Sabuwar labarin: WD Black SN750 NVMe SSD bita: an binne, amma ba a kama shi ba

2018 da ya gabata ya zama lokacin haɓaka mai ƙarfi don abubuwan tafiyar NVMe. A wannan lokacin, masana'antun da yawa sun ƙirƙira da gabatar da samfuran waɗanda suka haɓaka babban matakin mafita waɗanda ke aiki ta hanyar bas ɗin PCI Express. Ayyukan linzamin kwamfuta na NVMe SSDs na ci gaba sun fara kusantar kayan aikin PCI Express 3.0 x4, kuma saurin ayyukan sabani ya karu sosai idan aka kwatanta da sadaukarwar al'ummomin da suka gabata.

Dangane da wannan, ba abin mamaki bane cewa yawancin mafita masu ban sha'awa sun zo kasuwa. Mafi kyawun ƙwararrun mabukaci a bara sun kasance ci gaba da ci gaba na Intel SSD 760p, WD Black NVMe da ADATA XPG SX8200, kuma dukkansu sun kalli matakin ƙirar NVMe da suka gabata a matsayin wakilai na sabon ƙarni gaba ɗaya - haɓakar halayen saurin yana da matukar wahala. . Alamar canji kuma ita ce gaskiyar cewa a karon farko a cikin shekaru da yawa, Samsung ya rasa lakabin mai samar da SSDs mafi ban sha'awa da ake samarwa: Samsung 960 EVO drive, wanda aka ba shi a cikin shekarar da ta gabata, ya zama mai nisa. daga mafi kyawun zaɓi saboda karuwar ayyukan masu fafatawa. Kuma da alama ba za a iya dakatar da haɓakar haɓakar haɓakar da aka fara ba, kuma a cikin 2019 za a ci gaba da haɓaka haɓakar NVMe SSDs masu tarin yawa.

Duk da haka, watanni na farko na wannan shekara suna nuna akasin haka: da alama masana'antun sun ɓata duk ƙoƙarin su akan nasarar da aka samu a bara, kuma mafi yawan abin da za mu iya gani a nan gaba shine sabuntawa a hankali ga samfurori na bara. Ba sai ka yi nisa ga misalai ba. A yau za mu kalli Western Digital's latest NVMe SSD, da WD Black SN750, kuma wannan shine sabon samfuri na uku da aka ƙirƙira a wannan shekara ba tare da yin wasu muhimman canje-canje ga ainihin ginin tuƙi ba. A cikin samfuran da muka samu a wannan shekara, masana'antun ba sa ba mu sabbin hanyoyin dabaru da mafita na kayan aiki. Komai yana iyakance ko dai don canza ƙwaƙwalwar walƙiya zuwa ƙarin nau'ikan zamani, ko ma na musamman don haɓakawa a matakin firmware.

Duk da haka, ba ma so mu ce irin wannan tsarin a fili ba zai iya ba da sakamako mai kyau ba. Akwai cikakken misali: sabon Samsung 970 EVO Plus drive, wanda ya bambanta da wanda ya gabace shi ta hanyar maye gurbin tsohon 64-Layer tare da ƙarin na zamani 96-Layer TLC 3D V-NAND, ba zato ba tsammani ya saita sabbin alamomin aiki ga mabukaci kasuwar NVMe SSD. sashi.

Amma wannan ba koyaushe yana aiki ba kuma ba ga kowa ba. Misali, sabon sigar ADATA XPG SX8200 drive, wacce ta karɓi Pro a cikin sunanta mai ƙarewa, ta sami irin wannan ingantawar firmware wanda zai fi kyau kar a sami su kwata-kwata. Motsin ya yi sauri fiye da wanda ya gabace shi musamman a cikin ma'auni, amma baya bayar da ingantaccen ingantaccen gudu ko wasu halaye.

Abin da Western Digital ya yi da farko ya yi kama da tsarin ADATA. Gaskiyar ita ce WD Black SN750 kwatankwacin injin WD Black NVMe na bara (yana da lambar ƙirar SN720) tare da ingantaccen firmware. Duk da haka, kada mu yi gaggawar yanke hukunci; wanene ya san yadda wannan zai iya shafar aiki. Bayan haka, Western Digital ta riga ta ba mu abin mamaki da ban mamaki lokacin da, bin sannu a hankali da sigar farko ta WD Black PCIe, an sake sakin nau'in WD Black NVMe na biyu, wanda ya canza komai kuma ya zama ɗayan mafi kyawun NVMe SSDs na mabukaci. na bara. Saboda haka, da zaran sigar ta uku na "baƙar fata" Western Digital drive ta isa Rasha, nan da nan mun yanke shawarar gwada shi. Bari mu gani, watakila Western Digital ya gudanar ya fi Samsung sake da yin wani abu mafi ban sha'awa fiye da Samsung 970 EVO Plus?

