Sabuwar labarin: Binciken Transcend MTE220S NVMe SSD drive: arha baya nufin mara kyau

Hakan ya faru ne cewa waɗancan masana'antun SSD waɗanda har yanzu ba su sami ƙungiyoyin haɓaka masu sarrafa kansu ba, amma a lokaci guda ba sa so su rasa kasuwar SSD don masu sha'awar, ba su da wani zaɓi na musamman a yau. Zaɓin da ya dace a gare su, yana ba su damar tsara taron faifai masu fa'ida da gaske tare da keɓancewar NVMe, kamfani ɗaya ne kawai ke bayarwa - Silicon Motion, wanda ke shirye don samar da hadaddun mafita daga mai sarrafa sa da shirye-shiryen firmware ga kowa da kowa. Sauran kamfanoni, irin su Phison ko Realtek, suma suna da guntu na asali a bainar jama'a don haɗa kayan aikin NVMe, amma Silicon Motion ne ya jagoranci wannan yanki, yana ba abokan haɗin gwiwa ba kawai ƙarin aiki ba, har ma da saurin mafita.

A lokaci guda, a cikin ɗimbin nau'ikan kayan aikin NVMe waɗanda aka gina akan tushen masu sarrafa Motsi na Silicon, ba duk samfuran ba na iya zama masu sha'awar masu sha'awar. Wannan kamfani yana samar da nau'ikan kwakwalwan kwamfuta da yawa tare da matakan aiki daban-daban na asali, amma zaɓin dandamali kawai zai iya samar da aikin da ya cancanci SSD don haɓakawa ko matsakaicin daidaitawa. Musamman ma, a bara mun yi magana sosai game da mai sarrafa SM2262: ta ka'idodin 2018, da gaske ya yi kyau sosai, yana ba da damar tuki da aka dogara da shi don yin daidai daidai da mafi kyawun mabukaci NVMe SSDs daga masana'antun farko, gami da Samsung, Western Digital da Intel.

Amma a wannan shekara halin da ake ciki ya ɗan canza, kamar yadda manyan masana'antun suka sabunta samfuran su na ƙarshe. Dangane da wannan, Silicon Motion ya fara ba abokan haɗin gwiwa ingantaccen sigar mai sarrafa bara, SM2262EN, wanda kuma yayi alƙawarin haɓaka sigogin aiki - da farko a cikin saurin rikodi. Ya bayyana cewa tuƙi ne bisa wannan guntu wanda yakamata ya zama abin sha'awa ga masu siye a yau waɗanda ke tsammanin samun injin NVMe na zamani da sauri a wurin su, amma a lokaci guda ba sa son biyan kuɗi don mallakar samfurin A-alama. .

Har zuwa kwanan nan, ba masana'antun da yawa ba su yi amfani da sabon mai sarrafa SM2262EN a cikin samfuran su ba. A zahiri, zaɓin ya sauko zuwa zaɓuɓɓuka biyu: ADATA XPG SX8200 Pro da HP EX950. Amma yanzu tuƙi na uku dangane da wannan guntu ya bayyana - Transcend ya ƙware wajen samar da shi. Za mu saba da wannan sabon samfurin, mai suna Transcend MTE220S, a cikin wannan bita.

Bayanin shigar da wannan wanda aka sani shine kamar haka. Ba a ba da HP EX950 ga Rasha ba, amma ADATA XPG SX8200 Pro a cikin gwajin mu na kwanan nan bai nuna kowane katunan ƙaho na musamman ba, yana ba da aiki a matakin tuƙi akan mai sarrafa SM2262 na baya. Kuma wannan yana nufin cewa, duk da bayyanar sabon sigar mai sarrafa Hoton Silicon, babu NVMe SSDs waɗanda zasu iya gasa da sabo. Samsung 970 EVO .ari , ba mu gan shi ba tukuna. Ko Transcend MTE220S ya zama zaɓi mafi ban sha'awa idan aka kwatanta da ADATA XPG SX8200 Pro wani abu ne da za mu gano a cikin wannan bita. Amma ya kamata a nanata nan da nan cewa ko da wannan SSD bai nuna sigogin saurin sa ba, har yanzu yana iya zama mai ban sha'awa sosai. Bayan haka, Transcend zai sayar da shi a farashi mai ban mamaki - aƙalla ƙasa don cikakken tuƙi tare da ƙirar PCI Express 3.0 x4, buffer DRAM da ƙwaƙwalwar TLC mai girma uku.

