{"id":2198,"date":"2019-08-10T02:42:18","date_gmt":"2019-08-10T02:42:18","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=2198"},"modified":"2019-08-10T02:43:29","modified_gmt":"2019-08-10T02:43:29","slug":"o-ssd-tiep-theo-cua-ban-co-the-se-cham-hon-nho-vao-qlc-flash","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/product\/o-ssd-tiep-theo-cua-ban-co-the-se-cham-hon-nho-vao-qlc-flash-p2198\/","title":{"rendered":"\u1ed4 SSD ti\u1ebfp theo c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd ch\u1eadm h\u01a1n (&#8230;nh\u1edd v\u00e0o QLC Flash!)"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p><span class=\"\">M\u1edbi h\u01a1n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng t\u1ed1t h\u01a1n.\u00a0<\/span>G\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t SSD \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u00e1nh \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady v\u00ec l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c nh\u1ed3i nh\u00e9t th\u00eam kh\u00f4ng gian l\u01b0u tr\u1eef v\u00e0o \u1ed5 \u0111\u0129a c\u1ee7a h\u1ecd.\u00a0C\u00e1c giao th\u1ee9c nh\u01b0\u00a0NVMe\u00a0v\u00e0\u00a0PCIe\u00a0\u0111ang ng\u00e0y c\u00e0ng nhanh h\u01a1n, nh\u01b0ng m\u1ed9t s\u1ed1 \u1ed5 SSD \u0111ang b\u1ecb l\u1ea1c h\u1eadu.<\/p>\n<h2>QLC Flash l\u00e0 v\u1ea5n \u0111\u1ec1<\/h2>\n<p>\u0110\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1.\u00a0Vi\u1ec7c t\u1ea1o ra SSD r\u1ea5t t\u1ed1n k\u00e9m v\u00e0 \u00edt ng\u01b0\u1eddi mu\u1ed1n tr\u1ea3 200 \u0111\u00f4 la cho \u1ed5 SSD 512 GB khi b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c \u1ed5 c\u1ee9ng c\u01a1 h\u1ecdc 2000 2000 GB v\u1edbi gi\u00e1 d\u01b0\u1edbi 50 \u0111\u00f4 la.\u00a0N\u0103ng l\u1ef1c b\u00e1n l\u1edbn h\u01a1n.<\/p>\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t SSD \u0111ang t\u0103ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef trong khi v\u1eabn gi\u1ea3m chi ph\u00ed nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng t\u1ed1t cho hi\u1ec7u n\u0103ng v\u00e0 \u0111\u1ed9 b\u1ec1n.\u00a0SSD l\u1edbn c\u00f3 th\u1ec3 ng\u00e0y c\u00e0ng r\u1ebb h\u01a1n, nh\u01b0ng c\u00f3 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i cho m\u1ed7i b\u01b0\u1edbc nh\u1ea3y v\u1ecdt trong c\u00f4ng ngh\u1ec7 SSD.\u00a0Ch\u00fang t\u00f4i hi\u1ec7n \u0111ang ch\u1ee9ng ki\u1ebfn \u200b\u200bs\u1ef1 gia t\u0103ng c\u1ee7a SSD Quad Level Cell (QLC), c\u00f3 th\u1ec3 l\u01b0u tr\u1eef 4 bit th\u00f4ng tin tr\u00ean m\u1ed7i \u00f4 nh\u1edb.\u00a0QLC \u0111\u00e3 kh\u00f4ng thay th\u1ebf ho\u00e0n to\u00e0n SSD ti\u00eau chu\u1ea9n, nh\u01b0ng m\u1ed9t v\u00e0i \u1ed5 \u0111\u0129a s\u1eed d\u1ee5ng n\u00f3 \u0111\u00e3 xu\u1ea5t hi\u1ec7n tr\u00ean th\u1ecb tr\u01b0\u1eddng v\u00e0 h\u1ecd \u0111\u00e3 g\u1eb7p v\u1ea5n \u0111\u1ec1.