{"id":32419,"date":"2019-10-31T21:46:55","date_gmt":"2019-10-31T18:46:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novaya-statya-obzor-nvme-ssd-nakopitelya-transcend-mte220s-dyoshevo-ne-znachit-ploho\/"},"modified":"2019-10-31T21:46:55","modified_gmt":"2019-10-31T18:46:55","slug":"novaya-statya-obzor-nvme-ssd-nakopitelya-transcend-mte220s-dyoshevo-ne-znachit-ploho","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/novaya-statya-obzor-nvme-ssd-nakopitelya-transcend-mte220s-dyoshevo-ne-znachit-ploho","title":{"rendered":"Uus artikkel: \u00dclevaade NVMe SSD-draivist Transcend MTE220S: odav \u2013 ei t\u00e4henda halb","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kuna tootjad, kes pole veel omandanud oma kontrollereid arendavaid meeskondi, kuid samas ei soovi kaotada silmist SSD turgu entusiastide seas, on t\u00e4na eriti piiratud valikuga. Ainult \u00fcks ettev\u00f5te, Silicon Motion, pakub sobivat lahendust, mis v\u00f5imaldab koostada t\u00f5eliselt j\u00f5ulisi NVMe-\u00fchendusega m\u00e4luseadmeid, pakudes k\u00f5ikeh\u00f5lmavaid lahendusi oma kontrolleerijatest ja valmis mikroprogrammeerimisest k\u00f5igile soovijatele. Teised ettev\u00f5tted, nagu Phison ja Realtek, pakuvad ka avalikult kergesti k\u00e4ttesaadavaid baasi mikrokiipe NVMe-m\u00e4luseadmete valmistamiseks, kuid just Silicon Motion on selles valdkonnas liidriks t\u00f5usnud, pakkudes partneritele mitte ainult funktsionaalsemaid, vaid ka oluliselt kiiremaid lahendusi.<\/p>\n

Samas on NVMe-salvestite tohutu mitmekesisuse seas, mis p\u00f5hinevad Silicon Motioni kontrolleritel, entusiastidele huvi pakkuvad mudelid v\u00f5ivad olla kaugel igast valikust. See ettev\u00f5te toodab laia valikut kiipe, millel on p\u00f5him\u00f5tteliselt erinev j\u00f5udlustase, kuid SSD-de jaoks, mis sobivad edasij\u00f5udnud v\u00f5i tipptasemel konfiguratsioonide tarbeks, suudavad seda pakkuda vaid valitud platvormid. Eelk\u00f5ige, eelmisel aastal andsime me v\u00e4ga positiivse hinnangu kontrollerile SM2262: 2018. aasta m\u00f5\u00f5tmete j\u00e4rgi oli see t\u00f5eliselt ahvatlev, v\u00f5imaldades selle p\u00f5hjal loodud salvestitel konkureerida parimate tarbijate NVMe SSD-dega esmaklassilistelt tootjatelt, sealhulgas Samsungilt, Western Digitalilt ja Intelilt.<\/p>\n

Kuid sel aastal on olukord veidi muutunud, kuna juhtivad tootjad on v\u00e4rskendanud oma massilisi k\u00f5rgema klassi mudeleid. Vastuseks sellele on Silicon Motion hakanud pakkuma partneritele t\u00e4iendatud versiooni eelmise aasta kontrollerist, SM2262EN, mis lubab samuti suurendada j\u00f5udlust \u2013 peamiselt kirjutamise kiirus. Tundub, et just selle kiibi p\u00f5hjal valmistatud m\u00e4luseadmed peaksidki olema need, mis huvitavad ostjaid, kes soovivad omada moodsat ja kiiret NVMe-m\u00e4luseadet, kuid ei soovi maksta A-brandi toote eest \u00fcle.<\/p>\n

Hiljuti polnud uus kontroller SM2262EN oma toodetes rakendanud eriti palju tootjaid. Tegelikult piirdus valik kahe v\u00f5imalusega: ADATA XPG SX8200 Pro ja HP EX950. Kuid n\u00fc\u00fcd on selle kiibi p\u00f5hjal tekkinud ka kolmas m\u00e4luseade \u2013 selle tootmise on omandanud ettev\u00f5te Transcend. Selle uue toote, nimega Transcend MTE220S, tutvustamegi selles \u00fclevaates.<\/p>\n

