Mukugula laputopu yatsopano, mwina mwawonapo anthu akukangana ngati chipangizocho chili ndi HDD ndi yabwino kapena yokhala ndi SSD . HDD ndi chiyani apa? Tonse tikudziwa za hard disk drive. Ndi chipangizo chosungiramo zinthu zambiri chomwe chimagwiritsidwa ntchito nthawi zambiri pama PC, laputopu. Imasunga makina ogwiritsira ntchito ndi mapulogalamu ena ogwiritsira ntchito. SSD kapena Solid-State drive ndi njira ina yatsopano ya hard Disk Drive yachikhalidwe. Yabwera pamsika posachedwa m'malo mwa hard drive, yomwe yakhala chipangizo chosungirako anthu ambiri kwazaka zingapo.
Ngakhale ntchito yawo ndi yofanana ndi ya hard drive, samamangidwa ngati ma HDD kapena amagwira ntchito ngati iwo. Kusiyanaku kumapangitsa ma SSD kukhala apadera ndikupatsa chipangizocho maubwino pa hard disk. Tiuzeni zambiri za Solid-State Drives, kamangidwe kake, magwiridwe antchito, ndi zina zambiri.
Zamkatimu[ kubisa ]
- Kodi Solid-State Drive (SSD) ndi chiyani?
- Ma SSD - Mbiri yachidule
- Kodi Solid State Drives imagwira ntchito bwanji?
- Chifukwa chiyani SSD imagwiritsidwa ntchito?
- Mitundu ya ma SSD
- Kodi ma SSD angagwiritsidwe ntchito pama PC onse?
- Zolepheretsa
Kodi Solid-State Drive (SSD) ndi chiyani?
Tikudziwa kuti kukumbukira kumatha kukhala kwamitundu iwiri - wosasunthika komanso wosasunthika . SSD ndi chipangizo chosasunthika chosungirako. Izi zikutanthauza kuti deta yosungidwa pa SSD imakhalabe ngakhale mphamvu itayimitsidwa. Chifukwa cha kamangidwe kake (amapangidwa ndi flash controller ndi NAND flash memory chips), ma drive a solid-state amatchedwanso ma drive flash kapena hard-state disks.
Ma SSD - Mbiri yachidule
Ma hard disk drive adagwiritsidwa ntchito makamaka ngati zida zosungirako kwa zaka zambiri. Anthu akugwirabe ntchito pazida zokhala ndi hard disk. Ndiye, nchiyani chinapangitsa anthu kufufuza chipangizo china chosungiramo anthu ambiri? Kodi ma SSD adakhalako bwanji? Tiyeni tiyang'ane pang'ono m'mbiri kuti tidziwe zomwe zimayambitsa ma SSD.
M'zaka za m'ma 1950, panali matekinoloje a 2 omwe amagwiritsidwa ntchito mofanana ndi momwe ma SSD amagwirira ntchito, mwachitsanzo, maginito a kukumbukira kukumbukira ndi sitolo yowerengera-capacitor yokha. Komabe, posakhalitsa zinazimiririka chifukwa cha kupezeka kwa mayunitsi otsika mtengo osungira ng'oma.
Makampani monga IBM amagwiritsa ntchito ma SSD m'makompyuta awo oyambirira. Komabe, ma SSD sanali kugwiritsidwa ntchito pafupipafupi chifukwa anali okwera mtengo. Pambuyo pake, m’zaka za m’ma 1970, chipangizo china chotchedwa Electrically Alterable Rom idapangidwa ndi General Instruments. Izinso sizinatenge nthawi. Chifukwa cha kulimba, chipangizochi sichinayambe kutchuka.
M'chaka cha 1978, SSD yoyamba idagwiritsidwa ntchito m'makampani amafuta kuti apeze data ya seismic. Mu 1979, kampani ya StorageTek idapanga RAM SSD yoyamba.
Ram -Ma SSD okhazikika adagwiritsidwa ntchito kwa nthawi yayitali. Ngakhale kuti anali achangu, amadya zambiri za CPU ndipo anali okwera mtengo. Kumayambiriro kwa 1995, ma SSD opangidwa ndi flash adapangidwa. Kuyambira kukhazikitsidwa kwa ma SSD opangidwa ndi flash, ntchito zina zamakampani zomwe zimafunikira zapadera MTBF (nthawi yeniyeni pakati pa zolephera) mlingo, m'malo HDDs ndi SSDs. Ma drive olimba amatha kupirira kugwedezeka kwakukulu, kugwedezeka, kusintha kwa kutentha. Motero akhoza kuthandizira zololera Mtengo wapatali wa magawo MTBF.
Kodi Solid State Drives imagwira ntchito bwanji?
Ma SSD amamangidwa pomanga tchipisi tomwe timalumikizirana mu gridi. Ma chips amapangidwa ndi silicon. Chiwerengero cha tchipisi mu stack chimasinthidwa kuti chikwaniritse makulidwe osiyanasiyana. Kenako amaikidwa ndi ma transistors oyandama a pachipata kuti agwire. Chifukwa chake, deta yosungidwa imasungidwa mu SSDs ngakhale atachotsedwa pamagetsi.
SSD iliyonse imatha kukhala ndi imodzi mwama mitundu itatu ya kukumbukira - ma cell a single level, multilevel kapena patatu.
imodzi. Maselo amtundu umodzi ndi othamanga kwambiri komanso okhalitsa kuposa ma cell onse. Choncho, iwonso ndi okwera mtengo kwambiri. Izi zimamangidwa kuti zizisunga pang'ono data nthawi iliyonse.
awiri. Maselo ambiri imatha kusunga magawo awiri a data. Kwa malo opatsidwa, amatha kusunga zambiri kuposa ma cell amtundu umodzi. Komabe, ali ndi vuto - liwiro lawo lolemba limachedwa.