Технические характеристики

Mun riga mun yi magana daki-daki game da menene SM2262EN mai sarrafa lokacin da muka saba da ADATA XPG SX8200 Pro. A gefen fasaha, an gina wannan guntu akan nau'ikan nau'ikan ARM Cortex guda biyu, yana amfani da hanyar sadarwa ta tashoshi takwas don sarrafa ƙwaƙwalwar walƙiya, yana da ƙirar DDR3/DDR4 don buffer, kuma yana goyan bayan bas ɗin PCI Express 3.0 x4 tare da ka'idar NVM Express 1.3 . A takaice dai, wannan ingantaccen bayani ne na zamani kuma mai cikakken bayani don masu tafiyar da NVMe, wanda kuma yana da ingantattun alamomin aikin ka'ida kuma yana goyan bayan hanyoyin gyara kuskuren ci gaba.

Da farko, an gabatar da mai sarrafa SM2262EN a cikin watan Agusta 2017, a lokaci guda tare da "sauki" SM2262, amma an gabatar da shi azaman sigar "ci gaba", wanda za a fara bayarwa daga baya. A bayyane yake, Silicon Motion zai riƙe shi har sai 96-Layer TLC 3D NAND ya bayyana akan kasuwa, sannan ya ba da ingantattun mafita na ƙarshen-zuwa-ƙarshen tare da ƙwaƙwalwar filasha mai yawa. Koyaya, wannan shirin ya faɗi saboda canjin yanayin kasuwa: kwakwalwan NAND sun fara zama mai rahusa da sauri, kuma masana'antun ƙwaƙwalwar ajiya sun yanke shawarar jinkirta ƙaddamar da sabbin fasahohi. A sakamakon haka, Silicon Motion ya gaji da jira kuma ya saki SM2262EN a matsayin sabuntawa ga SM2262 a matsayin wani ɓangare na dandalin da aka mayar da hankali kan aiki tare da 64-Layer TLC 3D NAND.

A lokaci guda, idan kun yi imani da ƙayyadaddun ƙa'idodi, sigar dandamali tare da mai sarrafa SM2262EN har yanzu suna yin alƙawarin haɓaka ayyukan aiki: har zuwa 9% don karatun jeri, har zuwa 58% don rubutun jeri, har zuwa 14% don karatun bazuwar kuma har zuwa 40% don rubuta bazuwar. Amma idan kun yi imani da waɗannan lambobin, to tare da taka tsantsan. Masu haɓakawa sun faɗi kai tsaye - SM2262EN baya nufin kowane gyare-gyare a cikin tsarin kayan masarufi, yana amfani da gine-gine iri ɗaya da na SM2262 na yau da kullun. Duk fa'idodin sun dogara ne akan canje-canje a cikin software: dandamali tare da sabon mai sarrafawa suna amfani da ingantaccen rikodin rikodin da SLC caching algorithms. A wasu kalmomi, muna magana ne game da wani nau'i na ƙoƙari na yanke sasanninta, kuma ba game da gaskiyar cewa injiniyoyi sun sami nasarar yin wani nau'i na ci gaba a cikin hanyoyin aiki ba.

Mun riga mun ga abin da wannan ke nufi a aikace lokacin da muka gwada ADATA XPG SX8200 Pro dangane da mai sarrafa SM2262EN. Wannan tuƙi ya yi sauri fiye da wanda ya gabace shi akan guntuwar SM2262 kawai a cikin ma'auni, amma bai ba da wani ci gaba mai ban mamaki ba a cikin aikin ainihin duniya. Koyaya, tare da Transcend MTE220S labarin ya ɗan bambanta. Wannan motar ba ta da dangi na kusa a cikin kewayon samfurin, kuma don Transcend wannan sabon salo ne gaba ɗaya. Idan akai la'akari da gaskiyar cewa a baya wannan masana'anta kawai yana da matakin NVMe SSDs a cikin layin sa, ƙayyadaddun MTE220S suna da ban sha'awa sosai.

