{"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\/ro\/blog\/news\/novaya-statya-obzor-nvme-ssd-nakopitelya-transcend-mte220s-dyoshevo-ne-znachit-ploho","title":{"rendered":"Articol nou: Recenzie SSD NVMe Transcend MTE220S: ieftin nu \u00eenseamn\u0103 prost","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

S-a \u00eent\u00e2mplat ca acei produc\u0103tori de unit\u0103\u021bi de stocare solide, care nu \u0219i-au \u00eenfiin\u021bat echipe proprii de dezvoltare a controlerelor \u0219i, totodat\u0103, nu doresc s\u0103 piard\u0103 din vedere pia\u021ba SSD-urilor pentru entuzia\u0219ti, s\u0103 nu aib\u0103 azi o op\u021biune special\u0103. O variant\u0103 potrivit\u0103 pentru ei, care permite organizarea de unit\u0103\u021bi de stocare cu adev\u0103rat performante cu interfa\u021ba NVMe, este oferit\u0103 de o singur\u0103 companie \u2013 Silicon Motion, care este preg\u0103tit\u0103 s\u0103 furnizeze solu\u021bii complete din controlerul s\u0103u \u0219i firmware-ul gata realizat tuturor doritorilor. Exist\u0103 \u0219i alte companii, precum Phison sau Realtek, care ofer\u0103 cipuri de baz\u0103 accesibile pentru asamblarea unit\u0103\u021bilor NVMe, dar Silicon Motion a capturat conducerea \u00een acest domeniu, oferind partenerilor nu doar solu\u021bii mai func\u021bionale, ci \u0219i cu o vitez\u0103 de reac\u021bie semnificativ mai bun\u0103.<\/p>\n

\u00cen acela\u0219i timp, dintre numeroasele SSD-uri NVMe construite pe baza controlerelor Silicon Motion, nu toate modelele pot prezenta interes pentru entuzia\u0219ti. Aceast\u0103 companie produce o gam\u0103 variat\u0103 de cipuri cu niveluri de performan\u021b\u0103 diferite, dar doar anumite platforme pot oferi performan\u021ba dorit\u0103 pentru SSD-uri destinate configura\u021biilor avansate sau de maxim\u0103 capacitate. De exemplu, anul trecut am avut cuvinte de laud\u0103 pentru controlerul SM2262: \u00een termenii anului 2018, acesta a fost cu adev\u0103rat atractiv, permi\u021b\u00e2nd SSD-urilor bazate pe el s\u0103 concureze \u00een mod egal cu cele mai bune SSD-uri NVMe de consum ale principalelor m\u0103rci, inclusiv Samsung, Western Digital \u0219i Intel.<\/p>\n

\u00cens\u0103 anul acesta situa\u021bia s-a schimbat pu\u021bin, deoarece principalii produc\u0103tori \u0219i-au actualizat modelele de top. Ca r\u0103spuns, Silicon Motion a \u00eenceput s\u0103 ofere partenerilor o versiune \u00eembun\u0103t\u0103\u021bit\u0103 a controlerului de anul trecut, SM2262EN, care promite de asemenea \u00eembun\u0103t\u0103\u021biri \u00een parametrii de performan\u021b\u0103 \u2013 \u00een primul r\u00e2nd \u00een viteza de scriere. A\u0219adar, unit\u0103\u021bile bazate pe acest cip ar trebui s\u0103 intereseze ast\u0103zi cump\u0103r\u0103torii care doresc s\u0103 ob\u021bin\u0103 un stoc solid NVMe modern \u0219i rapid, dar f\u0103r\u0103 s\u0103 pl\u0103teasc\u0103 prea mult pentru un produs de marc\u0103 A.<\/p>\n

P\u00e2n\u0103 de cur\u00e2nd, noul controler SM2262EN a fost utilizat \u00een produsele nu de mul\u021bi produc\u0103tori. De fapt, op\u021biunile se limitau la dou\u0103 variante: ADATA XPG SX8200 Pro \u0219i HP EX950. \u00cens\u0103 acum a ap\u0103rut \u0219i a treia unitate bazat\u0103 pe acest cip \u2013 fabrica\u021bia sa a fost preluat\u0103 de compania Transcend. Cu aceast\u0103 noutate, care poart\u0103 numele Transcend MTE220S, ne propunem s\u0103 ne familiariz\u0103m \u00een aceast\u0103 recenzie.<\/p>\n