Технические характеристики

Don Black NVMe drive (SN720) wanda aka saki a bara, Western Digital ta sabunta dandamalin kayan masarufi gaba daya. Mai sana'anta ya kusanci haɓaka wannan SSD tare da dukkan alhakin: har ma an ƙirƙiri mai sarrafa kayan masarufi na musamman don shi, wanda, kamar yadda aka tsara tun farko, a cikin bambance-bambance daban-daban, ya kamata a hankali yada mazauninsa zuwa sauran NVMe SSDs na kamfanin. Sabuwar Black SN750 da muke magana a kai a yau gaskiya ce gaba ɗaya ga ƙirar asali: an gaji babban ɓangaren sa daga magabata. Yana sake yin amfani da mai sarrafa tri-core 28nm iri ɗaya, wanda ƙungiyar injiniyan SanDisk ta kirkira wacce ta zo ƙarƙashin reshen Western Digital.

Duk da haka, da wuya a yi la'akari da rashin maye gurbin mai kulawa da wani abu mara kyau. Guntuwar SanDisk ya yi kyau sosai a cikin 2018 Black NVMe, kuma duk da ƙarancin adadin muryoyin ARM Cortex-R, ya ba da kyakkyawan aiki ba tare da wata matsala ba.

SSD da ƙwaƙwalwar walƙiya ba su canza ba idan aka kwatanta da sigar da ta gabata. Duka lokacin da yanzu, Western Digital yana amfani da ƙwaƙwalwar ajiya na 64-Layer BiCS3 (TLC 3D NAND) tare da girman guntu 256-gigabit don samfurin flagship ɗin sa. Kuma wannan lokacin, magana ta gaskiya, yana haifar da manyan tambayoyi. Gaskiyar ita ce Western Digital ta sanar da isar da gwaji na ƙarin ci gaba na 96-Layer flash memory na ƙarni na huɗu (BiSC4) a tsakiyar shekarar da ta gabata. Kuma zai zama da ma'ana idan dai irin wannan ƙwaƙwalwar ajiya ta bayyana a cikin sigar yau na tuƙi na kamfanin. Haka kuma, abokin aikin Western Digital na samarwa, Toshiba, ya fara samar da tutoci dangane da ƙwaƙwalwar BiCS4 a watan Satumbar bara (samfurin da ya dace ana kiransa XG6). Duk da haka, wani abu ya yi kuskure a Western Digital, kuma canzawa zuwa 96-Layer flash memory bai faru ba, sakamakon haka sabon Black SN750, dangane da daidaitawar hardware, ya zama kama da na baya version. alamar "black".

Don kare sabon samfurinsa, masana'anta sun ce an yi sauye-sauye masu mahimmanci a matakin firmware, kuma ɓangaren software da aka sake fasalin na iya samar da ci gaba a cikin alamun saurin. Koyaya, yana da kyau a tuna anan cewa mai kula da SanDisk wanda aka gina masarrafar Western Digital yana da ikon aiwatar da kayan aiki na algorithms da yawa waɗanda galibi ana amfani da hanyoyin software.

Kuma wannan gaskiyar tana jefa shakku kan ko aikin memba na dangin Baƙar fata na gaba zai iya inganta da gaske ta wani nau'in haɓaka firmware. Amma, a fili, sashen tallace-tallace na Western Digital ba ya raba shakkar mu. An haɗa lissafin halayen sabon samfurin kamar Black SN750 da gaske samfuri ne da ya fi dacewa idan aka kwatanta da Black NVMe na baya. Matsakaicin saurin karantawa da rubutu bazuwar, da kuma saurin karatun kanana, bisa ga bayanan hukuma, sun karu da kashi 3-7%. Kuma wasan kwaikwayon yayin rikodin bazuwar nan da nan ya karu zuwa 40%, wanda yakamata ya tabbatar da ingantaccen aikin sabon ƙirar a cikin yanayi na gaske.

Idan muka yi magana game da takamaiman lambobi, to, ƙayyadaddun hukuma na WD Black SN750 sun ɗauki nau'i mai zuwa.

