Iyo 2018 yapfuura yave nguva yekukura kwakanyanya kweNVMe madhiraivha. Munguva ino, vagadziri vazhinji vakagadzira uye vakaunza zvigadzirwa zvakasimudza zvakanyanya huwandu hwese hwemhinduro dzinoshanda kuburikidza nePCI Express bhazi. Kuita kwemutsara kwepamusoro NVMe SSD kwakatanga kusvika pakubuda kwePCI Express 3.0 x4 interface, uye kumhanya kwekuita zvisina tsarukano kwakawedzera zvakanyanya zvichienzaniswa nezvipiriso zvezvizvarwa zvakapfuura.
Mukuona kweizvi, hazvishamisi zvachose kuti mhinduro dzakawanda dzinonakidza dzakauya kumusika. Madhiraivha emutengi akanakisa gore rapfuura aigara achibudirira Intel SSD 760p, WD Black NVMe uye ADATA XPG SX8200, uye vese vakatarisa padanho rekare NVMe modhi sevamiriri vechizvarwa chitsva chose - kuwedzera kwehunhu hwekumhanya kwaive kwakakomba. . Chiratidzo cheshanduko yaive zvakare chokwadi chekuti kekutanga mumakore akati wandei, Samsung yakarasa zita remupi weanonyanya kunakidza-akagadzirwa maSSD: iyo Samsung 960 EVO drive, iyo yakapihwa kwairi gore rapfuura, yakasvika kure. kubva pane yakanakisa sarudzo nekuda kwekuwedzera kwekuita kwevakwikwidzi. Uye zvaiita sekunge kukura kwakasimba kwanga kwatanga hakuchakwanisa kumiswa, uye muna 2019 kuvandudzwa kuri kuita kweakawanda-akagadzirwa NVMe SSD kwaizoenderera mberi.
Zvisinei, mwedzi yekutanga yegore rino inoratidza zvinopesana: zvinoratidzika kuti vagadziri vakaparadza zvose zvavanoedza pakubudirira kwegore rapera, uye zvakanyanya zvatinogona kuona munguva pfupi iri kutevera zvishoma nezvishoma kune zvigadzirwa zvegore rapera. Iwe haufanirwe kutarisa kure kune mienzaniso. Nhasi tichatarisa kuWestern Digital's ichangoburwa NVMe SSD, iyo WD Black SN750, uye ichi ndicho chigadzirwa chechitatu chitsva gore rino chakagadzirwa pasina kuita chero shanduko yakakosha kune yekutanga kuvaka kwedhiraivha. Muzvigadzirwa zvatinosangana nazvo gore rino, vagadziri havatibatise nemaitiro matsva uye mhinduro dzehardware. Zvese zvinogumira kungave kushandura flash memory kune mamwe marudzi echizvino-zvino, kana kunyangwe chete kune optimizations padanho re firmware.
Zvisinei, hatidi kutaura kuti nzira yakadaro sezviri pachena haigoni kupa migumisiro yakanaka. Kune muenzaniso wakakwana: iyo itsva Samsung 970 EVO Plus drive, iyo inosiyana neyakatangira nekutsiva yekare 64-layer neazvino 96-layer TLC 3D V-NAND, zvisingatarisirwe kuseta mabhenji ekuita emutengi NVMe SSD musika. chikamu.
Asi izvi hazviiti nguva dzose uye kwete kune vose. Semuenzaniso, iyo itsva vhezheni yeADATA XPG SX8200 drive, iyo yakagamuchira iyo yekupedzisira Pro muzita rayo, yakagamuchira yakadaro firmware optimizations zvekuti zvingave nani kusave nazvo. Iyo dhiraivha yave kukurumidza kupfuura yakaitangira chete mumabhenji, asi haina kupa chero shanduko chaiyo mukumhanya kana mamwe maitiro.
