Inqaku elitsha: Uphononongo lwe-Transcend MTE220S NVMe SSD drive: ngexabiso eliphantsi ayithethi into embi

Kwenzeka njalo ukuba abo bavelisi be-SSD abangekawafumani amaqela abo okuphuhlisa isilawuli, kodwa kwangaxeshanye abafuni ukuphulukana nombono wentengiso ye-SSD yabo banomdla, abanalo naluphi na ukhetho olukhethekileyo namhlanje. Inketho efanelekileyo kubo, ebavumela ukuba baququzelele indibano yeedrive ezinemveliso ngokwenene kunye ne-NVMe interface, inikezelwa yinkampani enye kuphela - iSilicon Motion, ekulungele ukubonelela ngezisombululo ezinzima ezivela kumlawuli wayo kunye ne-firmware esele yenziwe kuye wonke umntu. Ezinye iinkampani, ezinje ngePhison okanye iRealtek, nazo zineetshiphusi ezisisiseko ezikhoyo esidlangalaleni zokudibanisa iidrive zeNVMe, kodwa yiSilicon Motion ekhokele kule ndawo, inika amaqabane kungekuphela nje ukusebenza ngakumbi, kodwa kunye nezisombululo ezikhawulezayo.

Kwangaxeshanye, phakathi kweentlobo ngeentlobo zeedrive zeNVMe ezakhiwe ngokwesiseko sabalawuli beSilicon Motion, ayizizo zonke iimodeli ezinokuba nomdla kwabo banomdla. Le nkampani ivelisa uluhlu olubanzi lweechips ezinamanqanaba ahlukeneyo okusebenza, kodwa amaqonga akhethiweyo kuphela anokubonelela ngokusebenza okufaneleyo kwe-SSD kuqwalaselo oluphambili okanye oluphezulu. Ngokukodwa, kulo nyaka uphelileyo sathetha ngokufudumeleyo malunga nesilawuli se-SM2262: ngokwemigangatho ye-2018, yayibukeka inomtsalane kakhulu, ivumela iidrives ezisekelwe kuyo ukuba ziqhube ngokulinganayo kunye nomthengi ongcono kakhulu we-NVMe SSDs evela kubavelisi bokuqala, kuquka. Samsung, Western Digital kunye Intel.

Kodwa kulo nyaka imeko itshintshile ngandlel' ithile, njengoko abavelisi abahamba phambili behlaziye iimodeli zabo zobunzima obuphezulu. Ukuphendula oku, i-Silicon Motion yaqala ukunika amaqabane inguqu ephuculweyo yomlawuli wonyaka ophelileyo, i-SM2262EN, ekwathembisa ukwanda kweeparamitha zokusebenza - ngokukodwa kwisantya sokurekhoda. Kuyavela ukuba iidrive ezisekelwe kule chip kufuneka zibe nomdla kubathengi namhlanje abalindele ukuba ne-NVMe drive yangoku kunye nekhawulezayo, kodwa kwangaxeshanye abafuni ukuhlawula ngaphezulu ngokuba nemveliso ye-A-brand. .

Kuze kube kutshanje, baninzi abavelisi abasebenzisa umlawuli omtsha we-SM2262EN kwiimveliso zabo. Ngapha koko, ukhetho lwehla kwiinketho ezimbini: ADATA XPG SX8200 Pro kunye neHP EX950. Kodwa ngoku idrayivu yesithathu esekwe kule chip iye yavela-i-Transcend iye yakwazi ukuveliswa kwayo. Siza kuqhelana nale mveliso intsha, ebizwa ngokuba yiTranscend MTE220S, kolu hlaziyo.