Manufacturer	Juyin juyawa
Sauti	MTE220S
Lambar samfurin	Saukewa: TS256GMTE220S	Saukewa: TS512GMTE220S	Saukewa: TS1TMTE220S
Factor Factor	M.2 2280
dubawa	PCI Express 3.0 x4 - NVMe 1.3
Capacity, GB	256	512	1024
Kanfigareshan
Ƙwaƙwalwar ƙwaƙwalwa: nau'in, dubawa, fasahar tsari, masana'anta	Micron 64-Layer 256Gb TLC 3D NAND
Mai sarrafawa	Saukewa: SMI SM2262EN
Buffer: nau'in, girma	DDR3-1866 256 MB	DDR3-1866 512 MB	DDR3-1866 1024 MB
Yawan aiki
Max. ɗorewar saurin karantawa na jeri, MB/s	3500	3500	3500
Max. Gudun rubutu mai dorewa, MB/s	1100	2100	2800
Max. Gudun karatun bazuwar (tubalan 4 KB), IOPS	210 000	210 000	360 000
Max. saurin rubuta bazuwar (tubalan 4 KB), IOPS	290 000	310 000	425 000
Yanayi na jiki
Amfanin wuta: rashin aiki / karanta-rubutu, W	N/A
MTBF (ma'anar lokaci tsakanin kasawa), sa'o'i miliyan	1,5
Albarkatun rikodi, TB	260	400	800
Gabaɗaya girma: LxHxD, mm	80 × 22 × 3,5
Nauyi, g	8
Lokacin garanti, shekaru	5

Abin sha'awa, aikin da aka bayyana na Transcend MTE220S ya ɗan yi ƙasa kaɗan fiye da saurin da ADATA ta yi alkawari don irin wannan tuƙi bisa ga mai sarrafa SM2262EN. A bayyane yake wannan ya faru ne saboda gaskiyar cewa, kodayake MTE220S yana amfani da kayan masarufi iri ɗaya da dandamalin software, ƙirar sa ya bambanta da na abin da ake nufi. Don tukinsa, Transcend ya kera nata allon kewayawa, inda, don rage farashi, ya yi watsi da amfani da na'ura mai ɗaukar hoto na 32-bit DRAM don samun ƙarin tattalin arziki, haɗin 16-bit. Sakamakon haka, matsakaicin matsakaicin saurin karantawa da rubuta bazuwar ya ragu, kuma ana iya lura da wannan musamman a cikin sigar 512 GB na tuƙi.

Koyaya, caching SLC akan Transcend MTE220S yana aiki daidai da sauran abubuwan tafiyarwa tare da mai sarrafa SM2262EN. Cache ɗin yana amfani da tsari mai ƙarfi lokacin da aka canza wani ɓangare na ƙwaƙwalwar TLC daga babban tsari zuwa haɓakar yanayin-bit ɗaya. An zaɓi girman cache ta yadda kusan rabin ƙwaƙwalwar walƙiya ta kyauta tana aiki a yanayin SLC. Don haka, a cikin babban gudu, MTE220S na iya yin rikodin ƙarar bayanai wanda ya kai kusan kashi ɗaya cikin shida na girman sararin da ke kan SSD, amma sai saurin zai ragu sosai.

Ana iya misalta wannan ta jadawali mai zuwa, wanda ke nuna yadda ayyukan ci gaba da rubuce-rubucen jeri ke canzawa akan komai na Transcend MTE220S tare da damar 512 GB.

A cikin hanzarin yanayin, lokacin yin rikodi yana faruwa a yanayin SLC, nau'in 512 GB na MTE220S yana ba da aikin 1,9 GB/s. A cikin yanayin TLC, tsararrun ƙwaƙwalwar ajiyar filasha tana aiki da hankali sosai, kuma bayan sarari kyauta a cikin cache na SLC ya ƙare, saurin yana raguwa zuwa 460 MB/s. Hakanan jadawali yana nuna zaɓin saurin gudu na uku - 275 MB/s. Ayyukan da aka yi a lokacin rubuce-rubucen jeri yana raguwa zuwa wannan darajar a yanayin lokacin da babu sauran ƙwaƙwalwar ajiyar filasha kyauta, kuma don sanya wasu ƙarin bayanai a ciki, mai sarrafawa yana buƙatar farko don canza sel da aka yi amfani da su don cache SLC zuwa TLC na yau da kullum - yanayin. A sakamakon haka, ya zama cewa matsakaicin ci gaba da rikodin rikodin a kan Transcend MTE220S 512 GB "daga farko zuwa ƙare" ya kai kimanin 410 MB / s, kuma yana ɗaukar akalla minti 21 don cika wannan motar gaba daya da bayanai. Wannan ba alama ce mai kyakkyawan fata ba: alal misali, Samsung 970 EVO Plus iri ɗaya na iya cikawa gaba ɗaya zuwa iya aiki cikin mintuna 10 kacal.

