{"id":9905,"date":"2021-07-15T01:47:43","date_gmt":"2021-07-15T01:47:43","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=9905"},"modified":"2021-07-15T01:47:43","modified_gmt":"2021-07-15T01:47:43","slug":"so-sanh-cac-chuan-o-cung-ssd-sata-sas-va-pcie","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/so-sanh-cac-chuan-o-cung-ssd-sata-sas-va-pcie-p9905\/","title":{"rendered":"So s\u00e1nh c\u00e1c chu\u1ea9n \u1ed5 c\u1ee9ng SSD: SATA, SAS v\u00e0 PCIe"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p>N\u1ebfu b\u1ea1n n\u1eb1m trong s\u1ed1 nhi\u1ec1u doanh nghi\u1ec7p d\u1ef1 \u0111\u1ecbnh s\u1eed d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn (SSD) d\u1ef1a tr\u00ean b\u1ed9 nh\u1edb flash, m\u1ed9t trong nh\u1eefng c\u00e2u h\u1ecfi ch\u1ee7 y\u1ebfu nh\u1ea5t m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t ra l\u00e0: Lo\u1ea1i <a class=\"iblink\" href=\"\/linh-kien-may-chu\/ssd\/\">\u1ed5 c\u1ee9ng SSD<\/a> n\u00e0o t\u1ed1t nh\u1ea5t \u0111\u1ec3 tri\u1ec3n khai l\u01b0u tr\u1eef flash?<\/p>\n<p>N\u1ebfu nghi\u00ean c\u1ee9u ch\u1ee7 \u0111\u1ec1 n\u00e0y v\u1edbi hy v\u1ecdng t\u00ecm ra c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn, hy v\u1ecdng c\u1ee7a b\u1ea1n s\u1ebd nhanh ch\u00f3ng b\u1ecb d\u1eadp t\u1eaft khi b\u1ea1n nh\u1eadn th\u1ea5y m\u00ecnh \u0111ang tr\u01b0\u1ee3t s\u00e2u h\u01a1n v\u00e0o m\u1edb h\u1ed7n \u0111\u1ed9n c\u1ee7a l\u01b0u tr\u1eef d\u1eef li\u1ec7u doanh nghi\u1ec7p.\u00a0Trong khi chu\u1ea9n giao ti\u1ebfp c\u1ee7a SSD kh\u00f4ng ch\u1ec9 c\u00f3 m\u1ed9t lo\u1ea1i, h\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi m\u1edbi t\u00ecm hi\u1ec3u th\u1ecb tr\u01b0\u1eddng n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 nghe \u0111\u1ebfn c\u00e1c chu\u1ea9n nh\u01b0 Serial Attached SCSI (SAS), Serial ATA (SATA) ho\u1eb7c PCI Express (PCIe).<\/p>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SATA v\u00e0 NVMe<\/h3>\n<p>\u1ed4 c\u1ee9ng Non-Volatile Memory Express (NVMe) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng cho SSD.\u00a0Chu\u1ea9n giao ti\u1ebfp NVMe l\u00e0 m\u1ed9t c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c \u1ed5 \u0111\u0129a c\u1ee9ng truy\u1ec1n th\u1ed1ng (HDD), nh\u01b0ng n\u00f3 c\u0169ng cho th\u1ea5y nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi giao ti\u1ebfp bus m\u00e1y t\u00ednh SATA.\u00a0V\u00ed d\u1ee5: PCIe 3.0 cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ed1i \u0111a kho\u1ea3ng 985 Mbps tr\u00ean m\u1ed7i l\u00e0n, v\u1edbi c\u00e1c \u1ed5 NVMe c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng b\u1ed1n l\u00e0n v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a l\u00e0 3,940 Mbps (3,9 Gbps).<\/p>\n<p>Ti\u1ec1m n\u0103ng v\u1ec1 t\u1ed1c \u0111\u1ed9 \u0111\u00f3 nghe c\u00f3 v\u1ebb th\u00fa v\u1ecb nh\u01b0ng n\u00f3 kh\u00f4ng tr\u00e1nh kh\u1ecfi \u0111i k\u00e8m v\u1edbi m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t.