u1ee9ng d\u1ee5ng trung t\u00e2m d\u1eef li\u1ec7u, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 ph\u00e1t thu quang SFP v\u00e0 SFP28 c\u1ee7a LINK-PP<\/strong><\/a> t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi NIC s\u1ee3i quang, mang l\u1ea1i hi\u1ec7u n\u0103ng m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p NIC h\u00e0ng \u0111\u1ea7u, LINK-PP \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 k\u1ef9 s\u01b0 m\u1ea1ng c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn <strong>c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft n\u1ed1i chi ph\u00ed hi\u1ec7u qu\u1ea3, ch\u1ea5t l\u01b0\u1ee3ng cao<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 K\u1ebft Lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Card Giao Ti\u1ebfp M\u1ea1ng (NIC)<\/strong> NIC l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb giao ti\u1ebfp m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3. Vi\u1ec7c hi\u1ec3u r\u00f5 \u0111\u1ecbnh ngh\u0129a, ch\u1ee9c n\u0103ng v\u00e0 c\u00e1c lo\u1ea1i NIC gi\u00fap ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi l\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00e1 nh\u00e2n, doanh nghi\u1ec7p ho\u1eb7c c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u00e0 k\u1ef9 s\u01b0 \u0111ang t\u00ecm ki\u1ebfm c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng th\u00edch v\u1edbi NIC \u0111\u00e1ng tin c\u1eady, <a target=\"\" rel=\"\" href=\"https:\/\/www.l-p.com\"><strong>LINK-PP<\/strong><\/a> LINK-PP cung c\u1ea5p m\u1ed9t lo\u1ea1t s\u1ea3n ph\u1ea9m to\u00e0n di\u1ec7n g\u1ed3m <strong>module \u0111\u1ea7u n\u1ed1i RJ45 MagJack v\u00e0 b\u1ed9 ph\u00e1t thu quang<\/strong> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. <\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u th\u1ebb giao di\u1ec7n m\u1ea1ng (NIC) l\u00e0 g\u00ec, ch\u1ee9c n\u0103ng v\u00e0 c\u00e1c lo\u1ea1i c\u1ee7a n\u00f3. Kh\u00e1m ph\u00e1 c\u00e1ch NIC t\u1ea1o \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i tr\u00ean m\u00e1y t\u00ednh, m\u00e1y ch\u1ee7 v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng.<\/p>","protected":false},"author":1,"featured_media":3937,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[22,26],"class_list":["post-3938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-integrated-rj45-connectors","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=3938"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3938\/revisions"}],"predecessor-version":[{"id":11121,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3938\/revisions\/11121"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3937"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}