A lokaci guda, ma'ajin Transcend MTE220S SLC yana da fasalin musamman wanda muka gano a cikin ADATA XPG SX8200 Pro. Ba a canjawa bayanai daga cikinsa zuwa ƙwaƙwalwar ajiya na yau da kullun, amma kawai lokacin da ya cika sama da kashi uku cikin huɗu. Wannan yana ba ku damar samun saurin karantawa yayin samun damar fayilolin da aka rubuta. Wannan fasalin yana ba da ma'ana kaɗan a ainihin amfani da SSD, amma yana taimakawa matuƙar a cikin ma'auni na roba, waɗanda ke aiwatar da yanayin rubutu na musamman.

Yadda wannan ya dubi a aikace za a iya tantance shi ta amfani da jadawali mai zuwa na saurin karantawa bazuwar lokacin samun damar fayil, nan da nan bayan ƙirƙirar shi, da kuma lokacin, bin wannan fayil ɗin, an rubuta wasu ƙarin bayanai zuwa SSD.

Anan zaku iya ganin lokacin da mai sarrafa ke motsa fayil ɗin gwaji daga ma'ajin SLC zuwa babban žwažwalwar ajiya na filasha, tunda saurin karatun ƙaramin-toshe a wannan lokacin yana raguwa da kusan 10%. Daidai wannan rage saurin da masu amfani za su yi mu'amala da su a mafi yawan lokuta, tunda ba a samar da algorithms don mayar da bayanai daga ƙwaƙwalwar TLC zuwa cache SLC a cikin firmware na Transcend MTE220S, kuma ana iya jinkirta fayiloli a cikin cache na SLC. kawai idan drive ɗin ya kasance fiye da kashi 90 cikin XNUMX kyauta yayin aiki.

A takaice dai, dangane da aiki tare da cache SLC, Transcend MTE220S ya bambanta kadan da sauran abubuwan tafiyarwa dangane da mai sarrafa SM2262EN. Amma wannan baya nufin yana kama da ADATA XPG SX8200 Pro ta kowace hanya. Shawarar Transcend tana da fa'ida mai mahimmanci na wani tsari na daban - mafi girman juzu'i na sake rubutawa waɗanda sharuɗɗan garanti suka yarda. Ba tare da rasa shi ba, ana iya sake rubutawa gabaɗaya tare da bayanan sau 800, kuma nau'in 256 GB fiye da sau 1000. Irin waɗannan alamun da aka ayyana albarkatu suna ba mu damar fatan cewa ga MTE220S masana'anta suna siyan ƙwaƙwalwar walƙiya na mafi girman darajar inganci, kuma wannan yana nufin cewa amincin injin ɗin zai iya gamsar da waɗanda har yanzu masu amfani waɗanda har yanzu basu amince da TLC 3D NAND ba. .

Bayyanar da tsari na ciki

Don cikakken sani, bisa ga al'ada, an zaɓi samfurin Transcend MTE220S tare da damar 512 GB. Bai gabatar da wani abin mamaki ba tare da bayyanarsa; tuƙi ne na yau da kullun a cikin nau'in nau'in nau'in M.2 2280, wanda ke aiki ta hanyar bas ɗin PCI Express 3.0 x4 kuma yana goyan bayan sigar yarjejeniya ta NVM Express 1.3. Koyaya, nau'in marufi da saitin bayarwa na MTE220S yana haifar da ƙungiyoyi masu ƙarfi tare da samfuran mabukaci masu arha. Kamfanin ya sayar da ko da SSD MTE110S na kasafin kuɗi maras kyau a cikin akwati cikakke, kuma sabon samfurin da ake tambaya, wanda aka sanya shi a matsayin mafita mafi girma, ya juya a cikin blister, wanda, ban da M.2. drive board kanta, ba ta ƙunshi komai ba kwata-kwata. Duk wannan yayi kama da nau'in da ake ba da katunan microSD zuwa kasuwa, kuma, a bayyane yake, yana yin manufar rage farashin kan kari. Koyaya, da kyar kowa har yanzu ya zaɓi SSD dangane da marufi.