Manufacturer	Western Digital
Sauti	WD Black SN750 NVMe SSD
Lambar samfurin	Saukewa: WDS250G3X0C	Saukewa: WDS500G3X0C Saukewa: WDS500G3XHC	Saukewa: WDS100T3X0C Saukewa: WDS100T3XHC	Saukewa: WDS200T3X0C Saukewa: WDS100T3XHC
Factor Factor	M.2 2280
dubawa	PCI Express 3.0 x4 - NVMe 1.3
Capacity, GB	250	500	1000	2000
Kanfigareshan
Ƙwaƙwalwar ƙwaƙwalwa: nau'in, fasaha na tsari, masana'anta	SanDisk 64-Layer BiCS3 3D TLC NAND
Mai sarrafawa	SanDisk 20-82-007011
Buffer: nau'in, girma	DDR4-2400 256 MB	DDR4-2400 512 MB	DDR4-2400 1024 MB	DDR4-2400 2048 MB
Yawan aiki
Max. ɗorewar saurin karantawa na jeri, MB/s	3100	3470	3470	3400
Max. Gudun rubutu mai dorewa, MB/s	1600	2600	3000	2900
Max. Gudun karatun bazuwar (tubalan 4 KB), IOPS	220 000	420 000	515 000	480 000
Max. saurin rubuta bazuwar (tubalan 4 KB), IOPS	180 000	380 000	560 000	550 000
Yanayi na jiki
Amfanin wuta: rashin aiki / karanta-rubutu, W	0,1/9,24
MTBF (ma'anar lokaci tsakanin kasawa), sa'o'i miliyan.	1,75
Albarkatun rikodi, TB	200	300	600	1200
Gabaɗaya girma: LxHxD, mm	80 x 22 x 2,38 - ba tare da radiyo ba 80 x 24,2 x 8,1 - tare da radiyo
Nauyi, g	7,5 - ba tare da radiator ba 33,2 - tare da radiator
Lokacin garanti, shekaru	5

Idan akai la'akari da cewa duk ingantaccen aikin ana samun su ta hanyar gyare-gyaren firmware kadai, tambaya ta halitta ta taso game da ko 2018 WD Black NVMe da aka riga aka saki zai sami irin wannan cigaba. Kuma abin takaici, amsar ita ce a'a. Western Digital ya ƙi yin bayanin kai tsaye dalilin da yasa ba za a iya amfani da firmware na SN750 a cikin SN720 ba, amma mun yi imanin cewa sabon firmware yana tura mai sarrafawa zuwa saurin agogo mafi girma, kuma don tabbatar da cewa wannan baya haifar da wata matsala, ana amfani da tsauraran dokoki ga SN750 kwakwalwan kwamfuta a lokacin samar da bukatun don ingancin semiconductor lu'ulu'u. A zahiri, Western Digital kwanan nan ya ƙara ƙaramin matakin NVMe bayani zuwa kewayon samfurin sa, Blue SN500, kuma godiya ga wannan, kamfanin yanzu yana da dama ta halitta don bambance masu sarrafawa dangane da ingancin silicon ba tare da haɓaka ƙimar lahani ba.

Tare da haɓaka mitar mai sarrafawa, sake tsara ƙa'idodin aiki na caching SLC shima zai iya taimakawa haɓaka aikin Black SN750. Idan muka yi magana game da Black NVMe, cache na SLC a cikin wannan motar ba ta kusan yin tasiri ba. Masu haɓakawa sun yi amfani da madaidaicin tsari mafi sauƙi, kuma adadin ƙwaƙwalwar filasha da ke aiki a cikin yanayin haɓaka ya kasance kaɗan kaɗan - kusan 3 GB kawai ga kowane 250 GB na ƙarfin SSD. Amma sabon sigar Black SN750, da rashin alheri, bai sami wani gagarumin ci gaba a cikin wannan shugabanci ba. Cache na SLC yana sake aiki akan ƙayyadaddun yanki na tsararrun ƙwaƙwalwar walƙiya mai girman irin wannan. Sakamakon haka, duk tsoffin korafe-korafe game da Black SN750 SLC cache sun kasance.

A matsayin misali, ga jadawali na al'ada wanda ke nuna yadda aikin sabunta rabin terabyte WD Black SN750 yayi kama yayin ci gaba da yin rikodi.

Lallai, wannan jadawali ya kusan zama iri ɗaya da jeri-jefi na saurin rubutu wanda muka karɓa don WD Black NVMe. Haka kuma, wannan ya shafi ba kawai ga adadin bayanai bayan rikodi wanda akwai raguwa a cikin aiki, amma kuma ga cikakken dabi'u na rikodi gudun.