\"Uus<\/p>\n

Selle tuttavaks tegemise eelduseks on j\u00e4rgmine. HP EX950 ei tarnita Venemaale, ja <\/a>ADATA XPG SX8200 Pro<\/a><\/noindex> meie viimases testimises ei ole esitatud mingeid erilisi eeliseid, pakkudes tootlikkust, mis j\u00e4\u00e4b varasema SM2262 kontrolleri tasemele. See t\u00e4hendab, et hoolimata Silicon Image'i uue kontrolleri ilmumisest, ei ole me n\u00e4inud mingeid NVMe SSD-sid, mis suudaksid konkureerida uue <\/a>Samsung 970 EVO Plus<\/a><\/noindex> , me pole veel n\u00e4inud. Kas Transcend MTE220S osutub ADATA XPG SX8200 Pro versiooniga v\u00f5rreldes huvitavamaks, selgubki antud \u00fclevaate k\u00e4igus. Kuid kohe tuleb r\u00f5hutada, et isegi kui see SSD ei paista silma oma kiirusparameetritega, v\u00f5ib see siiski osutuda \u00fcsna huvitavaks. L\u00f5ppude l\u00f5puks plaanib Transcend m\u00fc\u00fca seda \u00fcllatavalt madala hinnaga \u2013 v\u00e4hemalt madala, v\u00f5rreldes t\u00e4iskohustusliku PCI Express 3.0 x4, DRAM-puhvri ja kolmem\u00f5\u00f5tmelise TLC-m\u00e4lu m\u00e4luseadmest.<\/p>\n

Tehnilised andmed<\/p>\n

SM2262EN kontrolleri kohta oleme juba r\u00e4\u00e4kinud, kui tutvustasime ADATA XPG SX8200 Pro-d. Selle tehnilised omadused p\u00f5hinevad kahel ARM Cortex tuumal, see kasutab kaheksakanalist liidest flash-m\u00e4lu haldamiseks, omab DDR3\/DDR4 liidest puhverdamiseks ja toetab PCI Express 3.0 x4 bussi koos NVM Express 1.3 protokolliga. Teisis\u00f5nu, see on kaasaegne ja t\u00e4ielikult funktsionaalne NVMe salvestuslahendus, millel on samuti v\u00e4ga head teoreetilise j\u00f5udluse n\u00e4itajad ning see toetab t\u00e4iustatud veakorrekteerimise meetodeid.<\/p>\n

Algne kontroller SM2262EN esitati juba augustis 2017, koos \"tavalise\" SM2262-ga, kuid pakkus lootust, et see on \"t\u00e4iustatud\" versioon, mille tarned pidid algama hiljem. Tundub, et Silicon Motion plaanis seda oodata, kuni turule tuleb 96-kihiline TLC 3D NAND, et pakkuda kiirendatud lahendusi koos tihedama m\u00e4luga. Kuid selline plaan kukkus l\u00e4bi, kuna NAND-kiibide hinnad hakkasid kiiresti langema ja m\u00e4lutootjad otsustasid uute tehnoloogiate juurutamist edasi l\u00fckata. Tulemuseks oli see, et Silicon Motion v\u00e4sis ootamisest ja vabastas SM2262EN uuendusena SM2262-le, keskendudes platvormidele, mis t\u00f6\u00f6tavad 64-kihilise TLC 3D NAND-iga.<\/p>\n

\"Uus<\/p>\n

Samas, kui uskuda formaalseid spetsifikatsioone, lubab SM2262EN kontrolleriga platvormi versioon siiski parandada j\u00f5udlust: kuni 9% j\u00e4rjestikustes lugemistes, kuni 58% j\u00e4rjestikustes kirjutamistes, kuni 14% juhuslikes lugemistes ja kuni 40% juhuslikes kirjutamistes. Kuid kui ka uskuda neid numbreid, siis ainult v\u00e4ga ettevaatlikult. Arendajad \u00fctlevad otse \u2013 mingeid muutusi SM2262EN riistvaras ei ole, see kasutab t\u00e4pselt sama arhitektuuri nagu tavaline SM2262. K\u00f5ik eelised p\u00f5hinevad tarkvarapoolsetel muudatustel: uue kontrolleri platvorm kasutab nutikamaid kirjutamise ja SLC-puhvri algoritme. Teisis\u00f5nu, on tegemist katsega k\u00e4rpida nurki, mitte sellega, et inseneridel oleks \u00f5nnestunud teostada mingi l\u00e4bimurre t\u00f6\u00f6mehhanismides.<\/p>\n