<\/p>\n<p>C\u1ee5 th\u1ec3, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t SSD ph\u1ea3i t\u00ecm c\u00e1ch ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u kh\u00f4ng gian h\u01a1n cho c\u00e1c chip flash NAND c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc (ph\u1ea7n l\u01b0u tr\u1eef d\u1eef li\u1ec7u th\u1ef1c t\u1ebf c\u1ee7a SSD).\u00a0Theo truy\u1ec1n th\u1ed1ng, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi m\u1ed9t\u00a0n\u00fat qu\u00e1 tr\u00ecnh thu nh\u1ecf l\u1ea1i\u00a0, l\u00e0m cho c\u00e1c b\u00f3ng b\u00e1n d\u1eabn b\u00ean trong \u0111\u00e8n flash nh\u1ecf h\u01a1n.\u00a0Nh\u01b0ng khi \u0110\u1ecbnh lu\u1eadt Moore ch\u1eadm l\u1ea1i, b\u1ea1n ph\u1ea3i s\u00e1ng t\u1ea1o h\u01a1n.<\/p>\n<p>Gi\u1ea3i ph\u00e1p kh\u00e9o l\u00e9o l\u00e0 flash NAND \u0111a c\u1ea5p.\u00a0\u0110\u00e8n flash NAND c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef m\u1ed9t m\u1ee9c \u0111i\u1ec7n \u00e1p c\u1ee5 th\u1ec3 trong m\u1ed9t t\u1ebf b\u00e0o trong m\u1ed9t th\u1eddi gian d\u00e0i.\u00a0Flash NAND truy\u1ec1n th\u1ed1ng l\u01b0u tr\u1eef hai c\u1ea5p \u0111\u1ed9 b\u1eadt v\u00e0 t\u1eaft.\u00a0\u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00e8n flash SLC v\u00e0 n\u00f3 th\u1ef1c s\u1ef1 nhanh.\u00a0Nh\u01b0ng v\u00ec NAND v\u1ec1 c\u01a1 b\u1ea3n l\u01b0u tr\u1eef m\u1ed9t \u0111i\u1ec7n \u00e1p t\u01b0\u01a1ng t\u1ef1, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n nhi\u1ec1u bit v\u1edbi c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p h\u01a1i kh\u00e1c nhau, nh\u01b0 v\u1eady:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2019\/08\/Untitled_Diagram_drawio_-_draw_io-1.png.pagespeed.ce.7mWqJ1FXWU.png\" alt=\"C\u1ea5p \u0111i\u1ec7n \u00e1p t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi m\u1eadt \u0111\u1ed9 b\u1ed9 nh\u1edb cao h\u01a1n\" data-credittext=\"Anthony Heddings\" \/><\/p>\n<p>V\u1ea5n \u0111\u1ec1, nh\u01b0 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf \u0111\u00e2y, l\u00e0 n\u00f3 t\u0103ng l\u00ean\u00a0\u00a0<em>theo c\u1ea5p s\u1ed1 nh\u00e2n<\/em>\u00a0.\u00a0Flash SLC ch\u1ec9 y\u00eau c\u1ea7u \u0111i\u1ec7n \u00e1p ho\u1eb7c thi\u1ebfu n\u00f3.\u00a0MLC flash y\u00eau c\u1ea7u b\u1ed1n c\u1ea5p \u0111i\u1ec7n \u00e1p.\u00a0TLC c\u1ea7n t\u00e1m.\u00a0V\u00e0 trong n\u0103m ngo\u00e1i, \u0111\u00e8n flash QLC \u0111\u00e3 v\u00e0 \u0111ang x\u00e2m nh\u1eadp th\u1ecb tr\u01b0\u1eddng, \u0111\u00f2i h\u1ecfi 16 c\u1ea5p \u0111i\u1ec7n \u00e1p ri\u00eang bi\u1ec7t.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn r\u1ea5t nhi\u1ec1u v\u1ea5n \u0111\u1ec1.\u00a0Khi b\u1ea1n th\u00eam nhi\u1ec1u c\u1ea5p \u0111i\u1ec7n \u00e1p, c\u00e0ng ng\u00e0y c\u00e0ng kh\u00f3 ph\u00e2n bi\u1ec7t c\u00e1c bit.