Igalelo ledatha yalo mqhelwa ngolu hlobo lulandelayo. I-HP EX950 ayibonelelwanga eRashiya, kodwa ADATA XPG SX8200 Pro kuvavanyo lwethu lwamva nje aluzange lubonise naziphi na iikhadi zexilongo ezikhethekileyo, ezibonelela ngokusebenza kwinqanaba lokuqhuba kwisilawuli sangaphambili se-SM2262. Kwaye oku kuthetha ukuba, ngaphandle kokuvela kwenguqulelo entsha yesilawuli seSilicon Image, akukho NVMe SSD ezinokukhuphisana nentsha. I-Samsung 970 EVO Plus , asikayiboni okwangoku. Nokuba i-Transcend MTE220S ijika ibe lukhetho olunomdla ngakumbi xa kuthelekiswa ne-ADATA XPG SX8200 Pro yinto esiza kuyifumana kolu hlaziyo. Kodwa kufuneka kugxininiswe ngokukhawuleza ukuba nokuba le SSD ayibonisi iiparamitha zayo zesantya, isenokubonakala inomdla kakhulu. Emva kwayo yonke loo nto, i-Transcend yayiza kuyithengisa ngexabiso eliphantsi ngokumangalisayo-ubuncinci ubuncinci kwi-drive epheleleyo ene-PCI Express 3.0 x4 interface, i-buffer ye-DRAM kunye nememori ye-TLC enamacala amathathu.

Iinkcukacha zobugcisa

Sele sithethile ngokweenkcukacha malunga nokuba yintoni isilawuli se-SM2262EN xa siqhelana ne-ADATA XPG SX8200 Pro. Kwicala lobuchwephesha, le chip yakhiwe kwiicores ezimbini ze-ARM Cortex, isebenzisa ujongano lwetshaneli ezisibhozo ukulawula imemori ye-flash, ine-DDR3/DDR4 ujongano lwe-buffer, kwaye ixhasa i-PCI Express 3.0 x4 ibhasi kunye ne-NVM Express 1.3 protocol. . Ngamanye amagama, esi sisisombululo sale mihla kwaye sigcwele ngokupheleleyo kwiidrive ze-NVMe, ezikwanezalathisi zentsebenzo zethiyori ezilungileyo kakhulu kwaye zixhasa iindlela zokulungisa iimpazamo.

Ekuqaleni, umlawuli we-SM2262EN waziswa emva ngo-Agasti 2017, kwangaxeshanye ne-SM2262 "elula", kodwa wanikwa njengenguqulo "ephambili", ukuhanjiswa kwayo kwakuza kuqala kamva. Kuyabonakala ukuba, iSilicon Motion yayiza kuyibamba de kuvele i-96-layer TLC 3D NAND kwimarike, emva koko ibonelele ngezisombululo ezikhawulezayo zokuphela ukuya esiphelweni kunye nenkumbulo exineneyo. Nangona kunjalo, esi sicwangciso siphumelele ngenxa yokutshintsha kweendlela zentengiso: iitshiphusi ze-NAND zaqala ukuba zingabizi kakhulu, kwaye abavelisi bememori bagqibe kwelokuba balibazise ukuqaliswa kwetekhnoloji entsha. Ngenxa yoko, iSilicon Motion yadinwa kukulinda kwaye yakhulula i-SM2262EN njengohlaziyo lwe-SM2262 njengenxalenye yeqonga eligxile ekusebenzeni ne-64-layer TLC 3D NAND.

Ngexesha elifanayo, ukuba ukholelwa kwiinkcazo ezisemthethweni, inguqu yeqonga kunye nomlawuli we-SM2262EN usathembisa ukuphuculwa komsebenzi: ukuya kwi-9% yokufunda ngokulandelelana, ukuya kwi-58% yokubhala ngokulandelelana, ukuya kwi-14% yokufunda ngokungaqhelekanga kunye ukuya kuthi ga kwi-40% yokubhala ngokungacwangciswanga. Kodwa ukuba uyakholelwa kula manani, ngoko ngononophelo olukhulu. Abaphuhlisi bathetha ngokuthe tye - i-SM2262EN ayithethi naluphi na utshintsho kwisakhiwo se-hardware, isebenzisa ulwakhiwo olufanayo njenge-SM2262 eqhelekileyo. Zonke izibonelelo zisekelwe kwiinguqu kwisofthiwe: iiplatifomu ezinomlawuli omtsha zisebenzisa ukurekhoda okuyinkimbinkimbi kunye ne-SLC caching algorithms. Ngamanye amazwi, sithetha ngolunye uhlobo lokuzama ukusika iikona, kwaye kungekhona malunga nokuba iinjineli zikwazi ukwenza uhlobo oluthile lwempumelelo kwiindlela zokusebenza.