SSD kanta ba ta da siffa mai bayyanawa. Zanensa ba ya haɗa da wani radiators, kuma sitika ba shi da Layer na foil mai ɗaukar zafi. Gabaɗaya, Transcend MTE220S yayi kama da samfurin OEM fiye da mafita ga masu sha'awar. An jaddada wannan ra'ayi ta hanyar textolite na allon da'irar da aka buga na launin kore mai rabin manta da kuma alamar amfani zalla wanda ba shi da alamun ƙira kuma ya ƙunshi bayanan sabis kawai.

Ba za a iya kiran tsarin tsarin MTE220S na al'ada ba - a fili, injiniyoyin Transcend sun gyara shi don wasu bukatun su. Aƙalla, faifan ADATA XPG SX8200 Pro da muka yi bita a baya, duk da amfani da dandamalin kayan masarufi iri ɗaya, ya bambanta sosai. Duk da haka, sabon samfurin Transcend ya riƙe tsarin tsari mai gefe biyu, don haka MTE2S bazai dace da "ƙananan bayanan martaba" M.220 ramummuka ba, waɗanda aka samo a cikin kwamfyutocin bakin ciki.

Ƙwaƙwalwar ƙwaƙwalwar ajiyar walƙiya da ke kan MTE220S 512 GB ta ƙunshi kwakwalwan kwamfuta guda hudu tare da alamun Transcend. An san cewa a cikin kowane ɗayan waɗannan kwakwalwan kwamfuta akwai lu'ulu'u 256-gigabit guda huɗu na 64-Layer Micron TLC 3D NAND ƙwaƙwalwar ƙarni na biyu. Canja wurin siyan irin wannan ƙwaƙwalwar ajiya daga Micron a cikin nau'ikan wafers mai ƙarfi, amma yana ɗaukar yankan, gwaji da tattara kayan lu'ulu'u na silicon cikin kwakwalwan kwamfuta, wanda ke ba da damar ƙarin tanadin samarwa.

Hakanan yakamata ku kula da guntu DDR4-1866 SDRAM, wanda ke kusa da guntu mai sarrafa tushe na SM2262EN. Yana aiki azaman buffer don adana kwafin tebur ɗin fassarar adireshi, amma abu mai mahimmanci anan shine cewa injin ɗin yana da irin wannan guntu guda ɗaya kawai, wanda Samsung ya kera, yana da ƙarfin 512 MB. Muna jawo hankali musamman ga wannan, tunda sauran SSDs tare da mai sarrafa SM2262EN suna da buffer DRAM mai sauri yawanci yana kunshe da kwakwalwan kwamfuta guda biyu tare da rabin girman. Sakamakon haka, Transcend MTE220S yana aiki tare da buffer DRAM ta hanyar 16-bit maimakon 32-bit bas, wanda a cikin ka'idar na iya ɗan cutar da aiki yayin ƙananan ayyukan toshewa. Koyaya, bai kamata a yi la'akari da tasirin wannan abin ba: bas ɗin RAM mai 32-bit wani fasali ne na musamman na dandalin SM2262/SM2262EN, yayin da sauran masu sarrafa SSD ke amfani da buffer DRAM tare da bas 16-bit kuma ba sa shan wahala daga wannan a. duka.

Software

Don sabis na abubuwan sarrafa kansa, Transcend yana samar da kayan aikin SSD na musamman. Ƙarfin sa kusan na yau da kullun ga samfuran software na wannan aji, amma wasu ayyukan da aka saba ba su da tallafi saboda wasu dalilai.

SSD Scope yana ba ku damar saka idanu gabaɗayan yanayin tuƙi da tantance lafiyar sa ta hanyar samun damar yin amfani da telemetry na SMART.Mai amfani ya haɗa da gwaje-gwaje masu sauƙi na aiki, gami da duba sigar firmware da ikon sabunta shi.

Har ila yau, mai amfani yana da kayan aiki da aka gina don cloning abinda ke ciki, wanda ke ba ku damar canja wurin tsarin aiki da sauri da kuma shigar da aikace-aikacen zuwa SSD da aka saya. Bugu da kari, SSD Scope na iya sarrafa watsa umarnin TRIM zuwa tuƙi.

Don SATA SSDs, Iyali kuma na iya ba da rajistan tsararriyar walƙiya don kurakurai ko tsarin filasha mai aminci. Amma tare da Transcend MTE220S, waɗannan ayyukan biyu ba sa aiki saboda wasu dalilai.

source: 3dnews.ru