Lokacin zabar tsayayyen jihar drive na SSD don amfani da gida, zaku iya samun halayyar kamar nau'in ƙwaƙwalwar ajiya da aka yi amfani da mamaki wanda yafi kyau - MLC ko TLC (kuna iya samun wasu zaɓuɓɓuka don tsara nau'in ƙwaƙwalwar ajiya, alal misali, V-NAND ko 3D NAND ) Hakanan kwanan nan ya bayyana kyawawan farashi masu mahimmanci tare da ƙwaƙwalwar QLC.
A cikin wannan bita don masu farawa, zamuyi bayani dalla-dalla game da nau'in ƙwaƙwalwar filasha da ake amfani da su a cikin SSDs, fa'idodin su da rashin amfanin su, kuma wanne zaɓi zai fi dacewa lokacin sayen sifaffen ƙasa. Hakanan yana iya zama da amfani: Tabbatar da SSD don Windows 10, Yadda za a canja wurin Windows 10 daga HDD zuwa SSD, Yadda za a gano saurin SSD.
Nau'in ƙwaƙwalwar filasha da aka yi amfani da shi a cikin SSD don amfanin gida
SSD tana amfani da ƙwaƙwalwar walƙiya, wacce ƙwaƙwalwar ajiya ce ta musamman musamman dangane da abubuwan haɗin kai, waɗanda ke iya bambanta da nau'in.
A cikin sharuddan gabaɗaya, ƙwaƙwalwar walƙiya da aka yi amfani da ita a SSD za a iya raba su zuwa nau'ikan da ke gaba.
- Ta hanyar ƙa'idar karanta-rubuce, kusan duk wadatattun masu amfani da SSDs nau'in NAND ne.
- Dangane da fasahar adana bayanai, ƙwaƙwalwar ta kasu kashi biyu ne (SLC) A farkon lamari, tantanin na iya adana bayanai guda, a na biyu - fiye da ɗaya bit. A wannan yanayin, a cikin SSD don amfanin gida ba za ku sami ƙwaƙwalwar SLC ba, kawai MLC.
Bi da bi, TLC shima mallakar nau'in MLC ne, banbancin shine a maimakon adadin abubuwa guda 2 zai iya adana 3 adadin bayanai a cikin ƙwaƙwalwar ƙwaƙwalwar ajiya (maimakon TLC zaka iya ganin ƙirar 3-bit MLC ko MLC-3). Wato, TLC wata alama ce ta ƙwaƙwalwar MLC.
Wanne ya fi kyau - MLC ko TLC
Gabaɗaya, ƙwaƙwalwar MLC tana da fa'ida sama da TLC, babban cikinsu akwai:
- Saurin sauri.
- Dogon sabis.
- Karancin amfani da wutar lantarki.
Rashin kyau shine mafi girma farashin MLC idan aka kwatanta da TLC.
Koyaya, yakamata a ɗauka a zuciya cewa muna magana ne akan "shari'ar gaba ɗaya", a cikin na'urori na gaske akan siyarwa zaka iya gani:
- Saurin aiki daidai (sauran abubuwa sun zama daidai) don SSDs tare da ƙwaƙwalwar TLC da MLC waɗanda aka haɗa ta hanyar SATA-3. Haka kuma, kwastomomi daban-daban na TLC tare da PCI-E NVMe na iya wasu lokuta suyi sauri sama da kwatankwacin kwali mai kama da PCI-E MLC (duk da haka, idan mukayi magana game da "saman-karshen", mafi tsada da sauri SSDs, har yanzu suna Yawancin lokaci ana amfani da ƙwaƙwalwar MLC, amma kuma ba koyaushe ba).
- Tsarin Garantin Lokaci mafi tsayi (TBW) don TLC ƙwaƙwalwar ajiya daga masana'anta guda ɗaya (ko layin fitarwa) idan aka kwatanta da ƙwaƙwalwar MLC daga wani masana'anta (ko wani layin SSD).
- Yi kama da amfani da wutar lantarki - alal misali, SATA-3 drive tare da ƙwaƙwalwar TLC na iya cinye iko da ƙasa da wuta sau goma fiye da ƙarfin PCI-E tare da ƙwaƙwalwar MLC. Haka kuma, don nau'in ƙwaƙwalwar ajiya guda ɗaya da kuma haɗin haɗin haɗin haɗin yanar gizo, bambancin amfani da wutar lantarki shima ya bambanta dangane da takamaiman tuƙin.
Kuma waɗannan ba duka ma'auni bane: saurin, rayuwa sabis da amfani da wutar lantarki suma zasu bambanta da “tsara” na tuƙin (sababbi, a matsayin mai mulkin, sunfi ci gaba: a halin yanzu SSDs suna ci gaba da haɓakawa), jimlar ta da adadin sarari kyauta lokacin amfani da har ma da yanayin zafin jiki lokacin amfani (don saurin NVMe da sauri).
Sakamakon haka, tabbataccen hukunci mai dacewa cewa MLC ta fi TLC ba za a iya bayar da shi ba - alal misali, ta hanyar sayen mafi ƙarfi da sabon SSD tare da TLC da kyakkyawan halaye, zaku iya cin nasara a dukkan fannoni idan aka kwatanta da siyan tuƙa tare da MLC a farashin guda, t .e. duk sigogi ya kamata a la'akari, kuma yakamata a fara nazarin tare da ƙarancin siyan kuɗi mai tsada (alal misali, yin magana game da kasafin kuɗi har zuwa 10,000 rubles, yawanci tuka tare da ƙwaƙwalwar TLC zai fi dacewa ga MLC don duka na'urorin SATA da PCI-E).