Sele sibonile ukuba oku kuthetha ukuthini xa sivavanya i-ADATA XPG SX8200 Pro ngokusekelwe kumlawuli we-SM2262EN. Le drive yayikhawuleza kuneyandulelayo kwi-chip ye-SM2262 kuphela kwiibhentshi, kodwa ayizange ibonelele naluphi na uphuculo olubonakalayo ekusebenzeni kwehlabathi lokwenyani. Nangona kunjalo, ngeTranscend MTE220S ibali lahluke kancinane. Le drive ayinazo naziphi na izalamane ezisondeleyo kuluhlu lwemodeli, kwaye kwiTranscend le yimodeli entsha ngokupheleleyo. Uthathela ingqalelo into yokuba ngaphambili lo mvelisi wayenenqanaba lokungena le-NVMe SSD kuluhlu lwayo, iinkcukacha ze-MTE220S zikhangeleka zinomtsalane.

Umenzi	Dlulisa
Uchungechunge	I-MTE220S
Inombolo yomzekelo	Umfanekiso we-TS256GMTE220S	Umfanekiso we-TS512GMTE220S	TS1TMTE220S
Into yefom	M.2 2280
ujongano	I-PCI Express 3.0 x4 - NVMe 1.3
Umthamo, GB	256	512	1024
Isimo
Iitshiphusi zememori: uhlobo, ujongano, inkqubo yetekhnoloji, umenzi	IMicron 64-layer 256Gb TLC 3D NAND
Umlawuli	I-SMI SM2262EN
Isithinteli: uhlobo, umthamo	DDR3-1866 256 MB	DDR3-1866 512 MB	DDR3-1866 1024 MB
Imveliso
Max. isantya sokufunda esilandelelanayo esizinzileyo, MB/s	3500	3500	3500
Max. isantya sokubhala esilandelelanayo esizinzileyo, MB/s	1100	2100	2800
Max. isantya sokufunda ngokungahleliwe (iibhloko ze-4 KB), IOPS	210 000	210 000	360 000
Max. isantya sokubhala ngokungahleliwe (iibhloko ze-4 KB), IOPS	290 000	310 000	425 000
Iimpawu zomzimba
Ukusetyenziswa kwamandla: ukungasebenzi / ukufunda-ukubhala, W	N / A
I-MTBF (ixesha eliqhelekileyo phakathi kokusilela), iiyure ezizigidi	1,5
Isixhobo sokurekhoda, i-TB	260	400	800
Imilinganiselo xa iyonke: LxHxD, mm	80 × 22 × 3,5
Ubunzima g	8
Ixesha lewaranti, iminyaka	5

Okubangela umdla kukuba, ukusebenza okuxeliweyo kwe-Transcend MTE220S kusezantsi kancinci kunezantya ezathenjiswa yi-ADATA ngokuqhuba kwayo okufanayo ngokusekwe kumlawuli we-SM2262EN. Kubonakala ukuba oku kungenxa yokuba, nangona i-MTE220S isebenzisa i-hardware efanayo kunye neqonga lesofthiwe, uyilo lwayo luhluke kwireferensi enye. Ukuqhuba kwayo, i-Transcend yenzelwe ibhodi yayo yesekethe eprintiweyo, apho, ukuze kuncitshiswe iindleko, iye yayeka ukusetyenziswa kwe-32-bit DRAM buffer interface ithanda ukonga ngakumbi, uqhagamshelo lwe-16-bit. Ngenxa yoko, isantya esiphezulu sokufunda nokubhala okungahleliwe siyancitshiswa, kwaye oku kubonakala ngokukodwa kwi-512 GB version ye-drive.