\"Articol<\/p>\n

Datele ini\u021biale pentru aceast\u0103 familiarizare sunt urm\u0103toarele. HP EX950 nu este disponibil \u00een Rom\u00e2nia, iar <\/a>ADATA XPG SX8200 Pro<\/a><\/noindex> \u00een testul nostru recent nu a demonstrat nimic deosebit, oferind o performan\u021b\u0103 la nivelul dispozitivelor cu controlerul anterior SM2262. \u0218i asta \u00eenseamn\u0103 c\u0103, \u00een ciuda apari\u021biei unei versiuni noi a controlerului Silicon Image, nu am v\u0103zut \u00eenc\u0103 niciun SSD NVMe capabil s\u0103 concureze cu noul <\/a>Samsung 970 EVO Plus<\/a><\/noindex> , nu am v\u0103zut \u00eenc\u0103. Vom afla dac\u0103 Transcend MTE220S este mai interesant \u00een compara\u021bie cu ADATA XPG SX8200 Pro, tocmai de aceea facem aceast\u0103 recenz\u0103. Dar trebuie s\u0103 subliniem de la bun \u00eenceput c\u0103, chiar dac\u0103 acest SSD nu va str\u0103luci prin parametrii de vitez\u0103, ar putea fi totu\u0219i destul de interesant. Deoarece Transcend inten\u021bioneaz\u0103 s\u0103-l v\u00e2nd\u0103 la un pre\u021b surprinz\u0103tor de mic - cel pu\u021bin mic pentru un drive complet cu interfa\u021b\u0103 PCI Express 3.0 x4, buffer DRAM \u0219i memorie TLC 3D.<\/p>\n

Specifica\u021bii tehnice<\/p>\n

\u00cen detaliu, despre ce reprezint\u0103 controlerul SM2262EN, am discutat deja c\u00e2nd ne-am familiarizat cu ADATA XPG SX8200 Pro. Din punct de vedere tehnic, acest cip este construit pe dou\u0103 nuclee ARM Cortex, folose\u0219te o interfa\u021b\u0103 pe opt canale pentru gestionarea memoriei flash, are o interfa\u021b\u0103 DDR3\/DDR4 pentru buffer \u0219i suport\u0103 magistrala PCI Express 3.0 x4 cu protocol NVM Express 1.3. Cu alte cuvinte, este o solu\u021bie modern\u0103 \u0219i complet\u0103 pentru SSD-urile NVMe, care are \u0219i indicatori destul de buni de performan\u021b\u0103 teoretic\u0103 \u0219i suport\u0103 metode avansate de corectare a erorilor.<\/p>\n

Ini\u021bial, controlerul SM2262EN a fost prezentat \u00een august 2017, simultan cu SM2262 \u201esimplu\u201d, dar a fost prezentat ca o versiune \u201eavansat\u0103\u201d, ale c\u0103rei livr\u0103ri urmau s\u0103 \u00eenceap\u0103 ulterior. Se pare c\u0103 Silicon Motion a inten\u021bionat s\u0103 a\u0219tepte p\u00e2n\u0103 la apari\u021bia pe pia\u021b\u0103 a memoriei NAND 3D TLC cu 96 de straturi, pentru a oferi solu\u021bii accelerate \u00eempreun\u0103 cu memorie flash mai dens\u0103. Cu toate acestea, acest plan a fost deturnat de schimb\u0103rile de pe pia\u021b\u0103: cipurile NAND au \u00eenceput s\u0103 se ieftineasc\u0103 rapid, iar produc\u0103torii de memorie au decis s\u0103 am\u00e2ne implementarea noilor tehnologii. Drept urmare, Silicon Motion s-a s\u0103turat de a\u0219teptare \u0219i a lansat SM2262EN ca o actualizare pentru SM2262 \u00een cadrul unei platforme orientate spre lucrul cu NAND 3D TLC cu 64 de straturi.<\/p>\n