\u00a0Th\u1ee9 nh\u1ea5t, ngay c\u1ea3 khi gi\u1ea3m gi\u00e1, n\u00f3 ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o SSD hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u00f3 v\u1eabn l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u1eaft ti\u1ec1n so v\u1edbi SATA.\u00a0K\u1ebf \u0111\u1ebfn, c\u00f3 m\u1ed9t th\u1ef1c t\u1ebf l\u00e0 NVMe ch\u1ea1y tr\u00ean client PC y\u00eau c\u1ea7u thi\u1ebft b\u1ecb ph\u1ea3i \u1edf \u0111\u1ecbnh d\u1ea1ng M.2.\u00a0\u0110i\u1ec1u n\u00e0y s\u1ebd h\u1ea1n ch\u1ebf \u0111\u00e1ng k\u1ec3 vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed5 \u0111\u0129a c\u1ee7a b\u1ea1n.\u00a0\u0110\u1ed1i v\u1edbi nh\u1eefng b\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb k\u1ebf th\u1eeba, \u0111\u1eebng mong \u0111\u1ee3i qu\u00e1 nhi\u1ec1u v\u1ec1 vi\u1ec7c h\u1ed7 tr\u1ee3 cho c\u00e1c d\u00f2ng m\u00e1y c\u0169 h\u01a1n.\u00a0Cu\u1ed1i c\u00f9ng, thi\u1ebft b\u1ecb NVMe l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1n k\u00e9m nh\u1ea5t cho nh\u1eefng ng\u01b0\u1eddi mu\u1ed1n l\u01b0u tr\u1eef l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi ng\u01b0\u1eddi ta cho r\u1eb1ng \u1ed5 NVMe \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 xu h\u01b0\u1edbng m\u1ea5t d\u1eef li\u1ec7u qua th\u1eddi gian.<\/p>\n<h3>S\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed5 \u0111\u0129a th\u1ec3 r\u1eafn (SSD)<\/h3>\n<p>N\u0103m 1978, StorageTek STC 4305 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u l\u00e0 <a class=\"iblink\" href=\"\/storage\/\">thi\u1ebft b\u1ecb l\u01b0u tr\u1eef<\/a> b\u00e1n d\u1eabn \u0111\u1ea7u ti\u00ean t\u01b0\u01a1ng th\u00edch v\u1edbi giao di\u1ec7n \u1ed5 c\u1ee9ng.\u00a0STC 4305 \u0111\u01b0\u1ee3c cho l\u00e0 nhanh h\u01a1n b\u1ea3y l\u1ea7n v\u00e0 ch\u1ec9 b\u1eb1ng m\u1ed9t n\u1eeda gi\u00e1 c\u1ee7a \u1ed5 \u0111\u0129a c\u1ee9ng c\u1ed1 \u0111\u1ecbnh IBM 2305.\u00a0Sau \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang b\u1ed9 nh\u1edb truy c\u1eadp ng\u1eabu nhi\u00ean \u0111\u1ed9ng (DRAM).\u00a0V\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1980, Zitel \u0111\u00e3 gi\u1edbi thi\u1ec7u d\u00f2ng s\u1ea3n ph\u1ea9m SSD d\u1ef1a tr\u00ean DRAM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng UNIVAC v\u00e0 Perkin-Elmer.\u00a0N\u0103m 1989, Sanjay Mehrotra v\u00e0 Eli Harari, nh\u1eefng ng\u01b0\u1eddi s\u00e1ng l\u1eadp SanDisk, v\u00e0 ng\u01b0\u1eddi th\u1ee9 ba t\u00ean l\u00e0 Robert D. Norman \u0111\u00e3 n\u1ed9p b\u1eb1ng s\u00e1ng ch\u1ebf cho m\u1ed9t \u1ed5 SSD d\u1ef1a tr\u00ean flash sau khi nh\u1eadn ra ti\u1ec1m n\u0103ng to l\u1edbn c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb flash thay th\u1ebf cho \u1ed5 c\u1ee9ng.