Zvakaitwa neWestern Digital pakutanga kutarisa zvinotaridzika semaitiro eADATA. Icho chokwadi ndechekuti WD Nhema SN750 inofananidzira yegore rapfuura WD Black NVMe drive (yaive nenhamba yemhando SN720) ine yakagadziriswa firmware. Nekudaro, ngatisamhanye kune mhedziso; ndiani anoziva kuti izvi zvinogona kukanganisa sei kuita. Mushure mezvose, Western Digital yakambotipa kushamisika kusingatarisirwi uye kunofadza apo, kutevera inononoka uye isingashamisi yekutanga vhezheni yeWD Black PCIe, iyo yechipiri vhezheni yeWD Black NVMe yakaburitswa, iyo yakachinja zvese ikava mumwe weakanakisa mutengi NVMe SSDs. yegore rapfuura. Nokudaro, pakarepo shanduro yechitatu ye "black" Western Digital drive yasvika kuRussia, takabva tasarudza kuiedza. Ngationei, pamwe Western Digital yakakwanisa kubuda Samsung zvakare uye kuita chimwe chinhu chinonakidza kupfuura Samsung 970 EVO Plus?
Technical specifications
YeBlack NVMe drive (SN720) yakaburitswa gore rapfuura, Western Digital yakagadziridza zvizere chikuva chehardware. Mugadziri akasvika pakuvandudzwa kweiyi SSD aine mutoro wese: yakasarudzika modular controller yakatosikirwa iyo, iyo, sezvayakarongwa pakutanga, mukusiyana kwakasiyana, yaifanirwa kuparadzira zvishoma nezvishoma nzvimbo yayo kune mamwe maNVMe SSD ekambani. Iyo nyowani Nhema SN750 yatiri kutaura nezvayo nhasi ndeyechokwadi zvachose kune yekutanga dhizaini: chikamu chayo kiyi inogarwa nhaka kubva kune yakatangira. Iyo inoshandisa zvakare imwechete tri-core 28nm controller, yakagadzirwa neSanDisk engineering timu yakauya pasi pebapiro reWestern Digital.
Nekudaro, kusagadziriswa kwemutongi hakugone kutorwa sechinhu chakashata. Iyo SanDisk chip yakanyatsoita zvakanaka mu2018 Black NVMe, uye kunyangwe iine nhamba diki yeARM Cortex-R cores, yakapa kuita kwakanaka kwazvo pasina matambudziko.
Iyo SSD uye flash memory hazvina kuchinja zvichienzaniswa neshanduro yapfuura. Pese ipapo uye ikozvino, Western Digital inoshandisa proprietary 64-layer BiCS3 memory (TLC 3D NAND) ine 256-gigabit chip saizi yechigadzirwa chayo. Uye nguva ino, kutaura chokwadi, inomutsa mibvunzo mikuru. Icho chokwadi ndechekuti Western Digital yakazivisa kutongwa kwekuburitswa kweiyo yepamusoro 96-layer yechina chizvarwa flash memory (BiSC4) kumashure pakati pegore rapfuura. Uye zvingave zvine musoro kana chaizvo rudzi urwu rwendangariro rwakaonekwa mune yanhasi vhezheni yekambani mureza wekutyaira. Zvakare, Western Digital's mugadziri wekugadzira, Toshiba, akatanga kugovera madhiraivha akavakirwa paBiCS4 ndangariro kumashure munaGunyana gore rapfuura (iyo inoenderana modhi inonzi XG6). Nekudaro, chimwe chinhu chakashata kuWestern Digital, uye shanduko ye96-layer flash memory haina kuitika, semhedzisiro iyo iyo itsva Black SN750, maererano nekugadziriswa kwehardware, yakave yakafanana zvachose neyakapfuura vhezheni ye. iyo "dema" mureza.