\"Articol<\/p>\n

Cu toate acestea, dac\u0103 d\u0103m crezare specifica\u021biilor formale, versiunea platformei cu controlerul SM2262EN promite totu\u0219i o \u00eembun\u0103t\u0103\u021bire a performan\u021bei: cu p\u00e2n\u0103 la 9% la citirea secven\u021bial\u0103, cu p\u00e2n\u0103 la 58% la scrierea secven\u021bial\u0103, cu p\u00e2n\u0103 la 14% la citirea aleatoare \u0219i cu p\u00e2n\u0103 la 40% la scrierea aleatoare. Dar dac\u0103 credem \u00een aceste cifre, o facem cu mare pruden\u021b\u0103. Dezvoltatorii spun clar - nu sunt prev\u0103zute modific\u0103ri \u00een construc\u021bia hardware a SM2262EN, acesta folose\u0219te exact aceea\u0219i arhitectur\u0103 ca SM2262 obi\u0219nuit. Tot avantajul se bazeaz\u0103 pe modific\u0103rile din partea software: platformele cu noul controler folosesc algoritmi de scriere \u0219i SLC-caching mai ingenio\u0219i. Cu alte cuvinte, este vorba despre o \u00eencercare de a reduce costurile, nu despre un oarecare progres \u00een mecanismele de func\u021bionare.<\/p>\n

Ce \u00eenseamn\u0103 acest lucru \u00een practic\u0103 am v\u0103zut deja c\u00e2nd am testat ADATA XPG SX8200 Pro bazat pe controlerul SM2262EN. Acest stocare s-a dovedit a fi mai rapid dec\u00e2t predecesorul s\u0103u care folose\u0219te cipul SM2262 doar \u00een benchmarcuri, dar nu a oferit \u00eembun\u0103t\u0103\u021biri notabile \u00een performan\u021ba real\u0103. Cu toate acestea, povestea cu Transcend MTE220S este pu\u021bin diferit\u0103. Aceast\u0103 unitate de stocare nu are rude apropiate \u00een gama de modele, iar pentru Transcend este un model complet nou. Pe fondul faptului c\u0103 anterior, gama acestui produc\u0103tor con\u021binea doar SSD-uri NVMe entry-level, specifica\u021biile MTE220S arat\u0103 destul de impresionante.<\/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
Produc\u0103tor<\/strong><\/td>\nTranscend<\/strong><\/td>\n<\/tr>\n
Seria<\/td>\nMTE220S<\/strong><\/strong><\/td>\n<\/tr>\n
Num\u0103r de model<\/td>\nTS256GMTE220S<\/td>\nTS512GMTE220S<\/td>\nTS1TMTE220S<\/strong><\/td>\n<\/tr>\n
Factor de form\u0103<\/td>\nM.2 2280<\/td>\n<\/tr>\n
Interfa\u021ba<\/td>\nPCI Express 3.0 x4 \u2013 NVMe 1.3<\/td>\n<\/tr>\n
Capacitate, GByte<\/td>\n256<\/td>\n512<\/td>\n1024<\/td>\n<\/tr>\n
Configura\u021bie<\/strong><\/td>\n<\/tr>\n
Cipuri de memorie: tip, interfa\u021b\u0103, proces de fabrica\u021bie, produc\u0103tor<\/td>\nMicron 64-strat 256-Gbit TLC 3D NAND<\/td>\n<\/tr>\n
Controler<\/td>\nSMI SM2262EN<\/td>\n<\/tr>\n
Buffer: tip, capacitate<\/td>\nDDR3-1866,
256 MB<\/td>\n		DDR3-1866,
512 MB<\/td>\n		DDR3-1866,
1024 MB<\/td>\n<\/tr>\n
Performan\u021b\u0103<\/strong><\/td>\n<\/tr>\n
Max. vitez\u0103 stabil\u0103 de citire secven\u021bial\u0103, MByte\/s<\/td>\n3500<\/td>\n3500<\/td>\n3500<\/td>\n<\/tr>\n
Max. vitez\u0103 stabil\u0103 de scriere secven\u021bial\u0103, MByte\/s<\/td>\n1100<\/td>\n2100<\/td>\n2800<\/td>\n<\/tr>\n
Max. viteza de citire aleatorie (blocuri de 4 KB), IOPS<\/td>\n210 000<\/td>\n210 000<\/td>\n360 000<\/td>\n<\/tr>\n
Max. viteza de scriere aleatorie (blocuri de 4 KB), IOPS<\/td>\n290 000<\/td>\n310 000<\/td>\n425 000<\/td>\n<\/tr>\n
Caracteristici fizice<\/strong><\/td>\n<\/tr>\n
Puterea consumat\u0103: inactivitate\/citire-scriere, W<\/td>\nN\/A<\/td>\n<\/tr>\n
MTBF (timp mediu \u00eentre defect\u0103ri), milioane de ore<\/td>\n1,5<\/td>\n<\/tr>\n
Resursa de scriere, TByte<\/td>\n260<\/td>\n400<\/td>\n800<\/td>\n<\/tr>\n
Dimensiuni: Lxlxh, mm<\/td>\n80 × 22 × 3,5<\/td>\n<\/tr>\n
Greutate, g<\/td>\n8<\/td>\n<\/tr>\n
Perioada de garan\u021bie, ani<\/td>\n5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Este interesant c\u0103 performan\u021ba declarat\u0103 a Transcend MTE220S este ceva mai mic\u0103 dec\u00e2t vitezele promise pentru unitatea similar\u0103 bazat\u0103 pe controlerul SM2262EN de c\u0103tre compania ADATA. Se pare c\u0103 acest lucru este legat de faptul c\u0103, de\u0219i MTE220S folose\u0219te aceea\u0219i platform\u0103 hardware-software, construc\u021bia sa difer\u0103 de referin\u021b\u0103. Pentru unitatea sa, Transcend a proiectat propriul circuit imprimat, unde, \u00een scopul reducerii costurilor, a renun\u021bat la utilizarea unui interfa\u021b\u0103 DRAM-cache pe 32 de bi\u021bi \u00een favoarea unei conexiuni mai economice, pe 16 bi\u021bi. Ca rezultat, vitezele maxime de citire \u0219i scriere aleatorie sunt reduse, iar acest lucru este deosebit de vizibil la versiunea de 512 GB.<\/p>\n