Mida see praktikas t\u00e4hendab, oleme juba n\u00e4inud, kui testisime ADATA XPG SX8200 Pro, mis p\u00f5hineb kontrolleril SM2262EN. See k\u00f5ikuvus osutus kiiremaks kui tema eelk\u00e4ija SM2262 chipiga ainult benchmarkides, kuid ei pakkunud mingeid m\u00e4rgatavaid parandusi reaalsetes j\u00f5udlustes. Kuid Transcend MTE220S-l on veidi teistsugune lugu. Sellel SSD-l pole mudelivalikus l\u00e4hisugulasi, ning Transcend jaoks on see t\u00e4iesti uus mudel. Arvestades, et varem oli selle tootja mudelivalikus ainult algtaseme NVMe SSD-d, n\u00e4evad MTE220S omadused \u00fcsna muljetavaldavad.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Tootja<\/strong><\/td>\nTranscend<\/strong><\/td>\n<\/tr>\n
Seeria<\/td>\nMTE220S<\/strong><\/strong><\/td>\n<\/tr>\n
Mudelinumber<\/td>\nTS256GMTE220S<\/td>\nTS512GMTE220S<\/td>\nTS1TMTE220S<\/strong><\/td>\n<\/tr>\n
Formaadi t\u00fc\u00fcp<\/td>\nM.2 2280<\/td>\n<\/tr>\n
Liides<\/td>\nPCI Express 3.0 x4 \u2013 NVMe 1.3<\/td>\n<\/tr>\n
Mahutavus, GB<\/td>\n256<\/td>\n512<\/td>\n1024<\/td>\n<\/tr>\n
Konfiguratsioon<\/strong><\/td>\n<\/tr>\n
M\u00e4chipid: t\u00fc\u00fcp, liides, tehnoloogia protsess, tootja<\/td>\nMicron 64-kihiline 256-Gbit TLC 3D NAND<\/td>\n<\/tr>\n
Kontroller<\/td>\nSMI SM2262EN<\/td>\n<\/tr>\n
Vahem\u00e4lu: t\u00fc\u00fcp, maht<\/td>\nDDR3-1866,
256 MB<\/td>\n		DDR3-1866,
512 MB<\/td>\n		DDR3-1866,
1024 MB<\/td>\n<\/tr>\n
Tootlikkus<\/strong><\/td>\n<\/tr>\n
Max. stabiilne j\u00e4rjestikune lugemise kiirus, MB\/s<\/td>\n3500<\/td>\n3500<\/td>\n3500<\/td>\n<\/tr>\n
Max. j\u00e4rjepidev kirjutamise kiirus, MB\/s<\/td>\n1100<\/td>\n2100<\/td>\n2800<\/td>\n<\/tr>\n
Max. juhuslik lugemise kiirus (4 KB plokkides), IOPS<\/td>\n210 000<\/td>\n210 000<\/td>\n360 000<\/td>\n<\/tr>\n
Max. juhuslik kirjutamise kiirus (4 KB plokkides), IOPS<\/td>\n290 000<\/td>\n310 000<\/td>\n425 000<\/td>\n<\/tr>\n
F\u00fc\u00fcsilised omadused<\/strong><\/td>\n<\/tr>\n
Energiaj\u00f5udlus: ootus\/lugemine-kirjutamine, W<\/td>\nN\/a<\/td>\n<\/tr>\n
MTBF (keskmine aeg riketeni), milj. h<\/td>\n1,5<\/td>\n<\/tr>\n
Kirjutusressurss, TB<\/td>\n260<\/td>\n400<\/td>\n800<\/td>\n<\/tr>\n
M\u00f5\u00f5tmed: P\u00d7L\u00d7S, mm<\/td>\n80 × 22 × 3,5<\/td>\n<\/tr>\n
Kaal, g<\/td>\n8<\/td>\n<\/tr>\n
Garantii kestvus, aastad<\/td>\n5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Huvitav on see, et Transcend MTE220S v\u00e4ljatoodud j\u00f5udlus on m\u00f5nev\u00f5rra madalam kui ADATA lubatud kiirus sarnase SM2262EN kontrolleri p\u00f5hjal. Tundub, et see on seotud sellega, et kuigi MTE220S kasutab sama riist- ja tarkvaraplatvormi, on selle konstruktsioon erinev viidatud mudelist. Transcend on oma k\u00f5vakettale projekteerinud oma tr\u00fckkplaadi, kus kulude kokkuhoiu nimel on loobutud 32-bitise DRAM-puhvri liidese kasutamisest, asendades selle odavama 16-bitise \u00fchendusega. Selle tulemusena v\u00e4henevad juhusliku lugemise ja kirjutamise maksimaalsed kiirus, ning see on eriti m\u00e4rgatav 512 Gbit versiooni puhul.<\/p>\n