\u00a0\u0110i\u1ec1u n\u00e0y l\u00e0m cho QLC flash d\u00e0y h\u01a1n 25% so v\u1edbi TLC nh\u01b0ng ch\u1eadm h\u01a1n \u0111\u00e1ng k\u1ec3.\u00a0T\u1ed1c \u0111\u1ed9 \u0111\u1ecdc kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u, nh\u01b0ng t\u1ed1c \u0111\u1ed9 ghi s\u1ebd gi\u1ea3m d\u1ea7n.\u00a0H\u1ea7u h\u1ebft c\u00e1c \u1ed5 SSD (s\u1eed d\u1ee5ng giao th\u1ee9c NVMe m\u1edbi h\u01a1n) di chuy\u1ec3n kho\u1ea3ng 1500 MB \/ gi\u00e2y \u0111\u1ec3 \u0111\u1ecdc v\u00e0 ghi b\u1ec1n v\u1eefng (ngh\u0129a l\u00e0 t\u1ea3i ho\u1eb7c sao ch\u00e9p c\u00e1c t\u1ec7p l\u1edbn).\u00a0Nh\u01b0ng \u0111\u00e8n flash QLC ch\u1ec9 qu\u1ea3n l\u00fd trong kho\u1ea3ng\u00a080-160 MB \/ gi\u00e2y \u0111\u1ec3 ghi li\u00ean t\u1ee5c\u00a0, \u0111i\u1ec1u n\u00e0y c\u00f2n t\u1ec7 h\u01a1n c\u1ea3 \u1ed5 c\u1ee9ng.<\/p>\n<h2>SSD QLC ph\u00e1 v\u1ee1 nhanh h\u01a1n nhi\u1ec1u<\/h2>\n<p>T\u1ea5t c\u1ea3 c\u00e1c \u1ed5 SSD th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n ghi kh\u00f4ng thu\u1eadn l\u1ee3i so v\u1edbi \u1ed5 c\u1ee9ng.\u00a0B\u1ea5t c\u1ee9 khi n\u00e0o b\u1ea1n ghi v\u00e0o m\u1ed9t t\u1ebf b\u00e0o trong \u1ed5 SSD, n\u00f3 s\u1ebd d\u1ea7n b\u1ecb hao m\u00f2n.\u00a0<span class=\"\">Vi\u1ec7c x\u00f3a m\u1ed9t t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c electron, nh\u01b0ng m\u1ed9t s\u1ed1 \u00edt lu\u00f4n b\u00e1m xung quanh, khi\u1ebfn cho m\u1ed9t t\u1ebf b\u00e0o 0 0 0 s\u1ebd g\u1ea7n g\u0169i h\u01a1n v\u1edbi 1 1 theo th\u1eddi gian.\u00a0<\/span>\u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c b\u00f9 b\u1edfi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p d\u01b0\u01a1ng h\u01a1n theo th\u1eddi gian, \u0111i\u1ec1u n\u00e0y t\u1ed1t khi b\u1ea1n c\u00f3 nhi\u1ec1u ph\u00f2ng \u0111i\u1ec7n \u00e1p d\u1ef1 ph\u00f2ng.\u00a0Nh\u01b0ng QLC th\u00ec kh\u00f4ng.<\/p>\n<p>SLC c\u00f3\u00a0\u0111\u1ed9 b\u1ec1n ghi\u00a0trung b\u00ecnh\u00a0\u00a0l\u00e0 100.000 chu k\u1ef3 x\u00f3a \/ ch\u01b0\u01a1ng tr\u00ecnh\u00a0(thao t\u00e1c ghi).\u00a0MLC c\u00f3 t\u1eeb 35.000 \u0111\u1ebfn 10.000.\u00a0TLC c\u00f3 kho\u1ea3ng 5.000.\u00a0Nh\u01b0ng QLC ch\u1ec9 c\u00f3 1.000 s\u1edfi.\u00a0\u0110i\u1ec1u n\u00e0y l\u00e0m cho QLC kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ed5 \u0111\u0129a truy c\u1eadp th\u01b0\u1eddng xuy\u00ean, nh\u01b0 \u1ed5 \u0111\u0129a kh\u1edfi \u0111\u1ed9ng c\u1ee7a b\u1ea1n, \u0111\u01b0\u1ee3c ghi r\u1ea5t th\u01b0\u1eddng xuy\u00ean.<\/p>\n<p>D\u00f2ng d\u01b0\u1edbi c\u00f9ng kh\u00f4ng mua \u1ed5 \u0111\u0129a QLC \u0111\u1ec3 s\u1eed d\u1ee5ng cho \u1ed5 \u0111\u0129a h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a b\u1ea1n.