Cu toate acestea, caching-ul SLC la Transcend MTE220S func\u021bioneaz\u0103 exact la fel ca \u0219i \u00een alte unit\u0103\u021bi cu controlerul SM2262EN. Cache-ul folose\u0219te o schem\u0103 dinamic\u0103, c\u00e2nd o parte din memoria TLC este transferat\u0103 \u00een modul accelerat cu un bit. Dimensiunea cache-ului este ajustat\u0103 astfel \u00eenc\u00e2t aproximativ jum\u0103tate din memoria flash disponibil\u0103 s\u0103 func\u021bioneze \u00een modul SLC. Astfel, cu o vitez\u0103 mare, pe MTE220S se pot scrie date care constituie aproximativ a \u0219asea parte din spa\u021biul disponibil pe SSD, dup\u0103 care viteza scade semnificativ.<\/p>\n

Acest lucru poate fi ilustrat cu urm\u0103torul grafic, care arat\u0103 cum variaz\u0103 performan\u021ba scrierii secven\u021biale continue pe un Transcend MTE220S gol de 512 GB.<\/p>\n

\"Articol<\/p>\n

\u00cen modul accelerat, c\u00e2nd scrierea are loc \u00een modul SLC, versiunea de 512 gigabytes MTE220S ofer\u0103 o performan\u021b\u0103 de 1,9 GB\/s. \u00cen modul TLC, matricea de memorie flash func\u021bioneaz\u0103 semnificativ mai lent, iar dup\u0103 ce spa\u021biul liber din cache-ul SLC este epuizat, viteza scade la 460 MB\/s. Grafica arat\u0103 \u0219i a treia variant\u0103 de vitez\u0103 \u2013 275 MB\/s. Aceast\u0103 valoare a performan\u021bei \u00een scriere secven\u021bial\u0103 scade atunci c\u00e2nd memoria flash liber\u0103 nu mai este disponibil\u0103, iar pentru a plasa unele date suplimentare, controllerul trebuie mai \u00eent\u00e2i s\u0103 converteasc\u0103 celulele folosite pentru cache-ul SLC \u00een modul TLC obi\u0219nuit. \u00cen consecin\u021b\u0103, viteza medie de scriere continu\u0103 pe Transcend MTE220S de 512 GB \u201ede la \u00eenceput p\u00e2n\u0103 la sf\u00e2r\u0219it\u201d este de aproximativ 410 MB\/s, iar pentru a umple complet aceast\u0103 unitate cu date, sunt necesare cel pu\u021bin 21 de minute. Aceasta nu este o valoare prea optimist\u0103: de exemplu, acela\u0219i Samsung 970 EVO Plus poate fi complet umplut \u00een doar 10 minute.<\/p>\n

