Me yasa ya fi dacewa siyan 480G mai ƙarfi fiye da 240G?

Ƙarƙashin ƙarfiSSDguntu mugun guntu ne?Misali, a128G SSDguntu ya fi a120Gcip, a256Gguntu ya fi guntu 240G, da sauransu, irin wannan gimmick da aka jefa a kasuwa zai haifar da wani adadin buƙata.

Babban iya aikiSSDs na iya biyan ƙarin buƙatun mu don adana bayanai.Idan aka kwatanta da ma'aikatan ofis, masu amfani da ƙarshen wasan caca, babban ƙarfin iya samar da mafi girman aiki, duka karantawa da rubuta saurin gudu da saurin karantawa bazuwar 4K.

Ayyukan aiki da tsawon rai shine abin da ke fara buƙatar

Koyaya, buƙatun siyan mai amfani yana kwance ba kawai cikin iyawa ba, har ma a cikin aiki da tsawon rai.Rashin iya aiki yana haifar da gaskiyar cewaSSDs da ɗan ƙaramin ƙarfin da ya rage yana buƙatar goge tsoffin bayanan kafin a cika su da sabbin bayanai, amma wannan aikin zai ɗauki lokaci kuma goge bayanan zai kuma rage rayuwar bayanan.SSDsau ɗaya.(Alal misali, kuɗin kasuwa na yanzu na TLC zai iya jure wa 3K cikakken gogewar diski)

Saboda haka, m-state ya kasance ko da yaushe neman karin iko, kawai 'yan mutane ne kawai kula da dalilin da ya sa iyawar m-state drives ne Nth iko na 2, kamar.120G, 480G, 960 haka. 

A zamanin da, Nand Flash an tsara shi da 2 bit a kowane cell, Flash cell na iya adana bayanai guda biyu, koda Nand Flash ya haɓaka zuwa TLC zuwa QLC, ƙarfin har yanzu shine ikon Nth na 2.

Kuma kowace ƙasa mai ƙarfi za ta sami sararin da aka tanada na OP (Over-provisioning), gami da filin OP na farko da aka kirkira ta hanyar canjin binary da ƙarin sararin OP na sakandare kamar yadda ake buƙata, wannan ɓangaren sararin OP yana wanzuwa a cikin SSD, kawai ba zai iya ba. a karanta, rubuta da samun dama ga mai amfani kai tsaye.

Ana amfani da sararin samaniyar OP don inganta aikin rubutu, rage haɓaka rubutu, inganta rayuwar rubutu, da sauran amfani.Dangane da buƙatun amfani, masu amfani kuma za su iya ƙara Layer na uku na sararin OP da hannu.

Daban-daban Farashin

Jigon tuƙi mai ƙarfi ya ƙunshi galibin babban iko, ƙwaƙwalwar filasha da PCB.Bambanci kawai tsakanin 240G da 120G a kasuwa shine adadin ƙwaƙwalwar walƙiya, amma akan farashi, 120G guda biyu da 240G mai ƙarfi guda ɗaya idan aka kwatanta da 240G zai zama ƙasa da farashin shinge, allon PCB da sarrafa mai sarrafa, amma wannan shine saman, ainihin ko Nand Flash, wanda ke lissafin 70-80% na farashin gabaɗayan.SSD.

Tare da tsarin 64-Layer Stacked 3D na yanzu, ƙarfin mutu ɗaya zai iya kaiwa 256Gbit (32GB), ko ma 512Gbit (64GB), ma'ana cewa kaɗan ne kawai ke mutuwa don ƙarfin walƙiya iri ɗaya.

Kuma don tabbatar da cewa akwai isasshen adadin ƙwaƙwalwar ajiya don samun damar karantawa da rubutu a lokaci guda, ta yin amfani da fa'idodin tashar don haɓaka aikin karantawa da rubutawa, zai zaɓi akwatin ma'aunin ƙananan ƙarfin Die, wanda shine dalilin da ya sa ƙananan ƙarfin aiki.SSDskar a rage farashi ta hanyar ƙara ƙarfin Die guda ɗaya.

Babban ƙarfin ba shi da waɗannan matsalolin, ƙa'idar daidai take da tsararrun RAID ɗinmu na yau da kullun, wanda shine dalilin da ya sa babban ƙarfin aiki.SSDkarantawa da rubutu aiki ya fi ƙarfi.