Nangona kunjalo, i-caching ye-SLC kwi-Transcend MTE220S isebenza ngokufanayo nakwezinye iidrive ezinomlawuli we-SM2262EN. I-cache isebenzisa iskimu esiguqukayo xa inxalenye yememori ye-TLC esuka kuluhlu oluphambili ikhutshelwa kwimo ekhawulezayo ye-bit enye. Ubungakanani be-cache bukhethiwe ukwenzela ukuba malunga nesiqingatha sememori ye-flash yasimahla isebenza kwimo ye-SLC. Ngaloo ndlela, ngesantya esiphezulu, i-MTE220S inokurekhoda umthamo wedatha malunga nesinye kwisithandathu ubukhulu bendawo ekhoyo kwi-SSD, kodwa ke isantya siya kuncipha kakhulu.

Oku kunokubonakaliswa yigrafu elandelayo, ebonisa ukuba ukusebenza kokubhalwa ngokulandelelana okuqhubekayo kutshintsha njani kwi-Transcend MTE220S engenanto enomthamo we-512 GB.

Kwimodi ekhawulezileyo, xa ukurekhoda kwenzeka kwimodi ye-SLC, i-512 GB version ye-MTE220S inikezela ukusebenza kwe-1,9 GB / s. Kwimo ye-TLC, uluhlu lwememori ye-flash lusebenza ngokukhawuleza, kwaye emva kokuba indawo ekhululekile kwi-cache ye-SLC iphelile, isantya sehla kwi-460 MB / s. Igrafu ibonisa kwakhona inketho yesithathu yesantya - 275 MB / s. Ukusebenza ngexesha lokubhala ngokulandelelana kuncipha kule xabiso kwimeko xa kungekho memori ye-flash yasimahla eshiyekileyo, kwaye ukuze ubeke idatha eyongezelelweyo kuyo, umlawuli kufuneka kuqala aguqule iiseli ezisetyenziselwa i-cache ye-SLC kwi-TLC eqhelekileyo - indlela. Ngenxa yoko, kuvela ukuba isantya esiqhubekayo sokurekhoda kwi-Transcend MTE220S 512 GB "ukususela ekuqaleni ukuya ekupheleni" malunga ne-410 MB / s, kwaye kuthatha ubuncinane imizuzu engama-21 ukugcwalisa ngokupheleleyo le drive ngedatha. Esi ayisosibonakaliso esinethemba kakhulu: umzekelo, i-Samsung 970 EVO Plus efanayo inokuzaliswa ngokupheleleyo kwimizuzu nje eli-10.

Kwangaxeshanye, i-Cache ye-Transcend MTE220S SLC inento efanayo eyodwa esiyifumene kwi-ADATA XPG SX8200 Pro. Idatha evela kuyo ayidluliselwa kwimemori eqhelekileyo ngokukhawuleza, kodwa kuphela xa ingaphezulu kweekota ezintathu. Oku kukuvumela ukuba ufezekise isantya sokufunda esiphezulu xa ufikelela kwiifayile ezisandul’ ukubhalwa. Eli nqaku alinangqiqo ekusebenziseni okwenyani kwe-SSD, kodwa inceda kakhulu i-drive kwiibhentshi zokwenziwa, eziziqhelanisa ngokuthe ngqo iimeko zokubhala-ukufunda.

Indlela oku kubonakala ngayo ekusebenzeni kunokuhlolwa ngokusebenzisa igrafu elandelayo yesantya sokufunda ngokungaqhelekanga xa ufikelela kwifayile, zombini ngokukhawuleza emva kokudalwa kwayo, kwaye xa, ngokulandela le fayile, enye ingcaciso engaphezulu yabhalwa kwi-SSD.