Amma sabon WD Black SN750 har yanzu yana ba da wasu sabbin sabbin abubuwa. Misali, nau'in tuƙi na TB 2 yanzu ya bayyana a cikin jeri. Duk da haka, ya kamata ka tuna cewa don ƙirƙirar shi, masana'anta dole ne su koma yin amfani da kwakwalwan kwamfuta 512-gigabit maimakon 256-gigabit, kuma wannan, kamar yadda sau da yawa yakan faru a cikin irin wannan yanayi, ba shi da mafi kyawun sakamako. Ko da bisa ƙayyadaddun fasfofi, tuƙin TB 2 yana da hankali fiye da tuƙin TB 1.

Ƙirƙirar asali ta biyu ita ce bayyanar yanayin wasan kwaikwayo na musamman akan SSD (Yanayin Wasanni), wanda ke nufin masu sha'awar da ke son samun mafi kyawun aiki. A ciki, ayyuka na ceton makamashi (Masu Canjin Wutar Jiha Mai Zaman Kanta) an kashe su don tuƙi, wanda ke ba da damar rage jinkiri yayin samun dama ga bayanai na farko. Yanayin wasa don Black SN750 an kunna shi a cikin kayan aikin Dashboard na Western Digital SSD, inda yanzu an ƙara canjin da ya dace.

Koyaya, bai kamata ku yi tunanin cewa Yanayin Gaming wani nau'in fasaha ne na sihiri wanda zai iya canza yanayin aiki cikin inganci. Gwaje-gwaje sun nuna cewa karuwar masu nuna alama kusan ba a san su ba. Ƙananan canje-canje don mafi kyau ana iya gani kawai a cikin ma'auni na roba kuma tare da ƙananan ayyukan toshe kawai idan babu jerin gwano.

Koyaya, don tsarin tebur muna ba da shawarar kunna Yanayin Wasan da aka kashe da farko. Har yanzu yana ba da haɓaka haɓaka aiki, kodayake ƙarami ne. A lokaci guda kuma, wannan yanayin ba ya haifar da wani mummunan tasiri, ban da ƙara ɗan ƙara yawan amfani da wutar lantarki, wanda da wuya a iya gani a cikin kwamfutocin tebur.

Dangane da sharuɗɗan garanti da ayyana albarkatu, ta wannan fuskar WD Black SN750 yayi kama da ƙirar da ta gabata. An saita lokacin garanti a cikin shekaru biyar na yau da kullun, lokacin da aka ba mai amfani damar sake rubuta tuƙi sau 600 gaba ɗaya. An keɓance kawai don ƙaramin sigar tare da damar 250 GB: don shi, ana ƙara albarkatun zuwa sau 800 SSD sake rubutawa yayin rayuwar sabis ɗin sa.

Bayyanar da tsari na ciki

Kamar haka daga duk abubuwan da ke sama, WD Black SN750 ƙaramin sabuntawa ne kawai na WD Black NVMe na baya tare da ɗan ƙaramin jerin canje-canje. Saboda haka, ba abin mamaki ba ne cewa tsofaffi da sababbin nau'ikan tuƙi suna kama da juna ta fuskar ƙirar PCB. Tsarinsa bai canza ba kwata-kwata, kuma zai zama kusan ba zai yuwu a bambanta sabon samfurin daga tsohuwar ba idan kun kware sitika daga ciki.

SSD yana da ƙira mai gefe ɗaya wanda ke ba da damar yin amfani da shi a cikin ramummuka "ƙananan bayanan martaba". Mai kula da SanDisk mai mallakar 20-82-007011 yana tsakiyar hukumar, kuma kwakwalwan ƙwaƙwalwar walƙiya guda biyu suna cikin gefuna na tsarin M.2. Anyi wannan da gangan - Injiniyoyi na Western Digital sun yi la'akari da cewa tare da wannan shimfidar wuri na da'irar da aka buga yana da mafi sauƙi topology, kuma yana magance matsalar nutsewar zafi sosai.

Mun gwada faifan 500 GB, kuma tsarin ƙwaƙwalwar filasha da ke kan ta ya zama ya ƙunshi guntu guda biyu, kowannensu yana ɗauke da 64-Layer 256 Gbit 3D TLC NAND crystals (BiCS3) wanda SanDisk ya ƙera. Sakamakon haka, mai sarrafa tashoshi takwas da aka haɗa a cikin tuƙi da ake la'akari da shi yana amfani da haɗin na'urori biyu a kowane tashoshi. Wannan yawanci ya isa dandamalin kayan masarufi na SSD don isa ga cikakkiyar damarsa.

An shigar da guntu buffer DRAM kusa da mai sarrafawa, wanda ya wajaba don yin aiki da sauri tare da teburin fassarar adireshi. Wannan shine kawai sashi a cikin WD Black SN750 wanda masana'anta ke siya a waje. A wannan yanayin, ana amfani da guntu SK Hynix mai ƙarfin 512 MB, kuma an fi mayar da hankali kan ƙwaƙwalwar saurin sauri - DDR4-2400.