Mukudzivirira chigadzirwa chayo chitsva, mugadziri anoti shanduko dzakakomba dzakaitwa padanho re firmware, uye iyo yakagadziridzwa software chikamu chinogona kupa budiriro muzviratidzo zvekumhanya. Nekudaro, zvakakosha kuyeuka pano kuti SanDisk controller pakavakirwa Western Digital madhiraivha inoratidzwa nekuitwa kwehardware kwealgorithms mazhinji ayo anowanzo shandiswa software.
Uye chokwadi ichi chinokanda kusahadzika kuti kuita kwenhengo inotevera yemhuri yevatema kunogona kunyatso kuvandudzwa neimwe mhando ye firmware optimization. Asi, sezviri pachena, dhipatimendi rekushambadzira reWestern Digital harigoverane nekupokana kwedu. Rondedzero yehunhu hwechigadzirwa chitsva inounganidzwa sekunge iyo Nhema SN750 iri nani inooneka chigadzirwa kana ichienzaniswa neyekare Nhema NVMe. Kumhanya kwakayerwa kwekuverenga nekunyora zvisina tsarukano, pamwe nekumhanya kwediki-block kuverenga, maererano nedata repamutemo, yakawedzera ne3-7%. Uye kuita panguva yekurekodha kwakangoerekana kwawedzera kusvika ku40%, iyo inofanirwa kuve nechokwadi chekuita kuri nani kweiyo modhi nyowani mumamiriro chaiwo.
Kana tikataura nezve nhamba dzakananga, saka izvo zviri pamutemo zvakatemwa zveWD Black SN750 zvakatora pane inotevera fomu.
| Manufacturer | Western Digital | |||
| Series | WD Nhema SN750 NVMe SSD | |||
| Nhamba yemuenzaniso | WDS250G3X0C | WDS500G3X0C WDS500G3XHC |
WDS100T3X0C WDS100T3XHC |
WDS200T3X0C WDS100T3XHC |
| Chinhu chinhu | M.2 2280 | |||
| inowanikwa | PCI Express 3.0 x4 - NVMe 1.3 | |||
| Kugona, GB | 250 | 500 | 1000 | 2000 |
| Kugadziriswa | ||||
| Memory chips: mhando, process tekinoroji, mugadziri | SanDisk 64-layer BiCS3 3D TLC NAND | |||
| Mutungamiriri | SanDisk 20-82-007011 | |||
| Buffer: mhando, vhoriyamu | DDR4-2400 256 MB |
DDR4-2400 512 MB |
DDR4-2400 1024 MB |
DDR4-2400 2048 MB |
| Kubudirira | ||||
| Max. yakatevedzana kuverenga kumhanya, MB/s | 3100 | 3470 | 3470 | 3400 |
| Max. yakatevedzana kunyora kumhanya, MB/s | 1600 | 2600 | 3000 | 2900 |
| Max. kukurumidza kuverenga (zvidhinha zve4 KB), IOPS | 220 000 | 420 000 | 515 000 | 480 000 |
| Max. Kumhanya kwekunyora zvisina tsarukano (mabhuraki e4 KB), IOPS | 180 000 | 380 000 | 560 000 | 550 000 |
| hunhu | ||||
| Simba rekushandisa: zvisina basa / kuverenga-kunyora, W | 0,1/9,24 | |||
| MTBF (zvinoreva nguva pakati pekutadza), maawa emamiriyoni. | 1,75 | |||
| Zvekurekodha, TB | 200 | 300 | 600 | 1200 |
| Zviyero zvakazara: LxHxD, mm | 80 x 22 x 2,38 - isina radiator 80 x 24,2 x 8,1 - ine radiator |
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| Kurera, g | 7,5 - pasina radiator 33,2 - ine radiator |
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| Warranty nguva, makore | 5 | |||
Tichifunga kuti kuvandudzwa kwese kwekuita kunowanikwa kuburikidza nekugadzirisa firmware chete, mubvunzo wepanyama unomuka wekuti iyo yakatoburitswa 2018 WD Black NVMe ichawana kuvandudzwa kwakafanana. Uye zvinosuruvarisa, mhinduro ndeyokuti kwete. Western Digital yakaramba kutsanangura zvakananga kuti sei iyo SN750 firmware isingagone kushandiswa muSN720, asi isu tinotenda kuti iyo itsva firmware inosundira mutongi kune yakakwira wachi yekumhanya, uye kuona kuti izvi hazvikonzere matambudziko, mitemo yakasimba inoiswa kune SN750 machipisi panguva yekugadzira zvinodiwa zvemhando ye semiconductor makristasi. Muchokwadi, Western Digital nguva pfupi yadarika yakawedzera yakaderera-level NVMe mhinduro kune yayo chigadzirwa renji, iyo Blue SN500, uye nekuda kweizvi, kambani ikozvino yave nemukana wechisikigo wekusiyanisa vatongi zvichienderana nesilicon mhando pasina kuwedzera chirema.