Apha unokubona ngokucacileyo umzuzu xa umlawuli ehambisa ifayile yovavanyo kwi-cache ye-SLC ukuya kwimemori ye-flash engundoqo, ekubeni isantya sokufunda ibhloko encinci kulo mzuzu sehla malunga ne-10%. Yiyo kanye esi santya sincitshisiweyo esiya kuthi abasebenzisi bajongane naso kuninzi lwamatyala, kuba akukho migaqo yokuhambisa idatha ukusuka kwimemori ye-TLC ukuya kwi-cache ye-SLC inikezelwe kwi-Transcend MTE220S firmware, kwaye iifayile zinokulibaziseka kwi-cache ye-SLC. kuphela ukuba i-drive ihleli ngaphezulu kwe-90 yepesenti yasimahla ngexesha lokusebenza.

Ngamanye amazwi, malunga nokusebenza kunye ne-cache ye-SLC, i-Transcend MTE220S ihluke kancinane kwezinye iidrive ezisekelwe kumlawuli we-SM2262EN. Kodwa oku akuthethi ukuba iyafana ne-ADATA XPG SX8200 Pro ngandlela zonke. Isiphakamiso se-Transcend sinenzuzo ebalulekileyo yomyalelo owahlukileyo - amanani aphezulu okubhala kwakhona avunyelwe yimiqathango yesiqinisekiso. Ngaphandle kokuyilahleka, i-drive ingabhalwa ngokupheleleyo ngedatha ngamaxesha angama-800, kunye nenguqulo ye-256 GB ngaphezu kwamaxesha e-1000. Ezo zalathisi zesixhobo esibhengeziweyo zisivumela ukuba sibe nethemba lokuba kwi-MTE220S umenzi uthenge imemori ekhanyayo yomgangatho ophezulu womgangatho, kwaye oku kuthetha ukuba ukuthembeka kokwenyani kwe-drive kunokwanelisa nakwabo basebenzisi abasathembi kakhulu i-TLC 3D NAND. .

Ukubonakala kunye nokuhlelwa kwangaphakathi

Ngolwazi olucacileyo, ngokwesiko, imodeli ye-Transcend MTE220S enomthamo we-512 GB yakhethwa. Ayizange ibonise naziphi na izinto ezimangalisayo ngokubonakala kwayo; kukuqhuba rhoqo kwifom ye-M.2 2280, esebenza nge-PCI Express 3.0 x4 ibhasi kwaye ixhasa i-NVM Express protocol version 1.3. Nangona kunjalo, uhlobo lokupakishwa kunye nokuhanjiswa kweseti ye-MTE220S ivuselela ubudlelwane obuqinileyo kunye neempahla zabathengi eziphantsi. Inkampani ithengise nokuba i-bufferless ye-SSD ye-SSD MTE110S kwibhokisi epheleleyo, kwaye imveliso entsha ekuthethwa ngayo, ebekwe njengesisombululo esiphezulu, yavela ukuba ifakwe kwi-blister, leyo, ngaphandle kwe-M.2 ibhodi yokuqhuba ngokwayo, ayinanto kwaphela. Konke oku kufana kakhulu nendlela amakhadi e-microSD anikezelwa ngayo kwimarike, kwaye, ngokucacileyo, kufeza injongo yokunciphisa iindleko eziphezulu. Nangona kunjalo, akukho mntu usenokukhetha i-SSD ngokusekwe kwipakethe yayo.

I-SSD ngokwayo ayinayo imbonakalo ecacileyo. Uyilo lwayo alubandakanyi nayiphi na i-radiator, kwaye isitika asinalo uluhlu lwe-foil yokuqhuba ukushisa. Ngokubanzi, i-Transcend MTE220S ijongeka ngakumbi njengemveliso ye-OEM kunesisombululo sabo bathanda. Olu luvo lugxininiswe yi-textolite yebhodi yesekethe eprintiweyo yombala oluhlaza okhohliweyo kunye neleyibhile ecocekileyo ye-utilitarian engenazo iimpawu zokuyila kwaye iqulethe ulwazi lwenkonzo kuphela.