<\/p>\n<p>N\u0103m 1991, SanDisk xu\u1ea5t x\u01b0\u1edfng \u1ed5 SSD d\u1ef1a tr\u00ean flash (SSD 20 MB) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u01b0\u01a1ng m\u1ea1i \u0111\u1ea7u ti\u00ean trong c\u1ea5u h\u00ecnh c\u1ee7a Hi\u1ec7p h\u1ed9i th\u1ebb nh\u1edb m\u00e1y t\u00ednh c\u00e1 nh\u00e2n qu\u1ed1c t\u1ebf (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Personal_Computer_Memory_Card_International_Association\">PCMCIA<\/a>).\u00a0Trong nh\u1eefng ng\u00e0y \u0111\u00f3, c\u00e1c Th\u1ebb PC SSD d\u1ef1a tr\u00ean flash n\u00e0y \u0111\u01b0\u1ee3c b\u00e1n OEM v\u1edbi gi\u00e1 kho\u1ea3ng 1.000 \u0111\u00f4 la.\u00a0IBM \u0111\u00e3 s\u1eed d\u1ee5ng ch\u00fang trong c\u00e1c m\u00e1y t\u00ednh x\u00e1ch tay ThinkPad s\u00e1ng t\u1ea1o c\u1ee7a h\u1ecd, \u0111\u01b0\u1ee3c tung ra th\u1ecb tr\u01b0\u1eddng v\u00e0o n\u0103m 1992. K\u1ec3 t\u1eeb \u0111\u00f3, \u1ed5 SSD d\u1ef1a tr\u00ean flash \u0111\u00e3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u;\u00a0ch\u00fang ta \u0111\u00e3 chuy\u1ec3n t\u1eeb SSD d\u1ef1a tr\u00ean flash 20 MB sang SSD PCIe 4.0 8 TB 16 l\u00e0n v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc tu\u1ea7n t\u1ef1 15.000 Mbps v\u00e0 t\u1ed1c \u0111\u1ed9 ghi tu\u1ea7n t\u1ef1 15.200 MB\/s, nh\u01b0 \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1edfi nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i Gigabyte Technology c\u1ee7a \u0110\u00e0i Loan.<\/p>\n<p>M\u1eb7c d\u00f9 SSD d\u1ef1a tr\u00ean flash \u0111\u00e3 c\u00f3 m\u1eb7t tr\u00ean th\u1ecb tr\u01b0\u1eddng g\u1ea7n 30 n\u0103m, ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn v\u00e0 <a class=\"iblink\" href=\"\/blog\/tag\/ai\/\">tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/a> (AI) \u0111\u00e3 th\u00fac \u0111\u1ea9y c\u00f4ng ngh\u1ec7 flash tr\u1edf th\u00e0nh \u00e1nh \u0111\u00e8n pha s\u00e1ng s\u00e2n kh\u1ea5u.\u00a0Nhi\u1ec1u c\u00f4ng ty, t\u1ed5 ch\u1ee9c \u0111ang b\u1eaft \u0111\u1ea7u \u1ee9ng d\u1ee5ng SSD d\u1ef1a tr\u00ean flash \u0111\u1ec3 t\u1eadn d\u1ee5ng hi\u1ec7u su\u1ea5t cao c\u1ee7a n\u00f3, nh\u01b0ng nhi\u1ec1u t\u1ed5 ch\u1ee9c v\u1eabn ch\u01b0a l\u00e0m nh\u01b0 v\u1eady v\u00e0 t\u1ef1 h\u1ecfi SSD n\u00e0o t\u1ed1t nh\u1ea5t \u0111\u1ec3 k\u1ebft h\u1ee3p flash: PCIe, SAS hay SATA?<\/p>\n<h3>PCI Express (PCIe)<\/h3>\n<p><a class=\"iblink\" href=\"\/linh-kien-may-chu\/ssd\/\">\u1ed4 c\u1ee9ng SSD<\/a> \u0111\u1ea7u ti\u00ean trong danh s\u00e1ch c\u1ee7a ch\u00fang t\u00f4i l\u00e0 PCIe.\u00a0\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u1ed5 SSD \u0111\u00e1ng m\u01a1 \u01b0\u1edbc nh\u1ea5t trong danh s\u00e1ch n\u00e0y &#8211; ch\u01b0a n\u00f3i l\u00e0 \u0111\u1eaft nh\u1ea5t.\u00a0L\u00fd do cho \u0111i\u1ec1u n\u00e0y l\u00e0 do hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang.\u00a0H\u00e3y ngh\u0129 v\u1ec1 SSD PCIe nh\u01b0 m\u1ed9t li\u00ean k\u1ebft kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n h\u01a1n v\u1edbi bo m\u1ea1ch ch\u1ee7 (mainboard) b\u1eb1ng c\u00e1ch b\u1ecf qua b\u1ed9 \u0111i\u1ec1u khi\u1ec3n SAS ho\u1eb7c SATA v\u00e0 c\u1eafm tr\u1ef1c ti\u1ebfp v\u00e0o backplane.\u00a0\u0110i\u1ec1u n\u00e0y ngh\u0129a l\u00e0 SSD PCIe v\u1ec1 c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 xem l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a backplane, gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p>PCIe l\u00e0 giao di\u1ec7n bo m\u1ea1ch ch\u1ee7 ti\u00eau chu\u1ea9n cho c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 card \u0111\u1ed3 h\u1ecda, \u1ed5 \u0111\u0129a c\u1ee9ng (HDD), \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn (SSD), Wi-Fi v\u00e0 ph\u1ea7n c\u1ee9ng Ethernet,&#8230;\u00a0PCIe \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n bus m\u1edf r\u1ed9ng m\u00e1y t\u00ednh n\u1ed1i ti\u1ebfp t\u1ed1c \u0111\u1ed9 cao v\u00e0 cung c\u1ea5p nhi\u1ec1u c\u1ea3i ti\u1ebfn so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n bus c\u0169 h\u01a1n nh\u01b0 PCI, PCI-X v\u00e0 AGP.<\/p>\n<p>M\u1ed9t trong nh\u1eefng c\u1ea3i ti\u1ebfn l\u1edbn bao g\u1ed3m k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd nh\u1ecf h\u01a1n, th\u00f4ng l\u01b0\u1ee3ng bus t\u1ed1i \u0111a cao h\u01a1n, m\u1edf r\u1ed9ng hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n cho c\u00e1c thi\u1ebft b\u1ecb bus, s\u1ed1 l\u01b0\u1ee3ng ch\u00e2n I\/O th\u1ea5p h\u01a1n, ch\u1ee9c n\u0103ng hot-swap g\u1ed1c, c\u01a1 ch\u1ebf b\u00e1o c\u00e1o \u0111\u00e1ng tin c\u1eady h\u01a1n (B\u00e1o c\u00e1o l\u1ed7i n\u00e2ng cao, AER) v\u00e0 ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 h\u1ed7 tr\u1ee3 ph\u1ea7n c\u1ee9ng cho \u1ea3o h\u00f3a I\/O.\u00a0PCIe 3.0 h\u1ed7 tr\u1ee3 c\u00e1c l\u00e0n 1x, 4x, 8x, 16x v\u00e0 32x v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n hi\u1ec7u qu\u1ea3 l\u00e0 985 MB\/s tr\u00ean m\u1ed7i l\u00e0n.\u00a0\u0110\u00f3 l\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 15,76 GB \/ s.\u00a0V\u00e0o th\u00e1ng 5 n\u0103m 2019, ti\u00eau chu\u1ea9n PCIe 5.0 ch\u00ednh th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1, h\u1ee9a h\u1eb9n c\u00f3 th\u00f4ng l\u01b0\u1ee3ng 128 GBps.<\/p>\n<p>SSD SATA v\u00e0 SAS c\u0169ng k\u1ebft n\u1ed1i v\u1edbi PCIe backplane, nh\u01b0ng ch\u00fang k\u1ebft h\u1ee3p c\u00e1c form factor ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd v\u1edbi giao th\u1ee9c ph\u1ea7n m\u1ec1m, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u.\u00a0PCIe t\u1eadp trung v\u00e0o t\u00edn hi\u1ec7u \u0111i\u1ec7n, s\u1ea3n xu\u1ea5t \u1ed5 \u0111\u0129a flash SSD \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo \u0111\u00fang chu\u1ea9n PCIe.