Pamwe nekuwedzera frequency yekudzora, kurongekazve kwemisimboti yekushandisa yeSLC caching inogonawo kubatsira kuvandudza mashandiro eBlack SN750. Kana tikataura nezveBlack NVMe, iyo SLC cache mune iyi drive haina kuita senge ichiita. Vagadziri vakashandisa iyo yakapfava static scheme, uye huwandu hweflash memory inoshanda mune yakakurumidza modhi yaive diki - ingangoita 3 GB yega yega 250 GB yeSSD simba. Asi iyo itsva vhezheni yeBlack SN750, zvinosuruvarisa, haina kugamuchira chero yakakosha kuvandudzwa munzira iyi. Iyo SLC cache inoshanda zvakare panzvimbo yakagadziriswa ye flash memory array yehukuru hwakafanana. Nekuda kweizvozvo, zvese zvichemo zvekare nezve Black SN750 SLC cache zvinosara.
Semufananidzo, heino girafu rechinyakare rinoratidza kuti mashandiro eiyo yakagadziridzwa hafu-terabyte WD Black SN750 modhi inotaridzika sei panguva yekuenderera mberi kwekurekodha.
Chokwadi, iyi girafu inenge yakanyatsofanana neyakatevedzana kunyora yekumhanyisa girafu yatakagamuchira yeWD Black NVMe. Uyezve, izvi zvinoshanda kwete chete kune huwandu hwe data mushure mekurekodha uko kune kuderera kwekuita, asiwo kune yakakwana kukosha kwekurekodha kumhanya.
Asi iyo itsva WD Black SN750 ichiri kupa humwe hutsva hwakakomba. Semuenzaniso, 2 TB drive vhezheni yave kubuda mumutsara. Zvisinei, iwe unofanirwa kuyeuka kuti kuigadzira, mugadziri aifanira kushandisa 512-gigabit chips panzvimbo ye 256-gigabit, uye izvi, sezvinowanzoitika mumamiriro ezvinhu akadaro, hazvina kunaka pakuita. Kunyangwe zvinoenderana nerondedzero yepasipoti, 2 TB drive inononoka pane 1 TB drive.
Yechipiri yakakosha hunyanzvi kutaridzika kweyakakosha modhi yemitambo paSSD (Gaming Mode), yakanangwa kune vanofarira vanoda kuwana yakanyanya kunaka kuita. Mariri, mabasa ekuchengetedza simba (Autonomous Power State Transitions) akaremara kudhiraivha, izvo zvinobvumira kuderedza kunonoka panguva yekutanga kuwana data. Mutambo wemutambo weBlack SN750 unogoneswa mune yekubata Western Digital SSD Dashboard utility, uko inoenderana switch ikozvino yawedzerwa.
Nekudaro, haufanirwe kufunga kuti Gaming Mode imwe mhando yemashiripiti tekinoroji inogona kushandura mamiriro ekuita. Miedzo inoratidza kuti kuwedzera kwezviratidzo kunenge kusingaoneki. Shanduko diki dzezviri nani dzinoonekwa chete mumabhenji ekugadzira uye chete nediki-block mashandiro pasina mutsara wekukumbira.