Ubume bebhodi ye-MTE220S ayinakubizwa ngokuba yinto eqhelekileyo - ngokucacileyo, iinjineli zeTranscend ziyiguqulele ezinye zeemfuno zabo. Ubuncinci, i-ADATA XPG SX8200 Pro drive esiyiphononongileyo ngaphambili, ngaphandle kokusebenzisa iqonga le-hardware elifanayo, likhangeleka lahluke ngokupheleleyo. Nangona kunjalo, imveliso entsha ye-Transcend iye yagcina ilungiselelo eliphindwe kabini lamacandelo, ngoko i-MTE2S isenokungafaneleki "kwiprofayili ephantsi" ye-M.220 slots, efumaneka kwiilaptops ezincinci.

Uluhlu lwememori ye-flash ebekwe kwi-MTE220S 512 GB yenziwe ngeetshiphusi ezine ezineempawu zeTranscend. Kuyaziwa ukuba ngaphakathi kwezi chips kukho iikristale ezine ze-256-gigabit ze-64-layer Micron TLC 3D NAND inkumbulo yesizukulwana sesibini. Ukuthenga imemori enjalo kwiMicron ngendlela yeewafers eziqinileyo, kodwa kuthatha ukusika, ukuvavanywa kunye nokupakishwa kweekristale zesilicon kwiichips, ezivumela ukonga okongeziweyo kwemveliso.

Kuya kufuneka kwakhona ubeke ingqalelo kwi-chip ye-DDR4-1866 SDRAM, ebekwe kufutshane ne-SM2262EN yesiseko sokulawula chip. Isebenza njenge-buffer yokugcina ikopi yetafile yokuguqulela idilesi, kodwa into ebalulekileyo apha kukuba i-drive ekuthethwa ngayo ine-chip enye kuphela, eyenziwa yi-Samsung, enomthamo we-512 MB. Sitsala ingqalelo ngokuthe ngqo koku, kuba ezinye ii-SSD ezine-SM2262EN isilawuli zine-buffer ekhawulezayo ye-DRAM ehlala iqulathe iitshiphusi ezimbini ezinesiqingatha somthamo. Ngenxa yoko, i-Transcend MTE220S isebenza kunye ne-DRAM buffer nge-16-bit kunebhasi ye-32-bit, ethi ithiyori inokulimaza ukusebenza ngexesha leebhloko ezincinci. Nangona kunjalo, impembelelo yalo mbandela akufanele igqitywe: i-32-bit RAM ibhasi yinto ekhethekileyo yeqonga le-SM2262 / SM2262EN, ngelixa abanye abalawuli be-SSD basebenzisa i-DRAM buffer nge-16-bit yebhasi kwaye abahlupheki kule nto. zonke.

Software

Ukunikezela ngenkonzo yemveliso yayo, iTranscend ivelisa isixhobo esikhethekileyo seSSD Scope. Ubunakho bayo buphantse buqheleke kwiimveliso zesoftware zolu didi, kodwa eminye yemisebenzi yesiqhelo ayixhaswanga ngesizathu esithile.

I-SSD Scope ikuvumela ukuba ubeke iliso kwimeko yonke ye-drive kwaye uhlole impilo yayo ngokufikelela kwi-telemetry ye-SMART I-utility ibandakanya iimvavanyo ezilula zokusebenza, kunye nokujonga inguqulo ye-firmware kunye nokukwazi ukuyihlaziya.

I-utility nayo inesixhobo esakhelwe ngaphakathi sokwenza imixholo yediski edibeneyo, ekuvumela ukuba udlulise ngokukhawuleza kwaye ungabi buhlungu inkqubo yokusebenza kunye nezicelo ezifakwe kwi-SSD esanda kuthengwa. Ngaphezu koko, uMda we-SSD unokulawula ukuhanjiswa komyalelo we-TRIM kwi-drive.

Kwii-SATA SSDs, i-Scope inokubonelela ngoluhlu lwe-flash yokukhangela iimpazamo okanye inkqubo ye-flash ekhuselekileyo yokucima. Kodwa ngeTranscend MTE220S, yomibini le misebenzi ayisebenzi ngesizathu esithile.

umthombo: 3dnews.ru