Kuid SLC-vahem\u00e4lu Transcend MTE220S-l t\u00f6\u00f6tab samamoodi nagu teiste SM2262EN kontrolleriga salvestite puhul. Vahem\u00e4lu kasutab d\u00fcnaamilist skeemi, kus osa TLC-m\u00e4lust peamise massiivi seest muudetakse kiiremaks \u00fcksikisendi re\u017eiimiks. Vahem\u00e4lu suurus valitakse nii, et SLC-re\u017eiimis t\u00f6\u00f6tab umbes pool vaba flash-m\u00e4lu. Seega on MTE220S-l v\u00f5imalik kiirelt kirjutada andmemahtu, mis moodustab umbes kuuenda osa SSD available ruumist, seej\u00e4rel kiireus v\u00e4heneb oluliselt.<\/p>\n

Seda v\u00f5ib illustreerida j\u00e4rgmise graafikuga, mis n\u00e4itab, kuidas muutub pideva j\u00e4rjestikuse kirjutamise j\u00f5udlus t\u00fchjal 512 GB Transcend MTE220S-l.<\/p>\n

\"Uus<\/p>\n

\u0412 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435, \u043a\u043e\u0433\u0434\u0430 \u0437\u0430\u043f\u0438\u0441\u044c \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0432 SLC-\u0440\u0435\u0436\u0438\u043c\u0435, 512-\u0433\u0438\u0433\u0430\u0431\u0430\u0439\u0442\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f MTE220S \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 1,9 \u0413\u0431\u0430\u0439\u0442\/\u0441. \u0412 TLC-\u0440\u0435\u0436\u0438\u043c\u0435 \u043c\u0430\u0441\u0441\u0438\u0432 \u0444\u043b\u0435\u0448-\u043f\u0430\u043c\u044f\u0442\u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u0435\u0435, \u0438 \u043f\u043e\u0441\u043b\u0435 \u0438\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043c\u0435\u0441\u0442\u0430 \u0432 SLC-\u043a\u0435\u0448\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0441\u043d\u0438\u0436\u0430\u0435\u0442\u0441\u044f \u0434\u043e 460 \u041c\u0431\u0430\u0439\u0442\/\u0441. \u041d\u0430 \u0433\u0440\u0430\u0444\u0438\u043a\u0435 \u0432\u0438\u0434\u0435\u043d \u0438 \u0442\u0440\u0435\u0442\u0438\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 – 275 \u041c\u0431\u0430\u0439\u0442\/\u0441. \u0414\u043e \u0442\u0430\u043a\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0431\u044b\u0441\u0442\u0440\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043f\u0440\u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u043d\u0438\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u043a\u043e\u0433\u0434\u0430 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u0444\u043b\u0435\u0448-\u043f\u0430\u043c\u044f\u0442\u0438 \u0443\u0436\u0435 \u043d\u0435 \u043e\u0441\u0442\u0430\u0451\u0442\u0441\u044f, \u0438 \u0434\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u0432 \u043d\u0435\u0451 \u043a\u0430\u043a\u0438\u0435-\u0442\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0443 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u0432\u0435\u0441\u0442\u0438 \u044f\u0447\u0435\u0439\u043a\u0438, \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043f\u043e\u0434 SLC-\u043a\u0435\u0448, \u0432 \u043e\u0431\u044b\u0447\u043d\u044b\u0439 TLC-\u0440\u0435\u0436\u0438\u043c. \u0412 \u0438\u0442\u043e\u0433\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0441\u0440\u0435\u0434\u043d\u044f\u044f \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u043d\u0430 Transcend MTE220S 512 \u0413\u0431\u0430\u0439\u0442 «\u043e\u0442 \u043d\u0430\u0447\u0430\u043b\u0430 \u0438 \u0434\u043e \u043a\u043e\u043d\u0446\u0430» \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043f\u043e\u0440\u044f\u0434\u043a\u0430 410 \u041c\u0431\u0430\u0439\u0442\/\u0441, \u0430 \u043d\u0430 \u043f\u043e\u043b\u043d\u043e\u0435 \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u043e\u0442\u0440\u0430\u0442\u0438\u0442\u044c \u043d\u0435 \u043c\u0435\u043d\u0435\u0435 21 \u043c\u0438\u043d\u0443\u0442\u044b. \u042d\u0442\u043e \u043d\u0435 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u043e\u043f\u0442\u0438\u043c\u0438\u0441\u0442\u0438\u0447\u043d\u044b\u0439 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c: \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0442\u043e\u0442 \u0436\u0435 Samsung 970 EVO Plus \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0437\u0430\u0431\u0438\u0442\u044c \u043f\u043e\u0434 \u0437\u0430\u0432\u044f\u0437\u043a\u0443 \u0432\u0441\u0435\u0433\u043e \u0437\u0430 10 \u043c\u0438\u043d\u0443\u0442.<\/p>\n