Cache-ul SLC al Transcend MTE220S are aceea\u0219i caracteristic\u0103 unic\u0103 pe care am descoperit-o deja la ADATA XPG SX8200 Pro. Datele din acesta nu sunt transferate imediat \u00een memoria obi\u0219nuit\u0103, ci doar atunci c\u00e2nd este umplut mai mult de trei sferturi. Acest lucru permite ob\u021binerea unor viteze mai mari de citire atunci c\u00e2nd se acceseaz\u0103 fi\u0219iere care au fost recent scrise. Aceast\u0103 capacitate are pu\u021bin sens \u00een utilizarea real\u0103 a SSD-ului, dar ajut\u0103 semnificativ unitatea \u00een benchmarkurile sintetice, care practic\u0103 scenarii de tip \u201escriere \u2013 citire\u201d.<\/p>\n

Cum se prezint\u0103 acest lucru \u00een practic\u0103 poate fi evaluat prin urm\u0103torul grafic de vitez\u0103 pentru citirea aleatorie a unui fi\u0219ier imediat dup\u0103 crearea sa, precum \u0219i atunci c\u00e2nd, dup\u0103 acest fi\u0219ier, pe SSD au fost scrise \u0219i alte informa\u021bii.<\/p>\n

\"Articol<\/p>\n

Aici se observ\u0103 foarte clar momentul \u00een care controllerul mut\u0103 fi\u0219ierul de test din cache-ul SLC \u00een memoria flash principal\u0103, deoarece viteza de citire a blocurilor mici scade cu aproximativ 10% \u00een acest moment. Anume cu aceast\u0103 vitez\u0103 redus\u0103 se vor confrunta utilizatorii \u00een majoritatea cazurilor, deoarece nu exist\u0103 algoritmi pentru mutarea invers\u0103 a datelor din memoria TLC \u00een cache-ul SLC \u00een firmware-ul Transcend MTE220S, iar fi\u0219ierele pot r\u0103m\u00e2ne \u00een cache-ul SLC doar dac\u0103 unitatea r\u0103m\u00e2ne liber\u0103 mai mult de 90% \u00een timpul utiliz\u0103rii.<\/p>\n

Cu alte cuvinte, \u00een ceea ce prive\u0219te gestionarea cache-ului SLC, Transcend MTE220S nu se deosebe\u0219te prea mult de alte unit\u0103\u021bi bazate pe controlerul SM2262EN. Dar asta nu \u00eenseamn\u0103 c\u0103 este asem\u0103n\u0103tor cu ADATA XPG SX8200 Pro \u00een toate privin\u021bele. Oferta Transcend are un avantaj semnificativ de alt\u0103 natur\u0103 \u2013 volumele de re\u00eenc\u0103rcare permise de condi\u021biile de garan\u021bie sunt mai ridicate. F\u0103r\u0103 a pierde garan\u021bia, unitatea poate fi re\u00eenc\u0103rcat\u0103 complet cu date de 800 de ori, iar versiunea de 256 GB \u2013 de peste 1000 de ori. Aceste valori ale duratei declarate permit s\u0103 ne a\u0219tept\u0103m c\u0103 flash-ul utilizat pentru MTE220S este de cea mai bun\u0103 calitate, ceea ce \u00eenseamn\u0103 c\u0103 fiabilitatea real\u0103 a unit\u0103\u021bii va fi pe placul chiar \u0219i a utilizatorilor care r\u0103m\u00e2n reticen\u021bi fa\u021b\u0103 de TLC 3D NAND.<\/p>\n