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Nekudaro, kune desktop masisitimu isu tinoramba tichikurudzira kumisikidza iyo yakatanga yakaremara Gaming Mode. Iyo ichiri kupa kusimudzira kwekuita, kunyangwe idiki. Panguva imwecheteyo, iyi modhi haina kuunza chero mhedzisiro yakaipa, kunze kwekuwedzera kudiki kwesimba rekushandisa, izvo zvisingakwanisi kuoneka mumakomputa edesktop.
Kana zviri zvewaranti mamiriro uye yakaziviswa sosi, mune izvi WD Black SN750 yakafanana zvachose neyekare modhi. Nguva yewaranti inotarwa kune akajairika makore mashanu, panguva iyo mushandisi anobvumidzwa kunyora zvachose drive ka600. Kusarudzika kunongoitirwa iyo diki vhezheni ine huwandu hwe250 GB: iyo sosi inowedzerwa kusvika 800 nguva iyo SSD inonyora zvakare mukati mehupenyu hwesevhisi.
Kuonekwa uye kurongeka kwemukati
Sezvinotevera kubva pane zvese zviri pamusoro, iyo WD Nhema SN750 ingori diki yekuvandudza yeiyo yapfuura WD Nhema NVMe ine diki runyoro rwekuchinja. Naizvozvo, hazvishamise kuti mavhezheni ekare uye matsva edhiraivha akafanana maererano nePCB dhizaini. Dhizaini yayo haina kushanduka zvachose, uye zvichave zvisingaite kusiyanisa modhi nyowani kubva kune yekare kana iwe ukabvisa chinonamirwa kubva pairi.
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Iyo SSD ine dhizaini-yedivi dhizaini inobvumira kuti ishandiswe mu "low profile" slots. The proprietary SanDisk controller 20-82-007011 iri pakati pebhodhi, uye maviri flash memory chips ari kumucheto kweM.2 module. Izvi zvakaitwa nemaune - Western Digital mainjiniya akafunga kuti neiyi dhizaini yakadhindwa redunhu bhodhi ine yakapfava topology, uye zvakare inogadzirisa kupisa singi nyaya zvinobudirira.
Takaedza 500 GB drive, uye iyo flash memory array pairi yakave yakagadzirwa nemachipi maviri, imwe neimwe yaive nesere 64-layer 256 Gbit 3D TLC NAND makristasi (BiCS3) akagadzirwa neSanDisk. Nekuda kweizvozvo, iyo sere-chiteshi controller inosanganisirwa mudhiraivha iri kutariswa inoshandisa kaviri kupindirana kwemidziyo muchiteshi chega chega. Izvi zvinowanzokwana kuti SSD hardware platform isvike pakukwanisa kwayo kuzere.
A DRAM buffer chip inoiswa padivi pemutongi, izvo zvinodiwa kukurumidza kushanda netafura yekushandura kero. Ichi ndicho chega chikamu muWD Nhema SN750 icho mugadziri anotenga kunze. Muchiitiko ichi, SK Hynix chip ine huwandu hwe512 MB inoshandiswa, uye chinotariswa chiri pane yakakwira-kumhanya ndangariro - DDR4-2400.
Nekudaro, hapana chitsva mune zvese izvi; takaona chinhu chimwe chete patakajairana neWD Black NVMe. Asi Western Digital yakaedza kutsiva kushomeka kweshanduko mukugadziriswa kwehardware pamwe nekumwe shanduko kunze. Mufananidzo wemutambo wakasarudzwa weWD Black SN750, uye unosimbiswa munzira dzese dziripo: kutanga pane zvese, nedhizaini yekurongedza uye chechipiri nenzira iyo inonamirwa yeruzivo paSSD.
Bhokisi reWD Nhema SN750 rinogadzirwa mune dema color scheme, iro rakatsiva bhuruu nechena dhizaini, monospace font inoshandiswa zvakanyanya mukugadzira, uye zita rekutyaira rave kunyorwa seWD_BLACK.