\u041f\u0440\u0438 \u044d\u0442\u043e\u043c SLC-\u043a\u0435\u0448\u0443 Transcend MTE220S \u043f\u0440\u0438\u0441\u0443\u0449\u0430 \u0442\u0430 \u0436\u0435 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u0430\u044f \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044c, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u044b \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b\u0438 \u0435\u0449\u0451 \u0432 ADATA XPG SX8200 Pro. \u0414\u0430\u043d\u043d\u044b\u0435 \u0438\u0437 \u043d\u0435\u0433\u043e \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u0432 \u043e\u0431\u044b\u0447\u043d\u0443\u044e \u043f\u0430\u043c\u044f\u0442\u044c \u0434\u0430\u043b\u0435\u043a\u043e \u043d\u0435 \u0441\u0440\u0430\u0437\u0443, \u0430 \u043b\u0438\u0448\u044c \u0442\u043e\u0433\u0434\u0430, \u043a\u043e\u0433\u0434\u0430 \u043e\u043d \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u043d\u0430 \u0442\u0440\u0438 \u0447\u0435\u0442\u0432\u0435\u0440\u0442\u0438. \u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0435\u0439 \u0447\u0442\u0435\u043d\u0438\u044f \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043a \u0444\u0430\u0439\u043b\u0430\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u044b\u043b\u0438 \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0442\u043e. \u0414\u0430\u043d\u043d\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u043c\u0435\u0435\u0442 \u043c\u0430\u043b\u043e \u0441\u043c\u044b\u0441\u043b\u0430 \u043f\u0440\u0438 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 SSD, \u043d\u043e \u0437\u0430\u0442\u043e \u0441\u0438\u043b\u044c\u043d\u043e \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044e \u0432 \u0441\u0438\u043d\u0442\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0430\u0445, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0430\u043a \u0440\u0430\u0437 \u0438 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0443\u044e\u0442 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0438 \u0432\u0438\u0434\u0430 «\u0437\u0430\u043f\u0438\u0441\u044c — \u0447\u0442\u0435\u043d\u0438\u0435».<\/p>\n

Kuidas see praktikas v\u00e4lja n\u00e4eb, saab hinnata j\u00e4rgmise juhusliku lugemise kiirusgraafiku j\u00e4rgi, kui \u00fcritatakse juurdep\u00e4\u00e4su failile kohe p\u00e4rast selle loomist, samuti siis, kui sellele failile j\u00e4rgneb SSD-l veel m\u00f5ne teise info kirjutamine.<\/p>\n

\"Uus<\/p>\n

Siin on selgelt n\u00e4htav hetk, mil kontroller liigutab testfaili SLC-cache'ist p\u00f5hiflash-m\u00e4llu, kuna v\u00e4ikese ploki lugemise kiirus langeb sel hetkel umbes 10%. Just sellise, v\u00e4hendatud kiirusena peavad kasutajad enamikul juhtudel arvestama, kuna Transcend MTE220S mikrokoodis ei ole ette n\u00e4htud mingeid algoritme andmete tagasiviimiseks TLC-m\u00e4lust SLC-cache'i ning failid saavad SLC-cache'is viibida vaid siis, kui salvesti t\u00f6\u00f6 k\u00e4igus j\u00e4\u00e4b enam kui 90 protsenti vabaks.<\/p>\n