\u00a0H\u1ecd qu\u00e1 kh\u00f4ng \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ch\u1eafc ch\u1eafn r\u1eb1ng n\u00f3 s\u1ebd kh\u00f4ng xu\u1ed1ng c\u1ea5p trong m\u1ed9t v\u00e0i n\u0103m.\u00a0Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u1ed5 \u0111\u0129a QLC l\u1edbn \u0111\u1ec3 thay th\u1ebf cho \u1ed5 c\u1ee9ng quay v\u00e0 s\u1eed d\u1ee5ng \u1ed5 SLC, MLC ho\u1eb7c TLC nhanh l\u00e0m \u1ed5 \u0111\u0129a h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u00ednh c\u1ee7a b\u1ea1n.\u00a0\u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 trong m\u00e1y t\u00ednh x\u00e1ch tay, n\u01a1i b\u1ea1n kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn, nh\u01b0ng QLC v\u1eabn c\u00f2n r\u1ea5t m\u1edbi v\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y t\u00ednh x\u00e1ch tay.<\/p>\n<h2>B\u1ed9 nh\u1edb \u0111\u1ec7m hi\u1ec7u qu\u1ea3 che gi\u1ea5u nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y<\/h2>\n<p><span class=\"\">T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 h\u1ecfi t\u1ea1i sao QLC th\u1eadm ch\u00ed l\u00e0 m\u1ed9t \u0111i\u1ec1u khi n\u00f3 kh\u00e1ch quan ch\u1eadm h\u01a1n v\u00e0 ph\u00e1 v\u1ee1 nhanh h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c lo\u1ea1i flash kh\u00e1c.\u00a0<\/span>B\u1ea1n r\u00f5 r\u00e0ng kh\u00f4ng th\u1ec3 ti\u1ebfp th\u1ecb m\u1ed9t s\u1ef1 h\u1ea1 c\u1ea5p, nh\u01b0ng c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t SDD \u0111\u00e3 t\u00ecm ra c\u00e1ch \u0111\u1ec3 che gi\u1ea5u v\u1ea5n \u0111\u1ec1 b\u1ed9 nh\u1edb \u0111\u1ec7m.<\/p>\n<p>SSD QLC d\u00e0nh m\u1ed9t ph\u1ea7n \u1ed5 \u0111\u0129a cho\u00a0\u00a0<em>b\u1ed9 \u0111\u1ec7m.\u00a0<\/em>B\u1ed9 \u0111\u1ec7m n\u00e0y b\u1ecf qua th\u1ef1c t\u1ebf r\u1eb1ng n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 QLC v\u00e0 thay v\u00e0o \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 flash SLC.\u00a0B\u1ed9 nh\u1edb cache s\u1ebd nh\u1ecf h\u01a1n 75% so v\u1edbi dung l\u01b0\u1ee3ng \u1ed5 \u0111\u0129a th\u1ef1c t\u1ebf, nh\u01b0ng n\u00f3 s\u1ebd nhanh h\u01a1n nhi\u1ec1u.<\/p>\n<p>D\u1eef li\u1ec7u t\u1eeb b\u1ed9 \u0111\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghi v\u1edbi c\u00f9ng t\u1ed1c \u0111\u1ed9 v\u1edbi c\u00e1c \u1ed5 SSD cao c\u1ea5p kh\u00e1c v\u00e0 s\u1ebd d\u1ea7n \u0111\u01b0\u1ee3c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n x\u00f3a s\u1ea1ch v\u00e0 s\u1eafp x\u1ebfp v\u00e0o c\u00e1c \u00f4 QLC.\u00a0Nh\u01b0ng khi b\u1ed9 \u0111\u1ec7m \u0111\u00f3 \u0111\u1ea7y, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i ghi tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c \u00f4 QLC ch\u1eadm, \u0111i\u1ec1u n\u00e0y g\u00e2y ra s\u1ef1 s\u1ee5t gi\u1ea3m \u0111\u00e1ng k\u1ec3 v\u1ec1 hi\u1ec7u su\u1ea5t trong qu\u00e1 tr\u00ecnh ghi d\u00e0i.