\u00a0H\u01a1n n\u1eefa, do t\u00ednh song song v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t, SSD d\u1ef1a tr\u00ean PCIe cung c\u1ea5p th\u00f4ng l\u01b0\u1ee3ng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi \u0111\u1ecbnh d\u1ea1ng NAND.\u00a0V\u00e0 nh\u1edd \u0110\u1ecbnh lu\u1eadt Moore, gi\u00e1 c\u1ee7a SSD d\u1ef1a tr\u00ean PCIe v\u00e0 SSD d\u1ef1a tr\u00ean SATA c\u00f3 c\u00f9ng dung l\u01b0\u1ee3ng t\u1eeb \u0111\u00f3 tr\u1edf n\u00ean ngang nhau.<\/p>\n<h3>Serial AT Attachment (SATA)<\/h3>\n<p>SATA l\u00e0 m\u1ed9t giao di\u1ec7n bus m\u00e1y t\u00ednh k\u1ebft n\u1ed1i b\u1ed9 \u0111i\u1ec1u h\u1ee3p bus ch\u1ee7 v\u1edbi c\u00e1c <a class=\"iblink\" href=\"\/storage\/\">thi\u1ebft b\u1ecb l\u01b0u tr\u1eef<\/a> th\u1ee9 c\u1ea5p nh\u01b0 \u1ed5 \u0111\u0129a c\u1ee9ng (HDD), \u1ed5 \u0111\u0129a quang (ODD) v\u00e0 \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn (SSD).\u00a0SATA \u0111\u00e3 thay th\u1ebf ti\u00eau chu\u1ea9n ATA song song (PATA) v\u00e0 tr\u1edf th\u00e0nh giao di\u1ec7n th\u1ed1ng tr\u1ecb cho c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef.\u00a0Thu\u1eadt ng\u1eef \u201cSATA\u201d c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb Serial ATA International Organization (m\u1ed9t\u00a0t\u1ed5 ch\u1ee9c\u00a0\u0111\u1ed9c l\u1eadp, phi l\u1ee3i nhu\u1eadn) ch\u1ecbu tr\u00e1ch nhi\u1ec7m cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u00e0 h\u1ed7 tr\u1ee3 cho ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e1y t\u00ednh trong vi\u1ec7c tri\u1ec3n khai c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a SATA.\u00a0C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n b\u1edfi \u1ee6y ban k\u1ef9 thu\u1eadt INCITS T13, \u0110\u00ednh k\u00e8m AT (INCITS T13).<\/p>\n<p>V\u00ec l\u00fd do n\u00eau tr\u00ean, h\u1ea7u h\u1ebft c\u00e1c \u1ed5 SSD \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t d\u1ef1a tr\u00ean \u0111\u1ecbnh d\u1ea1ng giao di\u1ec7n SATA.\u00a0SSD SATA III (\u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2009) l\u00e0 phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecdc d\u1eef li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 6 Gbps (600 Mbps).\u00a0Kh\u1ea3 n\u0103ng ghi c\u1ee7a SSD SATA III ch\u1ec9 ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng v\u1eabn nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi b\u1ea5t k\u1ef3 \u1ed5 c\u1ee9ng n\u00e0o tr\u00ean th\u1ecb tr\u01b0\u1eddng (kho\u1ea3ng 120 Mbps).