Iyo inonamirwa padhiraivha zvakare yakagadzirwa nenzira yakafanana, asi isina zvikanganiso. Nekudaro, anogona kuregererwa nekuda kweizvi, nekuti mugadziri aifanira kuisa yakawanda yepamutemo ruzivo, logos uye barcode pairi.
Sezvo iyo Nhema SN750 yakanyatso kunanga kune vanofarira, zvingave zvine musoro kana chinamirwa chakaitwa pachigadziko chefoil, icho vamwe vagadziri vanosarudza kuvandudza kupisa kupisa kubva kumachipisi paSSD board. Asi vagadziri veWestern Digital vakasarudza kutarisana nenyaya yekutonhodza zvakanyanya, uye kune avo vari kunetseka zvakanyanya nezve nyaya yekutonhora, vakaita shanduko yakaparadzana yeBlack SN750 ine radiator yakazara-yakazara.
Iyi vhezheni chigadzirwa chakasiyana chinodhura $20-$35 zvimwe. Nekudaro, Western Digital inotenda kuti zvechokwadi pane chimwe chinhu chekubhadhara pano. Mushure mezvose, heatsink inoshandiswa haisi nyore, isingashande kupisa-kupisa kapu, iyo, semuenzaniso, makambani echitatu-tier anoda kuisa paNVMe SSDs. MuBlack SN750 inzvimbo yakakura kwazvo yealuminium nhema, chimiro chayo chakashandwa nevatenzi vehunyanzvi hwavo - vakakokwa nyanzvi kubva kukambani yeEKWB.
Software
Western Dhijitari madhiraivha anogara achiuya neakaenzana evaridzi SSD Dashboard sevhisi utility, iyo inoshandisa ese ekutanga mabasa ekuvashandira. Asi nekuburitswa kweiyo nyowani vhezheni yemureza NVMe SSD, yachinja zvinooneka: ine rima vhezheni yeshanduro, iyo inongobatidzwa otomatiki kana iyo yekushandisa ikaona mutambo weBlack SN750 muhurongwa.
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Panguva imwecheteyo, kugona kwekushandisa kunoramba kwakafanana zvachose, uye hazvibviri kushamisa chero munhu. Muchokwadi, iyo chete Gaming Mode switch inowedzerwa kune yakajairwa seti yemabasa. Asi izvi hazvireve kuti isu hatigutsikane nechero chinhu: hapana zvichemo pamusoro peiyo SSD Dashboard chirongwa, nekuti inoramba iri imwe yeakazara-akazara-akazara masevhisi emhando yerudzi rwayo.
Izvo zvakakosha zveSSD Dashboard: kuwana ruzivo nezve SSD yakaiswa muhurongwa, kusanganisira data pane yakasara sosi uye tembiricha mamiriro; real-time monitoring ye drive performance; Firmware update kuburikidza neInternet kana kubva kune faira; kuita Chengetedza Erase oparesheni uye kudzima chero data kubva kuflash memory nekuimanikidza kusvika zero; Mhanya bvunzo dzeSMART uye tarisa SMART hunhu.
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Zvakakosha kucherechedza kuti mikana yekududzira SMART maparameter akaiswa muSSD Dashboard akati pfume pane ruzivo rwunogona kuwanikwa kubva kuzvirongwa zvebato rechitatu.
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Asi hapana muridzi weNVMe mutyairi weWD Black SN750. Naizvozvo, iwe uchafanirwa kushanda nayo kuburikidza neyakajairwa sisitimu mutyairi, mune izvo, kuti uwedzere mashandiro uye kuita mumabhenji akajairwa, zvinokurudzirwa kutarisa bhokisi riri padivi pechisarudzo "Dzinga kutsvaira Windows rekodhi cache buffer. yemudziyo uyu."
Source: 3dnews.ru