<\/p>\n<p>H\u00e3y xem \u0111i\u1ec3m chu\u1ea9n n\u00e0y t\u1eeb b\u00e0i \u0111\u00e1nh gi\u00e1 c\u1ee7a Tom&#8217;s Ph\u1ea7n c\u1ee9ng\u00a0v\u1ec1 Crucial P1 500GB\u00a0, \u1ed5 SSD QLC ti\u00eau d\u00f9ng, cho th\u1ea5y v\u1ea5n \u0111\u1ec1 n\u00e0y kh\u00e1 r\u00f5 r\u00e0ng:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2019\/08\/img_5d2d14cdda943.png.pagespeed.ce.1kaTWGtXG8.png\" alt=\"T\u1ed1c \u0111\u1ed9 ghi gi\u1ea3m xu\u1ed1ng sau 64 GB\" data-credittext=\"Tom's Hardware\" data-crediturl=\"https:\/\/www.tomshardware.com\/reviews\/crucial-p1-nvme-ssd-qlc,5852-3.html\" \/><\/p>\n<p>\u0110\u01b0\u1eddng m\u00e0u \u0111\u1ecf \u0111\u1ea1i di\u1ec7n cho Crucial P1 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 NVMe v\u1eefng ch\u1eafc, m\u1eb7c d\u00f9 h\u01a1i ch\u1eadm so v\u1edbi m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 cao c\u1ea5p.\u00a0Nh\u01b0ng sau kho\u1ea3ng 75 GB ghi, b\u1ed9 \u0111\u1ec7m s\u1ebd \u0111\u1ea7y v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y\u00a0\u00a0t\u1ed1c \u0111\u1ed9\u00a0<em>th\u1ef1c<\/em>\u00a0c\u1ee7a flash QLC.\u00a0D\u00f2ng gi\u1ea3m m\u1ea1nh xu\u1ed1ng kho\u1ea3ng 80 MB \/ s, ch\u1eadm h\u01a1n h\u1ea7u h\u1ebft c\u00e1c \u1ed5 \u0111\u0129a c\u1ee9ng \u0111\u1ec3 ghi li\u00ean t\u1ee5c.<\/p>\n<p>ADATA XPG SX8200, \u1ed5 \u0111\u0129a TLC, hi\u1ec3n th\u1ecb c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u01b0\u01a1ng t\u1ef1, ngo\u1ea1i tr\u1eeb \u0111\u00e8n flash TLC th\u00f4 sau khi th\u1ea3 xu\u1ed1ng v\u1eabn nhanh h\u01a1n.\u00a0H\u1ea7u h\u1ebft c\u00e1c \u1ed5 \u0111\u0129a kh\u00e1c c\u0169ng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c l\u01b0u tr\u1eef n\u00e0y, v\u00ec n\u00f3 t\u0103ng t\u1ed1c nhanh, ghi nh\u1ecf v\u00e0o \u1ed5 \u0111\u0129a (ph\u1ed5 bi\u1ebfn nh\u1ea5t).\u00a0Nh\u01b0ng nh\u1eefng b\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c duy tr\u00ec l\u00e0 nh\u1eefng g\u00ec b\u1ea1n s\u1ebd ch\u00fa \u00fd nh\u1ea5t, b\u1ea1n s\u1ebd kh\u00f4ng ch\u00fa \u00fd n\u1ebfu m\u1ed9t b\u1ea3n sao t\u1ec7p nh\u1ecf m\u1ea5t 0,15 gi\u00e2y so v\u1edbi 0,21 gi\u00e2y, nh\u01b0ng b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y n\u1ebfu m\u1ed9t b\u1ea3n l\u1edbn m\u1ea5t th\u00eam m\u01b0\u1eddi ph\u00fat.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng vi\u1ebft ra \u0111i\u1ec1u n\u00e0y nh\u01b0 m\u1ed9t k\u1ecbch b\u1ea3n tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh, nh\u01b0ng b\u1ed9 \u0111\u1ec7m \u0111\u00f3 kh\u00f4ng t\u1ed3n t\u1ea1i 75 GB m\u00e3i m\u00e3i.\u00a0Khi b\u1ea1n l\u1ea5p \u0111\u1ea7y \u1ed5 \u0111\u0129a, b\u1ed9 \u0111\u1ec7m s\u1ebd nh\u1ecf h\u01a1n.