\u0418\u043d\u044b\u043c\u0438 \u0441\u043b\u043e\u0432\u0430\u043c\u0438, \u0432 \u0447\u0430\u0441\u0442\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 SLC-\u043a\u0435\u0448\u0435\u043c Transcend MTE220S \u043c\u0430\u043b\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0434\u0440\u0443\u0433\u0438\u0445 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 SM2262EN. \u041d\u043e \u044d\u0442\u043e \u0432\u043e\u0432\u0441\u0435 \u043d\u0435 \u0437\u043d\u0430\u0447\u0438\u0442, \u0447\u0442\u043e \u043e\u043d \u043f\u043e\u0445\u043e\u0436 \u043d\u0430 ADATA XPG SX8200 Pro \u0432\u043e \u0432\u0441\u0451\u043c. \u0423 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044f Transcend \u0435\u0441\u0442\u044c \u0432\u0435\u0441\u043e\u043c\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u0438\u043d\u0441\u0442\u0432\u043e \u0438\u043d\u043e\u0433\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0430 – \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0451\u043d\u043d\u044b\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u043c\u0438 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0438 \u043e\u0431\u044a\u0451\u043c\u044b \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0438. \u0411\u0435\u0437 \u0435\u0451 \u043f\u043e\u0442\u0435\u0440\u0438 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u043c\u0438 800 \u0440\u0430\u0437, \u0430 \u0432\u0435\u0440\u0441\u0438\u044e \u043e\u0431\u044a\u0451\u043c\u043e\u043c 256 \u0413\u0431\u0430\u0439\u0442 – \u0431\u043e\u043b\u0435\u0435 1000 \u0440\u0430\u0437. \u0422\u0430\u043a\u0438\u0435 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0438 \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043d\u0430\u0434\u0435\u044f\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u0434\u043b\u044f MTE220S \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c \u0437\u0430\u043a\u0443\u043f\u0430\u0435\u0442\u0441\u044f \u0444\u043b\u0435\u0448-\u043f\u0430\u043c\u044f\u0442\u044c \u0432\u044b\u0441\u0448\u0435\u0439 \u0433\u0440\u0430\u0434\u0430\u0446\u0438\u0438 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430, \u0438 \u044d\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u0440\u0435\u0430\u043b\u044c\u043d\u0430\u044f \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u044c \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f \u0441\u043c\u043e\u0436\u0435\u0442 \u0443\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0434\u0430\u0436\u0435 \u0442\u0435\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0441\u0451 \u0435\u0449\u0451 \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u043a TLC 3D NAND \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c \u043d\u0435\u0434\u043e\u0432\u0435\u0440\u0438\u0435\u043c.<\/p>\n