Koyaya, babu wani sabon abu a cikin duk wannan; mun ga abu iri ɗaya lokacin da muka saba da WD Black NVMe. Amma Western Digital ya yi ƙoƙarin rama ƙarancin canje-canje a cikin tsarin kayan masarufi tare da aƙalla wasu canje-canje a waje. An zaɓi hoton wasan don WD Black SN750, kuma an jaddada shi a duk hanyoyin da ake da su: da farko, ta ƙirar marufi kuma na biyu ta hanyar sitimin bayanai akan SSD.

Akwatin na WD Black SN750 an yi shi ne a cikin tsarin launi na baƙar fata, wanda ya maye gurbin ƙirar shuɗi da fari, ana amfani da font na monospace sosai a cikin ƙirar, kuma sunan drive ɗin yanzu an rubuta shi azaman WD_BLACK.

Hakanan an tsara sitika akan tuƙi a cikin irin wannan salon, amma ba tare da lahani ba. Koyaya, ana iya gafarta mata saboda wannan, saboda masana'anta sun sanya bayanan hukuma da yawa, tambura da lambobin sirri.

Tunda Black SN750 a sarari yana nufin masu sha'awar sha'awa, zai zama ma'ana idan an yi sitika a kan bangon bango, wanda wasu masana'antun ke yin amfani da su don haɓaka haɓakar zafi daga kwakwalwan kwamfuta akan allon SSD. Amma masu haɓaka Western Digital sun yanke shawarar tunkarar batun kwantar da hankali sosai, kuma ga waɗanda suka damu sosai game da batun sanyaya, sun yi gyare-gyare daban na Black SN750 tare da cikakken radiator.

Wannan sigar keɓantaccen samfur ne wanda ke biyan ƙarin $20-$35. Koyaya, Western Digital ta yi imanin cewa tabbas akwai wani abu da za a biya anan. Bayan haka, heatsink da aka yi amfani da shi ba mai sauƙi ba ne, hular zafi mara amfani, wanda, alal misali, kamfanoni na uku suna son sanyawa akan NVMe SSDs. A cikin Black SN750 yana da babban shingen aluminium baƙar fata, wanda masanan sana'arsu suka yi aiki da sifarsa - ƙwararrun da aka gayyata daga kamfanin EKWB.

Software

Kayan aikin Western Digital koyaushe suna zuwa tare da kayan aikin sabis na Dashboard na SSD iri ɗaya, wanda ke aiwatar da duk mahimman ayyuka don yi musu hidima. Amma tare da fitowar sabon sigar flagship NVMe SSD, ya canza sosai: yana da sabon sigar duhu mai duhu, wanda ke kunna kai tsaye idan mai amfani ya gano Black SN750 na caca a cikin tsarin.

A lokaci guda, damar da kayan aiki ya kasance kusan gaba ɗaya, kuma ba zai yuwu a ba kowa mamaki ba. A haƙiƙa, Maɓallin Yanayin Gaming kawai ana ƙara zuwa tsarin ayyuka na yau da kullun. Amma wannan ba yana nufin cewa ba mu gamsu da komai ba: babu korafe-korafe game da shirin SSD Dashboard, saboda ya kasance ɗaya daga cikin mafi kyawun kayan aikin sabis na nau'ikan sa.

Babban fasali na SSD Dashboard: samun bayanai game da SSD da aka shigar a cikin tsarin, gami da bayanai akan sauran albarkatun da yanayin zafin jiki na yanzu; saka idanu na ainihi na aikin tuƙi; Sabunta firmware ta Intanet ko daga fayil; aiwatar da Secure Ease aiki da kuma share duk wani bayanai daga ƙwaƙwalwar filasha ta hanyar tilasta shi zuwa sifili; Gudanar da gwaje-gwajen SMART kuma duba halayen SMART.

Yana da kyau a lura cewa yuwuwar fassara sigogin SMART da aka saka a cikin Dashboard ɗin SSD sun ɗan wadata fiye da bayanan da za a iya samu daga shirye-shiryen ɓangare na uku masu zaman kansu.

Amma babu direban NVMe na mallakar WD Black SN750. Sabili da haka, dole ne ku yi aiki tare da shi ta hanyar daidaitaccen direban tsarin aiki, a cikin kaddarorin, don haɓaka aiki da aiki a cikin maƙasudai na gama gari, ana ba da shawarar duba akwatin kusa da zaɓin "Kwashe ɓatar da buffer rikodin rikodin Windows. don wannan na'urar."

source: 3dnews.ru