\u00a0Theo\u00a0th\u1eed nghi\u1ec7m c\u1ee7a Anandtech\u00a0, \u0111\u1ed1i v\u1edbi d\u00f2ng Intel SSD 660p, b\u1ed9 nh\u1edb cache cho model 512 GB \u0111\u00e3 gi\u1ea3m xu\u1ed1ng ch\u1ec9 c\u00f2n 6 GB khi \u1ed5 \u0111\u0129a h\u1ea7u h\u1ebft \u0111\u00e3 \u0111\u1ea7y, th\u1eadm ch\u00ed ch\u1ec9 c\u00f2n 128 GB.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2019\/08\/img_5d2d1736c08d1.png.pagespeed.ce.235YFGMZHt.png\" alt=\"K\u00edch th\u01b0\u1edbc b\u1ed9 \u0111\u1ec7m SLC nh\u1ecf h\u01a1n khi \u1ed5 \u0111\u0129a \u0111\u1ea7y\" data-credittext=\"Anandtech\" data-crediturl=\"https:\/\/www.anandtech.com\/show\/13078\/the-intel-ssd-660p-ssd-review-qlc-nand-arrives\" \/><\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n \u0111\u00e3 l\u1ea5p \u0111\u1ea7y \u1ed5 SSD c\u1ee7a m\u00ecnh v\u00e0 sau \u0111\u00f3 th\u1eed c\u00e0i \u0111\u1eb7t tr\u00f2 ch\u01a1i 20-30 GB t\u1eeb Steam, 6 GB \u0111\u1ea7u ti\u00ean s\u1ebd ghi v\u00e0o \u1ed5 \u0111\u0129a c\u1ef1c k\u1ef3 nhanh ch\u00f3ng v\u00e0 sau \u0111\u00f3 b\u1ea1n s\u1ebd b\u1eaft \u0111\u1ea7u th\u1ea5y t\u1ed1c \u0111\u1ed9 80 MB \/ gi\u00e2y t\u01b0\u01a1ng t\u1ef1 cho c\u00e1c t\u1eadp tin c\u00f2n l\u1ea1i.<\/p>\n<p>C\u1ea5p, b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi t\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng trong v\u00ed d\u1ee5 n\u00e0y, nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p c\u1eadp nh\u1eadt (c\u1ea7n t\u1ea3i xu\u1ed1ng v\u00e0 sau \u0111\u00f3 thay th\u1ebf c\u00e1c t\u1ec7p hi\u1ec7n c\u00f3, y\u00eau c\u1ea7u hi\u1ec7u qu\u1ea3 g\u1ea5p \u0111\u00f4i dung l\u01b0\u1ee3ng), v\u1ea5n \u0111\u1ec1 s\u1ebd r\u00f5 r\u00e0ng h\u01a1n nhi\u1ec1u.\u00a0B\u1ea1n \u0111\u00e3 ho\u00e0n t\u1ea5t t\u1ea3i xu\u1ed1ng v\u00e0 sau \u0111\u00f3 ph\u1ea3i \u0111\u1ee3i m\u00e3i \u0111\u1ec3 c\u00e0i \u0111\u1eb7t.<\/p>\n<h2>V\u1eady b\u1ea1n c\u00f3 n\u00ean tr\u00e1nh QLC?<\/h2>\n<p>B\u1ea1n ch\u1eafc ch\u1eafn n\u00ean tr\u00e1nh c\u00e1c \u1ed5 \u0111\u0129a QLC c\u00f3 512 GB (v\u00e0 \u00edt h\u01a1n, m\u1ed9t khi n\u00f3 tr\u1edf n\u00ean r\u1ebb h\u01a1n \u0111\u1ec3 s\u1ea3n xu\u1ea5t), v\u00ec ch\u00fang kh\u00f4ng c\u00f3 \u00fd ngh\u0129a nhi\u1ec1u.\u00a0B\u1ea1n s\u1ebd \u0111i\u1ec1n ch\u00fang nhanh h\u01a1n nhi\u1ec1u v\u00e0 b\u1ed9 \u0111\u1ec7m s\u1ebd nh\u1ecf h\u01a1n khi \u0111\u1ea7y, khi\u1ebfn n\u00f3 ch\u1eadm h\u01a1n \u0111\u00e1ng k\u1ec3.\u00a0Th\u00eam v\u00e0o \u0111\u00f3, ch\u00fang hi\u1ec7n kh\u00f4ng r\u1ebb h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf.<\/p>\n<p>M\u1eb7c d\u00f9 thi\u1ebfu s\u00f3t c\u1ee7a n\u00f3, flash QLC kh\u00f4ng ph\u1ea3i\u00a0\u00a0l\u00e0 v\u1ea5n \u0111\u1ec1\u00a0<em>qu\u00e1<\/em>\u00a0l\u1edbn khi b\u1ea1n nh\u00ecn v\u00e0o c\u00e1c \u1ed5 \u0111\u0129a c\u00f3 dung l\u01b0\u1ee3ng cao h\u01a1n.