V\u00e4limus ja sisemine seadistus<\/p>\n

\u0414\u043b\u044f \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u043a\u043e\u043c\u0441\u0442\u0432\u0430 \u043f\u043e \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u0438 \u0431\u044b\u043b\u0430 \u0432\u044b\u0431\u0440\u0430\u043d\u0430 \u043c\u043e\u0434\u0435\u043b\u044c Transcend MTE220S \u043e\u0431\u044a\u0451\u043c\u043e\u043c 512 \u0413\u0431\u0430\u0439\u0442. \u041d\u0438\u043a\u0430\u043a\u0438\u0445 \u0441\u044e\u0440\u043f\u0440\u0438\u0437\u043e\u0432 \u0441\u0432\u043e\u0435\u0439 \u0432\u043d\u0435\u0448\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u043d\u0430 \u043d\u0435 \u043f\u0440\u0435\u043f\u043e\u0434\u043d\u0435\u0441\u043b\u0430, \u044d\u0442\u043e – \u043e\u0431\u044b\u0447\u043d\u044b\u0439 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c \u0432 \u0444\u043e\u0440\u043c-\u0444\u0430\u043a\u0442\u043e\u0440\u0435 M.2 2280, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0447\u0435\u0440\u0435\u0437 \u0448\u0438\u043d\u0443 PCI Express 3.0 x4 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b NVM Express \u0432\u0435\u0440\u0441\u0438\u0438 1.3. \u041e\u0434\u043d\u0430\u043a\u043e \u0432\u0438\u0434 \u0443\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u0438 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438 MTE220S \u043d\u0430\u0432\u0435\u0432\u0430\u044e\u0442 \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u044b\u0435 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0446\u0438\u0438 \u0441 \u0434\u0435\u0448\u0451\u0432\u044b\u043c \u0448\u0438\u0440\u043f\u043e\u0442\u0440\u0435\u0431\u043e\u043c. \u0414\u0430\u0436\u0435 \u0431\u044e\u0434\u0436\u0435\u0442\u043d\u044b\u0439 \u0431\u0435\u0437\u0431\u0443\u0444\u0435\u0440\u043d\u044b\u0439 SSD MTE110S \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0434\u0430\u0432\u0430\u043b\u0430 \u0432 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0439 \u043a\u043e\u0440\u043e\u0431\u043a\u0435, \u0430 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u0430\u044f \u043d\u043e\u0432\u0438\u043d\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f, \u043e\u043a\u0430\u0437\u0430\u043b\u0430\u0441\u044c \u0443\u043f\u0430\u043a\u043e\u0432\u0430\u043d\u0430 \u0432 \u0431\u043b\u0438\u0441\u0442\u0435\u0440, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c, \u043f\u043e\u043c\u0438\u043c\u043e \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e M.2-\u043f\u043b\u0430\u0442\u044b \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f, \u043d\u0435\u0442 \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0438\u0447\u0435\u0433\u043e. \u0412\u0441\u0451 \u044d\u0442\u043e \u043e\u0447\u0435\u043d\u044c \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u0442\u043e, \u0432 \u043a\u0430\u043a\u043e\u043c \u0432\u0438\u0434\u0435 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043d\u0430 \u0440\u044b\u043d\u043e\u043a microSD-\u043a\u0430\u0440\u0442\u044b, \u0438, \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e, \u0441\u043b\u0443\u0436\u0438\u0442 \u0446\u0435\u043b\u0438 \u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043d\u0430\u043a\u043b\u0430\u0434\u043d\u044b\u0445 \u0440\u0430\u0441\u0445\u043e\u0434\u043e\u0432. \u0412\u043f\u0440\u043e\u0447\u0435\u043c, \u0435\u0434\u0432\u0430 \u043b\u0438 \u043a\u0442\u043e-\u0442\u043e \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442 SSD \u043f\u043e \u0443\u043f\u0430\u043a\u043e\u0432\u043a\u0435.<\/p>\n

\"Uus<\/p>\n

SSD ise ei eristu silmatorkava v\u00e4limuse poolest. Selle konstruktsioonis ei ole mingeid jahutuspralle, ning sildil ei ole soojusjuhtivat fooliumi kihti. \u00dcldiselt n\u00e4eb Transcend MTE220S pigem v\u00e4lja OEM-toode, mitte entusiastide lahendus. Seda muljet toetab tr\u00fckkplatina kollane v\u00e4rv ja \u00fclikasutaja-s\u00f5bralik etikett, mis ei kanna disaini mingeid m\u00e4rke ning sisaldab vaid teenuslikku teavet.<\/p>\n

\"Uus<\/p>\n

\u041a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u043a\u0443 \u043f\u043b\u0430\u0442\u044b MTE220S \u043d\u0435\u043b\u044c\u0437\u044f \u043d\u0430\u0437\u0432\u0430\u0442\u044c \u0442\u0438\u043f\u043e\u0432\u043e\u0439 — \u0435\u0451, \u0441\u0443\u0434\u044f \u043f\u043e \u0432\u0441\u0435\u043c\u0443, \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u044b Transcend \u0432\u0438\u0434\u043e\u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0438 \u0434\u043b\u044f \u043a\u0430\u043a\u0438\u0445-\u0442\u043e \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u043d\u0443\u0436\u0434. \u041f\u043e \u043a\u0440\u0430\u0439\u043d\u0435\u0439 \u043c\u0435\u0440\u0435, \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u043d\u044b\u0439 \u043d\u0430\u043c\u0438 \u0440\u0430\u043d\u0435\u0435 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c ADATA XPG SX8200 Pro, \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b, \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u043b \u0441\u043e\u0432\u0441\u0435\u043c \u0438\u043d\u0430\u0447\u0435. \u0412\u043f\u0440\u043e\u0447\u0435\u043c, \u0434\u0432\u0443\u0445\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u0435 \u0440\u0430\u0441\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u043d\u043e\u0432\u0438\u043d\u043a\u0430 Transcend \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u043b\u0430, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0434\u043b\u044f «\u043d\u0438\u0437\u043a\u043e\u043f\u0440\u043e\u0444\u0438\u043b\u044c\u043d\u044b\u0445» \u0441\u043b\u043e\u0442\u043e\u0432 M.2, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u044e\u0442\u0441\u044f \u0432 \u0442\u043e\u043d\u043a\u0438\u0445 \u043d\u043e\u0443\u0442\u0431\u0443\u043a\u0430\u0445, MTE220S \u043c\u043e\u0436\u0435\u0442 \u043d\u0435 \u043f\u043e\u0434\u043e\u0439\u0442\u0438.<\/p>\n\n\n\n
\n\"Uus\n<\/td>\n <\/td>\n\n\"Uus\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