\u00a0Do s\u1ef1 ph\u1ed5 bi\u1ebfn l\u00e2u \u0111\u1eddi c\u1ee7a ch\u00fang v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00f4ng ty s\u1ea3n xu\u1ea5t \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn SATA, ch\u00fang v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n<p>Tuy nhi\u00ean, khi gi\u00e1 b\u1ed9 nh\u1edb flash NAND ti\u1ebfp t\u1ee5c gi\u1ea3m v\u00e0 kho\u1ea3ng c\u00e1ch gi\u00e1 gi\u1eefa SSD d\u1ef1a tr\u00ean PCIe v\u00e0 SATA ti\u1ebfp t\u1ee5c thu h\u1eb9p, ch\u00fang ta c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ea5y s\u1ef1 thay \u0111\u1ed5i l\u1edbn \u0111\u1ed1i v\u1edbi SSD PCIe v\u00e0o n\u0103m 2020.<\/p>\n<h3><strong>Serial Attached SCSI<\/strong> (SAS)<\/h3>\n<p>C\u00e1c giao di\u1ec7n SAS v\u00e0 SATA kh\u00e1 gi\u1ed1ng nhau \u1edf ch\u1ed7 c\u1ea3 hai \u0111\u1ec1u th\u1ef1c hi\u1ec7n g\u1ea7n nh\u01b0 c\u00f9ng m\u1ed9t c\u00f4ng vi\u1ec7c.\u00a0Tuy nhi\u00ean, v\u00ec m\u1ed7i c\u00e1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi ph\u1ea7n c\u1ee9ng kh\u00e1c nhau n\u00ean c\u1ea3 hai \u0111\u1ec1u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c kh\u00e1c nhau.\u00a0V\u00ed d\u1ee5, SATA \u00edt t\u1ed1n k\u00e9m h\u01a1n nh\u01b0ng ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 l\u01b0u tr\u1eef t\u1ec7p tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n.\u00a0M\u1eb7t kh\u00e1c, SSD d\u1ef1a tr\u00ean SAS \u0111\u1eaft h\u01a1n nh\u01b0ng ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y tr\u1ea1m ho\u1eb7c m\u00e1y ch\u1ee7 x\u1eed l\u00fd n\u1eb7ng n\u1ec1 h\u01a1n.\u00a0\u1ed4 c\u1ee9ng SSD SAS III cung c\u1ea5p t\u1ed1c \u0111\u1ed9 l\u00ean t\u1edbi 12 Gbps, nhanh h\u01a1n g\u1ea5p \u0111\u00f4i so v\u1edbi \u1ed5 \u0111\u0129a flash SSD d\u1ef1a tr\u00ean SATA.\u00a0H\u01a1n n\u1eefa, SSD d\u1ef1a tr\u00ean SAS c\u00f3 t\u00ednh n\u0103ng ghi t\u1eeb m\u1ed9t \u0111\u1ebfn ba \u1ed5 m\u1ed7i ng\u00e0y (DWPD) v\u1edbi dung l\u01b0\u1ee3ng t\u1eeb 800 GB \u0111\u1ebfn 6,4 TB v\u00e0 dung l\u01b0\u1ee3ng t\u1eeb 960 GB \u0111\u1ebfn 15,36 TB.<\/p>\n<p>SAS SSD h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u00ec ch\u00fang h\u1ed7 tr\u1ee3 nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn d\u1eef li\u1ec7u, kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng \u0111\u01b0\u1eddng d\u1eabn d\u1eef li\u1ec7u v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng cao.\u00a0Ngo\u00e0i ra, SSD SAS r\u1ea5t th\u00edch h\u1ee3p n\u1eb1m trong c\u00e1c m\u1ea3ng l\u01b0u tr\u1eef d\u1ef1a tr\u00ean b\u1ed9 \u0111i\u1ec1u khi\u1ec3n k\u00e9p, l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho h\u1ea7u h\u1ebft c\u00e1c <a class=\"iblink\" href=\"\/solution\/enterprise-storage\/\">gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef<\/a> \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay.<\/p>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c v\u1ec1 \u1ed5 SAS so v\u1edbi \u1ed5 SATA l\u00e0 ch\u00fang t\u1ea1o ra \u00edt overhead cho ph\u1ea7n c\u1ee9ng h\u01a1n (thu\u1eadt ng\u1eef &#8220;overhead&#8221; \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ea5t k\u1ef3 s\u1ef1 k\u1ebft h\u1ee3p n\u00e0o v\u1ec1 th\u1eddi gian x\u1eed l\u00fd, b\u1ed9 nh\u1edb, b\u0103ng th\u00f4ng ho\u1eb7c c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c m\u1ed9t c\u00e1ch qu\u00e1 m\u1ee9c, \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3).