\u00a0M\u00f4 h\u00ecnh 2 TB c\u1ee7a 660p c\u00f3 b\u1ed9 nh\u1edb cache t\u1ed1i thi\u1ec3u 24 GB khi \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y.\u00a0\u0110\u00e2y v\u1eabn l\u00e0 \u0111\u00e8n flash QLC, nh\u01b0ng \u0111\u00f3 l\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi \u1ed5 SSD 2 TB gi\u00e1 r\u1ebb ho\u1ea1t \u0111\u1ed9ng r\u1ea5t nhanh trong\u00a0\u00a0<em>h\u1ea7u h\u1ebft th\u1eddi gian.<\/em><\/p>\n<p>V\u1edbi kh\u1ea3 n\u0103ng kh\u1ed5ng l\u1ed3 c\u1ee7a ch\u00fang, SSD d\u1ef1a tr\u00ean QLC c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 thay th\u1ebf t\u1ed1t cho \u1ed5 c\u1ee9ng quay, mi\u1ec5n l\u00e0 b\u1ea1n th\u1ef1c hi\u1ec7n sao l\u01b0u th\u01b0\u1eddng xuy\u00ean trong tr\u01b0\u1eddng h\u1ee3p n\u00f3 kh\u1edfi \u0111\u1ed9ng x\u00f4.\u00a0\u0110\u00f3 l\u00e0 t\u1ed1i \u01b0u cho m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 b\u1ea1n truy c\u1eadp kh\u00f4ng th\u01b0\u1eddng xuy\u00ean nh\u01b0ng mu\u1ed1n th\u1ef1c s\u1ef1 nhanh khi b\u1ea1n th\u1ef1c hi\u1ec7n v\u00e0 v\u1edbi b\u1ed9 \u0111\u1ec7m SLC c\u00f3 k\u00edch th\u01b0\u1edbc v\u1eeba ph\u1ea3i, h\u1ea7u h\u1ebft c\u00e1c thao t\u00e1c ghi \u0111\u01b0\u1ee3c duy tr\u00ec s\u1ebd nhanh ch\u00f3ng h\u1ee3p l\u00fd cho \u0111\u1ebfn khi b\u1ea1n l\u1ea5p \u0111\u1ea7y \u1ed5 \u0111\u0129a.<\/p>\n<p>Do c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 tin c\u1eady, b\u1ea1n n\u00ean tr\u00e1nh s\u1eed d\u1ee5ng n\u00f3 nh\u01b0 m\u1ed9t \u1ed5 \u0111\u0129a kh\u1edfi \u0111\u1ed9ng ho\u1eb7c cho b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c ghi v\u00e0o.<\/p>\n<p>V\u1eabn c\u00f2n r\u1ea5t nhi\u1ec1u ti\u1ebfn b\u1ed9 c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c c\u1ee7a vi\u1ec7c s\u1ea3n xu\u1ea5t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ed1t h\u01a1n c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft nhi\u1ec1u chip flash, chip flash r\u1ebb h\u01a1n khi c\u00e1c n\u00fat x\u1eed l\u00fd ho\u00e0n thi\u1ec7n v\u00e0 c\u00f3 l\u1ebd c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c ho\u00e0n to\u00e0n.\u00a0\u0110\u00e8n flash QLC kh\u00f4ng s\u1edbm tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n;\u00a0Hi\u1ec7n t\u1ea1i, n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c.\u00a0Ch\u1ec9 c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng khi mua SSD, b\u1ea1n ki\u1ec3m tra c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ch\u00fa \u00fd \u0111\u1ebfn lo\u1ea1i \u0111\u00e8n flash \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o ch\u00fang.