A halin yanzu, yawancin shahararrun suna samun karɓar siginar-jihohi ko SSD (Solid State Drive). Wannan shi ne saboda gaskiyar cewa suna iya samar da fayilolin karanta-rubutu da sauri da aminci. Ba kamar ƙwaƙwalwa na al'ada ba, babu motsi, kuma ƙwaƙwalwar ƙwaƙwalwar ajiya ta musamman - NAND - ana amfani dasu don adana bayanai.
A lokacin rubuce-rubuce, ana amfani da nau'i guda uku na ƙwaƙwalwar ajiya a cikin SSD: MLC, SLC da TLC, kuma a cikin wannan labarin za mu yi ƙoƙari mu gano wanda ya fi kyau kuma abin da ke bambanta tsakanin su.
Binciken kwatankwacin nau'ikan ƙwaƙwalwar ajiyar SLC, MLC da TLC
An ambaci sunan ƙwaƙwalwar NAND a bayan nau'i na musamman na alamar bayanai - BA DA (ma'ana ba Ni) ba. Idan ba ku shiga bayanan fasaha ba, to, muna cewa NAND shirya bayanai a cikin kananan tubalan (ko shafuka) kuma yana ba ka damar samun babban bayanan bayanai.
Yanzu bari mu dubi wane nau'i na ƙwaƙwalwar ajiya ana amfani dashi a cikin kwaskwarima.
Siffar Matsakaici (SLC)
SLC wani nau'i ne na ƙwaƙwalwar ajiya wanda aka yi amfani da ƙwayoyin ƙwaƙwalwar ajiya guda ɗaya don adana bayanai (ta hanyar, fassarar sauti a cikin sauti na Rasha kamar "ƙirar ɗaki ɗaya"). Wato, an ajiye ɗayan bayanai a cikin tantanin halitta daya. Wannan ƙungiyar tanada ta samar da damar samar da gudunmawar sauri da kuma babbar mahimman bayanai. Sabili da haka, gudunmawar karatun ya kai 25 ms, kuma yawan haruffa na sake rubutawa shine 100'000. Duk da haka, duk da sauki, SLC wani nau'in ƙwaƙwalwar ajiya mai tsada.
Abubuwa:
- Babban karanta / rubuta gudun;
- Kyakkyawan sake rubutawa hanya.
Fursunoni:
- Babban farashi
Multi Level Level (MLC)
Mataki na gaba a cigaban ƙwaƙwalwar ajiyar ƙwaƙwalwar ajiya shine ƙwayar MLC (a cikin Rasha, yana da kama da "ƙwayar halitta"). Ba kamar SLC ba, yana amfani da kwayoyin halitta guda biyu da ke adana ɗakuna biyu na bayanai. Saurin karatun rubutu ya kasance babba, amma ƙarfin hali ya rage. Da yake magana a cikin lambobi, a nan madaidaicin karatun shi ne 25 ms, kuma yawan adadin haruffan sake rubutawa shine 3,000. Wannan nau'i ne mai rahusa, saboda haka an yi amfani dashi a mafi yawan kwakwalwa.
Abubuwa:
- Ƙananan kuɗi;
- Babban karanta / rubuta gudun idan aka kwatanta da disks na yau da kullum.
Fursunoni:
- Ƙananan yawan haruffa sake rubutawa.
Sakamakon Matsayi Uku (TLC)
Kuma a ƙarshe, nau'in ƙwaƙwalwar ajiyar na uku shine TLC (harshen Rasha na sunan irin wannan ƙwaƙwalwar ajiya kamar "ƙirar uku"). Game da waɗannan da suka gabata, wannan nau'i ne mai rahusa kuma a halin yanzu an yi amfani da ita a cikin tafiyar da kudade na kasafin kudi.
Wannan nau'in ya fi yawa, 3 an ajiye su a nan a kowace tantanin halitta. Hakan kuma, ƙananan rage rage karanta / rubuta sauri kuma ya rage ƙarfin jitawali. Ba kamar sauran nau'ikan ƙwaƙwalwar ajiya ba, gudun nan a nan ya rage zuwa 75 ms, kuma yawan adadin maimaita sakewa shine har zuwa 1,000.
Abubuwa:
- Babban bayanan ajiyar bayanai;
- Low kudin.
Fursunoni:
- Ƙananan yawan haruffan sake rubutawa;
- Low karanta / rubuta gudun.
Kammalawa
Ƙararrawa, ana iya lura cewa mafi yawan ƙwaƙwalwar ajiyar ƙwaƙwalwar ajiyar ƙwaƙwalwa shine SLC. Duk da haka, saboda farashi mai tsada, nau'ikan kuɗi sun kulla wannan ƙwaƙwalwar.
Budget, kuma a lokaci guda, ƙananan gudu shine irin TLC.
Kuma a karshe, ma'anar zinare shine nau'in MLC, wanda ke ba da gudunmawar sauri da kuma dogara idan aka kwatanta da kwaskwarima na al'ada kuma ba nau'i mai tsada ba ne. Don ƙarin kwatanci, duba tebur a kasa. Anan ne ainihin sigogi na nau'ikan ƙwaƙwalwar ajiyar wanda aka kwatanta shi.