\u00a0\u0110i\u1ec1u n\u00e0y tr\u1edf n\u00ean quan tr\u1ecdng khi s\u1ed1 l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng I\/O m\u1ed7i gi\u00e2y (IOPS) v\u00e0 \u0111\u1ed9 tr\u1ec5 trao \u0111\u1ed5i d\u1eef li\u1ec7u l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1.\u00a0So v\u1edbi SSD d\u1ef1a tr\u00ean SATA, SSD d\u1ef1a tr\u00ean SAS mang l\u1ea1i t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u t\u1ed5ng th\u1ec3 t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i cao h\u01a1n v\u00e0 c\u00f3 c\u1ea5u tr\u00fac c\u00f3 th\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh t\u1ed1t h\u01a1n.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, n\u1ebfu m\u1ed9t m\u1ea3ng l\u01b0u tr\u1eef ho\u1eb7c m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 giao di\u1ec7n SAS, c\u00f3 th\u1ec3 c\u1eafm SAS ho\u1eb7c SSD d\u1ef1a tr\u00ean SATA v\u00e0o \u0111\u00f3 v\u00e0 c\u1ea3 hai \u0111\u1ec1u s\u1ebd ho\u1ea1t \u0111\u1ed9ng.\u00a0Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u00fang v\u1edbi c\u00e1c m\u1ea3ng ho\u1eb7c m\u00e1y ch\u1ee7 ch\u1ec9 c\u00f3 SATA backplane;\u00a0ch\u1ec9 SSD SATA m\u1edbi ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23349\">Ch\u1ea1y \u1ea3o h\u00f3a 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N&#7871;u nghi&ecirc;n&#8230;<\/p>\n","protected":false},"author":2,"featured_media":9910,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[33,32],"class_list":["post-9905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tong-hop","tag-ssd","tag-storage"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>So s\u00e1nh c\u00e1c chu\u1ea9n \u1ed5 c\u1ee9ng SSD: SATA, SAS v\u00e0 PCIe - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/so-sanh-cac-chuan-o-cung-ssd-sata-sas-va-pcie-p9905\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"So s\u00e1nh c\u00e1c chu\u1ea9n \u1ed5 c\u1ee9ng SSD: SATA, SAS v\u00e0 PCIe - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"N&#7871;u b&#7841;n n&#7857;m trong s&#7889; nhi&#7873;u doanh nghi&#7879;p d&#7921; &#273;&#7883;nh s&#7917; d&#7909;ng s&#7913;c m&#7841;nh c&#7911;a &#7893; c&#7913;ng th&#7875; r&#7855;n (SSD) d&#7921;a tr&ecirc;n b&#7897; nh&#7899; flash, m&#7897;t trong nh&#7919;ng c&acirc;u h&#7887;i ch&#7911; y&#7871;u nh&#7845;t m&agrave; b&#7841;n c&oacute; th&#7875; &#273;&#7863;t ra l&agrave;: Lo&#7841;i &#7893; c&#7913;ng SSD n&agrave;o t&#7889;t nh&#7845;t &#273;&#7875; tri&#7875;n khai l&#432;u tr&#7919; flash? 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