<\/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=21626\">U.2 SSD: &#8220;Chi\u1ebfn binh&#8221; hi\u1ec7u n\u0103ng cao \u1ea9n m\u00ecnh trong th\u1ebf gi\u1edbi l\u01b0u tr\u1eef doanh nghi\u1ec7p<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=9905\">So s\u00e1nh c\u00e1c chu\u1ea9n \u1ed5 c\u1ee9ng SSD: SATA, SAS v\u00e0 PCIe<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=9701\">T\u00ecm hi\u1ec3u chu\u1ea9n giao ti\u1ebfp PCIe 4.0, nh\u1eefng \u0111i\u1ec3m m\u1edbi so v\u1edbi th\u1ebf h\u1ec7 tr\u01b0\u1edbc<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=8416\">So s\u00e1nh tu\u1ed5i th\u1ecd gi\u1eefa \u1ed5 c\u1ee9ng SSD v\u00e0 HDD &#8211; Lo\u1ea1i n\u00e0o b\u1ec1n h\u01a1n?<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=7258\">So s\u00e1nh CPU vs GPU cho c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd AI<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=7119\">So s\u00e1nh hi\u1ec7u n\u0103ng c\u00e1c lo\u1ea1i \u1ed5 c\u1ee9ng: HDD vs SSD vs NVMe<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>M&#7899;i h&#417;n kh&ocirc;ng ph&#7843;i l&uacute;c n&agrave;o c&#361;ng t&#7889;t h&#417;n.&nbsp;G&#7847;n &#273;&acirc;y, c&aacute;c nh&agrave; s&#7843;n xu&#7845;t SSD &#273;&atilde; b&#7855;t &#273;&#7847;u &#273;&aacute;nh &#273;&#7893;i t&#7889;c &#273;&#7897; v&agrave; &#273;&#7897; tin c&#7853;y v&igrave; l&#7907;i &iacute;ch c&#7911;a vi&#7879;c nh&#7891;i nh&eacute;t th&ecirc;m kh&ocirc;ng gian l&#432;u tr&#7919; v&agrave;o &#7893; &#273;&#297;a c&#7911;a h&#7885;.&nbsp;C&aacute;c giao th&#7913;c nh&#432;&nbsp;NVMe&nbsp;v&agrave;&nbsp;PCIe&nbsp;&#273;ang ng&agrave;y c&agrave;ng nhanh h&#417;n, nh&#432;ng m&#7897;t s&#7889; &#7893; SSD&#8230;<\/p>\n","protected":false},"author":2,"featured_media":2199,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[44,1],"tags":[31,33],"class_list":["post-2198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product","category-tong-hop","tag-hardware","tag-ssd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u1ed4 SSD ti\u1ebfp theo c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd ch\u1eadm h\u01a1n (...nh\u1edd v\u00e0o QLC Flash!) - 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\/product\/o-ssd-tiep-theo-cua-ban-co-the-se-cham-hon-nho-vao-qlc-flash-p2198\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"\u1ed4 SSD ti\u1ebfp theo c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd ch\u1eadm h\u01a1n (...nh\u1edd v\u00e0o QLC Flash!) - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"M&#7899;i h&#417;n kh&ocirc;ng ph&#7843;i l&uacute;c n&agrave;o c&#361;ng t&#7889;t h&#417;n.&nbsp;G&#7847;n &#273;&acirc;y, c&aacute;c nh&agrave; s&#7843;n xu&#7845;t SSD &#273;&atilde; b&#7855;t &#273;&#7847;u &#273;&aacute;nh &#273;&#7893;i t&#7889;c &#273;&#7897; v&agrave; &#273;&#7897; tin c&#7853;y v&igrave; l&#7907;i &iacute;ch c&#7911;a vi&#7879;c nh&#7891;i nh&eacute;t th&ecirc;m kh&ocirc;ng gian l&#432;u tr&#7919; v&agrave;o 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