SSDs tare da ƙwaƙwalwar QLC
Tun daga ƙarshen bara, maƙeran ƙasa-ƙasa tare da ƙwaƙwalwar QLC (ƙwaƙwalwar matakin quad, i.e. 4 rago a cikin ƙwaƙwalwar ƙwaƙwalwa ɗaya) ya bayyana akan siyarwa, kuma, tabbas, a cikin 2019 za a sami ƙarin irin waɗannan fareti, kuma alkawuran farashin su zama kyakkyawa.
Samfuran na ƙarshe ana nuna su ta hanyar wadata da kwanciyar hankali masu zuwa idan aka kwatanta da MLC / TLC:
- Costananan farashi da gigabyte
- Ingantaccen ƙwaƙwalwar ƙwaƙwalwar ajiya don sawa da, a ka'ida, mafi girman yiwuwar kuskuren rikodin bayanai
- Saurin data rubuta saurin
Magana game da takamaiman lambobi har yanzu yana da wahala, amma wasu misalai na waɗanda suka riga na siyarwa za a iya yin nazarinsu: alal misali, idan kun ɗauki kusan 512 GB M.2 SSD na tuhuma daga Intel dangane da QLC 3D NAND da TLC 3D NAND ƙwaƙwalwar, nazarin ƙayyadaddun mai ƙira. gani:
- 6-7 dubu rubles akan 10-11 dubu rubles. Kuma akan farashin 512 GB TLC, zaka iya siyan 1024 GB QLC.
- Matsayin da aka bayar na bayanan da aka yi rikodin (TBW) shine tarin fuka 100 a kan 288 TB.
- Saurin rubutu / karatu shine 1000/1500 da 1625/3230 Mb / s.
A gefe guda, fursunoni na iya yin sama da fa'idar farashin. A gefe guda, zaku iya yin la'akari da irin waɗannan lokacin: don SATA disks (idan kuna da irin wannan hanyar dubawa kawai) ba za ku lura da bambanci a cikin sauri ba kuma haɓakar saurin zai kasance mai mahimmanci idan aka kwatanta da HDD, kuma sigar TBW na QLC SSD shine 1024 GB (wanda a cikin nawa Misalin yana ɗaukar daidai kamar 512 GB TLC SSD) tuni 200 TB (mafi girma mai ƙarfi-jihar tafiyarwa "rayuwa" tsawon, saboda hanyar da aka yi rikodin su).
-Waƙwalwar V-NAND, 3D NAND, 3D TLC, da sauransu.
A cikin kwatancen kwatancen SSD (musamman idan ya zo ga Samsung da Intel) a cikin kantuna da sake dubawa zaku iya samun zane-zanen V-NAND, 3D-NAND da makamantansu don nau'in ƙwaƙwalwa.
Wannan ƙira yana nuna cewa ƙwaƙwalwar ƙwaƙwalwar filayen suna kasancewa akan kwakwalwan kwamfuta a cikin yadudduka da yawa (a cikin kwakwalwan kwamfuta masu sauƙi, ƙwayoyin suna cikin yanki ɗaya, ƙari akan Wikipedia), yayin da wannan shine ƙwaƙwalwar TLC ko MLC guda ɗaya, amma ba a nuna wannan sarai ko'ina ba: misali, ga Samsung SSDs kawai zaka ga cewa ana amfani da ƙwaƙwalwar V-NAND, duk da haka, bayani cewa layin EVO yana amfani da V-NAND TLC, kuma layin PRO ba koyaushe yana nuna V-NAND MLC ba. Hakanan a yanzu QLC 3D NAND tafiyarwa sun bayyana.
Shin 3D NAND yafi kyau fiye da ƙuƙwalwar planar? Yana da rahusa a kera kuma gwaje-gwaje sun ba da shawara cewa a yau don ƙwaƙwalwar TLC, zaɓin mai shimfiɗa na yawanci ya fi dacewa da aminci (ƙari ga hakan, Samsung ya yi iƙirarin cewa ƙwaƙwalwar V-NAND TLC yana da mafi kyawun aikin da rayuwar sabis sama da MLC planar). Koyaya, don ƙwaƙwalwar MLC, gami da cikin tsarin na'urori na masana'antun guda, wannan bazai yiwu ba. I.e. sake, duk yana dogara ne akan takamaiman na'urar, kasafin ku da sauran sigogi waɗanda ya kamata a yi nazarin su kafin su sayi SSD.
Zan yi farin cikin bayar da shawarar Samsung 970 Pro a kalla 1 TB a matsayin kyakkyawan zaɓi don kwamfutar gida ko kwamfutar tafi-da-gidanka, amma galibi ana sayan diski mai rahusa, wanda dole ne kuyi nazarin gabaɗayan halayen kuma ku gwada su da ainihin abin da ake buƙata daga tuƙin.
Don haka rashin bayyananniyar amsa, kuma wane irin ƙwaƙwalwar ajiya ne mafi kyau. Tabbas, SSD mai ƙarfi tare da MLC 3D NAND cikin sharuddan saiti na halaye zai ci nasara, amma muddin ana la'akari da waɗannan halaye a cikin ware daga farashin abin tuƙin. Idan muka yi la'akari da wannan sigar, ban cire yiwuwar cewa dissoshin QLC zai fi dacewa ga wasu masu amfani ba, amma “tsakiyar ƙasa” shine ƙwaƙwalwar TLC. Kuma ko da wane SSD kuka zaɓi, Ina bayar da shawarar ɗaukar madadin mahimman bayanai da mahimmanci.