MTE220S 512 GB salvestusseade koosneb neljast Transcend'i br\u00e4nditud kiibist. Teadaolevalt on iga sellise kiibi sees neli 256-gigabitti 64-kihilist Micron TLC 3D NAND teise p\u00f5lvkonna m\u00e4lu kristalli. Transcend ostab sellise m\u00e4lu Micronilt tervete plaatidena, kuid l\u00f5ikamine, testimine ja silikoonkristallide pakendamine kiipidesse j\u00e4\u00e4b nende enda kanda, mis v\u00f5imaldab saavutada lisanduvat tootmise efektiivsust.<\/p>\n

T\u00e4htis on m\u00e4rkida ka DDR4-1866 SDRAM mikrokiipi, mis asub SM2262EN p\u00f5hikontrolleri k\u00f5rval. See toimib puhvrina aadressitabeli koopia salvestamiseks, kuid oluline on see, et antud seadmes on ainult \u00fcks selline mikrokiip, mille tootjaks on Samsung ja mille maht on 512 MB. Me p\u00f6\u00f6rame sellele t\u00e4helepanu, kuna teistel SM2262EN kontrolleriga SSD-del on kiire DRAM-puhver tavaliselt koosnenud paarist v\u00e4iksema mahuga mikrokiibist. Seet\u00f5ttu toimub Transcend MTE220S-i puhul t\u00f6\u00f6tlemine DRAM-puhvriga 16-bitise, mitte 32-bitise s\u00f5idutee kaudu, mis teoorias v\u00f5ib pisut kahjustada j\u00f5udlust v\u00e4ikeste plokkoperatsioonide korral. Siiski ei tasu selle teguri m\u00f5ju \u00fcle liialdada: 32-bitine liin, mis puudutab t\u00f6\u00f6tavat m\u00e4lu, on SM2262\/SM2262EN platvormi ainulaadne omadus, samas kui teised SSD kontrollerid kasutavad 16-bitist DRAM-puhvrit ega kannata sellest \u00fcldse.<\/p>\n

Tarkvara<\/p>\n

Transcend on tootetud seadmete haldamiseks on v\u00e4lja t\u00f6\u00f6tanud spetsiaalse utiliidi nimelt SSD Scope. Selle funktsioonid on peaaegu t\u00fc\u00fcpilised selle klassi tarkvaratoodetele, kuid m\u00f5ned tuttavad funktsioonid ei toetatud mingil p\u00f5hjusel.<\/p>\n\n\n\n
\n\"Uus\n<\/td>\n <\/td>\n\n\"Uus\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

SSD Scope v\u00f5imaldab j\u00e4lgida seadme \u00fcldist seisukorda ja hinnata selle tervist, tuginedes S.M.A.R.T. telemeetriatele. Utiliidis on lihtsad j\u00f5udlustestid, samuti uusima p\u00fcsivara versiooni kontrollimine ja selle uuendamise v\u00f5imalus.<\/p>\n\n\n\n
\n\"Uus\n<\/td>\n <\/td>\n\n\"Uus\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Utiliidis on samuti sisseehitatud t\u00f6\u00f6riist ketaste sisu kloonimiseks, mis v\u00f5imaldab kiiret ja valutut operatsioonis\u00fcsteemi ning paigaldatud rakenduste \u00fcleviimist uuele SSD-le. Lisaks oskab SSD Scope hallata TRIM k\u00e4su edastamist seadmele.<\/p>\n\n\n\n
\n\"Uus\n<\/td>\n <\/td>\n\n\"Uus\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

SATA SSD-de jaoks v\u00f5ib SSD Scope pakkuda ka m\u00e4luklusterite kontrollimist vigade osas v\u00f5i fl\u00e4sh-m\u00e4lu 'usaldusv\u00e4\u00e4rset puhastamist', Secure Erase protseduuri. Kuid Transcend MTE220S puhul ei toimi kummagi funktsioon mingi p\u00f5hjusel.<\/p>\n

Allikas: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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