Aspectul exterior \u0219i interior<\/p>\n

Pentru o prezentare detaliat\u0103, de tradi\u021bie a fost aleas\u0103 modelul Transcend MTE220S cu o capacitate de 512 GB. Nu a adus nicio surpriz\u0103 prin aspectul s\u0103u, fiind o unitate obi\u0219nuit\u0103 \u00een format M.2 2280, care func\u021bioneaz\u0103 prin intermediul unui bus PCI Express 3.0 x4 \u0219i suport\u0103 protocolul NVM Express versiunea 1.3. Totu\u0219i, ambalajul \u0219i con\u021binutul livr\u0103rii MTE220S genereaz\u0103 asocieri puternice cu produse de consum ieftine. Chiar \u0219i SSD-ul f\u0103r\u0103 buffer MTE110S a fost v\u00e2ndut \u00eentr-o cutie complet\u0103, iar aceast\u0103 nou\u0103 apari\u021bie, care este pozi\u021bionat\u0103 ca o solu\u021bie de nivel superior, a fost ambalat\u0103 \u00eentr-un blister, \u00een care, pe l\u00e2ng\u0103 placa M.2 a unit\u0103\u021bii, nu exist\u0103 absolut nimic. Totul aminte\u0219te de modul \u00een care sunt livrate pe pia\u021b\u0103 cardurile microSD, \u0219i, evident, serve\u0219te scopului de a reduce costurile generale. Totu\u0219i, cu greu mai exist\u0103 cineva care alege SSD-uri \u00een func\u021bie de ambalaj.<\/p>\n

\"Articol<\/p>\n

Nu se deosebeaz\u0103 printr-un aspect deosebit nici SSD-ul \u00een cauz\u0103. \u00cen construc\u021bia sa nu sunt prev\u0103zute radiatoare, iar eticheta nu are un strat de folie termoconductoare. De asemenea, \u00een general Transcend MTE220S arat\u0103 mai degrab\u0103 ca un produs OEM dec\u00e2t ca o solu\u021bie pentru entuzia\u0219ti. Acest aspect este subliniat de materialul textolitului pl\u0103cii de circuit imprimat de un verde demodat \u0219i de eticheta pur utilitar\u0103, care nu con\u021bine nicio v\u0103dit\u0103 indica\u021bie de design \u0219i include doar informa\u021bii tehnice.<\/p>\n

\"Articol<\/p>\n

Configura\u021bia pl\u0103cii MTE220S nu poate fi numit\u0103 tipic\u0103 \u2013 aceasta, se pare, a fost modificat\u0103 de inginerii Transcend pentru nevoile lor proprii. Cel pu\u021bin, unitatea ADATA XPG SX8200 Pro, pe care am examinato anterior, ar\u0103ta complet diferit, \u00een ciuda utiliz\u0103rii unei platforme hardware asem\u0103n\u0103toare. Totu\u0219i, noul model Transcend a p\u0103strat amplasarea bidirec\u021bional\u0103 a componentelor, astfel \u00eenc\u00e2t pentru sloturile M.2 \u201ede profil joas\u0103\u201d, \u00eent\u00e2lnite \u00een laptopurile sub\u021biri, MTE220S poate s\u0103 nu fie potrivit.<\/p>\n\n\n\n
\n\"Articol\n<\/td>\n <\/td>\n\n\"Articol\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Masa de memorie flash, amplasat\u0103 pe MTE220S de 512 GB, este compus\u0103 din patru cipuri cu marcaj propriu Transcend. Este cunoscut c\u0103 fiecare dintre aceste cipuri con\u021bine c\u00e2te patru cristale de 256 de gigabi\u021bi din memorie Micron TLC 3D NAND de genera\u021bia a doua. Transcend achizi\u021bioneaz\u0103 aceast\u0103 memorie de la Micron sub form\u0103 de pl\u0103ci \u00eentregi, dar t\u0103ierea, testarea \u0219i ambalarea cristalelor de siliciu \u00een cipuri sunt responsabilitatea lor, ceea ce permite realizarea unor economii suplimentare de produc\u021bie.<\/p>\n

De asemenea, merit\u0103 s\u0103 men\u021bion\u0103m chip-ul DDR4-1866 SDRAM, situat l\u00e2ng\u0103 cipul controlerului de baz\u0103 SM2262EN. Acesta \u00eendepline\u0219te func\u021bia de buffer pentru stocarea unei copii a tabelei de translare a adreselor, dar este important de men\u021bionat c\u0103 \u00een unitatea examinat\u0103 exist\u0103 doar un astfel de chip, fabricat de Samsung, cu o capacitate de 512 MB. Acord\u0103m o aten\u021bie special\u0103 acestui aspect, deoarece alte SSD-uri cu controlerul SM2262EN au de obicei un buffer DRAM rapid format dintr-o pereche de chip-uri de dimensiuni mai mici. Ca urmare, \u00een Transcend MTE220S, lucrul cu bufferul DRAM se desf\u0103\u0219oar\u0103 prin intermediul unui bus de 16 bi\u021bi, nu de 32 de bi\u021bi, ceea ce teoretic ar putea afecta performan\u021ba \u00een opera\u021biuni de mic\u0103 amploare. Totu\u0219i, influen\u021ba acestui factor nu ar trebui supraevaluat\u0103: bus-ul de 32 de bi\u021bi pentru memoria RAM este o caracteristic\u0103 unic\u0103 a platformei SM2262\/SM2262EN, \u00een timp ce alte controlere pentru SSD-uri utilizeaz\u0103 un buffer DRAM cu bus de 16 bi\u021bi \u0219i nu sufer\u0103 din aceast\u0103 cauz\u0103.<\/p>\n

Software<\/p>\n

Pentru a \u00eentre\u021bine unit\u0103\u021bile de stocare fabricate de compania Transcend, aceasta ofer\u0103 o utilitate special\u0103 numit\u0103 SSD Scope. Capacit\u0103\u021bile acesteia sunt aproape tipice pentru produsele software din aceast\u0103 categorie, totu\u0219i unele func\u021bii obi\u0219nuite nu sunt suportate dintr-un motiv oarecare.<\/p>\n\n\n\n
\n\"Articol\n<\/td>\n <\/td>\n\n\"Articol\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

SSD Scope permite monitorizarea st\u0103rii generale a unit\u0103\u021bii de stocare \u0219i evaluarea s\u0103n\u0103t\u0103\u021bii acesteia, apel\u00e2nd la telemetria S.M.A.R.T. Utilitarul dispune de teste simple de performan\u021b\u0103, precum \u0219i de verificarea versiunii firmware-ului \u0219i posibilitatea actualiz\u0103rii acesteia.<\/p>\n\n\n\n
\n\"Articol\n<\/td>\n <\/td>\n\n\"Articol\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

De asemenea, \u00een utilitar este integrat un instrument pentru clonarea con\u021binutului discurilor, care permite realizarea unei transferuri rapide \u0219i f\u0103r\u0103 probleme a sistemului de operare \u0219i aplica\u021biilor instalate pe un SSD proasp\u0103t achizi\u021bionat. Plus, SSD Scope poate gestiona transmisia comenzii TRIM c\u0103tre unitate.<\/p>\n\n\n\n
\n\"Articol\n<\/td>\n <\/td>\n\n\"Articol\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pentru SSD-urile SATA, SSD Scope poate oferi, de asemenea, verificarea array-ului de memorie flash pentru erori sau executarea procedurii de \u201e\u0219tergere sigur\u0103\u201d a memoriei flash Secure Erase. Dar, dintr-un anumit motiv, aceste dou\u0103 func\u021bii nu func\u021bioneaz\u0103 cu Transcend MTE220S.<\/p>\n

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

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\u0440\u044b\u043d\u043e\u043a SSD \u0434\u043b\u044f \u044d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442\u043e\u0432, \u043d\u0438\u043a\u0430\u043a\u043e\u0433\u043e \u043e\u0441\u043e\u0431\u043e\u0433\u043e \u0432\u044b\u0431\u043e\u0440\u0430 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u043d\u0435 \u0438\u043c\u0435\u044e\u0442. \u041f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0439 \u0434\u043b\u044f \u043d\u0438\u0445 \u0432\u0430\u0440\u0438\u0430\u043d\u0442, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0431\u043e\u0440\u043a\u0443 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 \u0441 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c NVMe, 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