3. Maselo a magawo atatu ndi otsika mtengo kwambiri. Zimakhala zolimba. Maselowa amatha kusunga ma data atatu mu selo imodzi. Amalemba liwiro ndiye pang'onopang'ono.
Chifukwa chiyani SSD imagwiritsidwa ntchito?
Ma Hard Disk Drives akhala chida chosungira chosungira cha machitidwe, kwa nthawi yayitali. Chifukwa chake, ngati makampani akusunthira ku SSD, mwina pali chifukwa chabwino. Tiyeni tiwone chifukwa chake makampani ena amakonda ma SSD pazinthu zawo.
Mu HDD yachikhalidwe, muli ndi ma motors ozungulira mbale, ndipo mutu wa R/W umayenda. Mu SSD, kusungirako kumasamalidwa ndi flash memory chips. Choncho, palibe magawo osuntha. Izi kumawonjezera kulimba kwa chipangizocho.
M'ma laputopu okhala ndi ma hard drive, chipangizo chosungira chimadya mphamvu zambiri pozungulira mbale. Popeza ma SSD alibe magawo osuntha, ma laputopu okhala ndi ma SSD amadya mphamvu zochepa. Pomwe makampani akugwira ntchito yomanga ma HDD osakanizidwa omwe amagwiritsa ntchito mphamvu zochepa pozungulira, zipangizo zosakanizidwa izi mwina kudya mphamvu zambiri kuposa olimba-boma pagalimoto.
Chabwino, zikuwoneka ngati kusakhala ndi magawo osuntha kumabwera ndi zabwino zambiri. Apanso, kusakhala ndi mbale zopota kapena kusuntha mitu ya R / W kumatanthauza kuti deta imatha kuwerengedwa kuchokera pagalimoto nthawi yomweyo. Ndi ma SSD, latency imachepa kwambiri. Chifukwa chake, makina okhala ndi ma SSD amatha kugwira ntchito mwachangu.
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Ma HDD ayenera kusamaliridwa mosamala. Popeza ali ndi ziwalo zosuntha, zimakhala zomveka komanso zosalimba. Nthawi zina, ngakhale kugwedezeka pang'ono kuchokera kudontho kumatha kuwononga HDD . Koma ma SSD ali pamwamba apa. Amatha kupirira bwino kuposa ma HDD. Komabe, popeza ali ndi malire owerengera, amakhala ndi moyo wokhazikika. Amakhala osagwiritsidwa ntchito nthawi yolemba ikatha.
Mitundu ya ma SSD
Zina mwazinthu za SSD zimatengera mtundu wawo. M'chigawo chino, tikambirana mitundu yosiyanasiyana ya ma SSD.
imodzi. 2.5 - Poyerekeza ndi ma SSD onse omwe ali pamndandanda, iyi ndiye yochedwa kwambiri. Koma ikadali yachangu kuposa HDD. Mtundu uwu umapezeka pamtengo wabwino kwambiri pa GB. Ndiwo mtundu wamba wa SSD womwe ukugwiritsidwa ntchito masiku ano.
awiri. mSATA - m imayimira mini. ma mSATA SSD amathamanga kuposa ma 2.5. Amakondedwa pazida (monga ma laputopu ndi zolemba) pomwe malo sakhala opambana. Ali ndi mawonekedwe ang'onoang'ono. Pomwe bolodi yozungulira mu 2.5 idatsekedwa, zomwe zili mu mSATA SSD zilibe kanthu. Mtundu wawo wolumikizira umasiyananso.
3. SATA III - Izi zili ndi kulumikizana komwe kumagwirizana ndi SSD ndi HDD. Izi zidadziwika pomwe anthu adayamba kusintha kupita ku SSD kuchokera ku HDD. Ndi liwiro la 550 MBps. Kuyendetsa kumalumikizidwa ndi bolodi la amayi pogwiritsa ntchito chingwe chotchedwa SATA chingwe kuti chikhale chodzaza.
Zinayi. PCIe - PCIe imayimira Peripheral Component Interconnect Express. Ili ndi dzina lomwe limaperekedwa ku slot yomwe nthawi zambiri imakhala ndi makadi ojambula, makadi amawu, ndi zina zotero. Ma PCIe SSD amagwiritsa ntchito slot iyi. Iwo ndi othamanga kwambiri kuposa onse ndipo mwachibadwa, okwera mtengo kwambiri. Amatha kufika pa liwiro lokwera pafupifupi kanayi kuposa a SATA galimoto .
5. M.2 - Monga ma drive a mSATA, ali ndi bolodi lopanda kanthu. Ma drive a M.2 ndi ang'ono kwambiri pamitundu yonse ya SSD. Izi zimagona bwino pa boardboard. Ali ndi pini yaing'ono yolumikizira ndipo amatenga malo ochepa kwambiri. Chifukwa cha kukula kwawo kochepa, amatha kutentha mofulumira, makamaka pamene liwiro liri lalikulu. Chifukwa chake, amabwera ndi chowotchera chomangidwira / chotenthetsera. Ma SSD a M.2 akupezeka mu SATA ndi Mitundu ya PCIe . Chifukwa chake, ma drive a M.2 amatha kukhala amitundu yosiyanasiyana komanso kuthamanga. Ngakhale ma drive a mSATA ndi 2.5 sangathe kuthandizira NVMe (zomwe tidzawona pambuyo pake), ma drive a M.2 angathe.
6. NVMe - NVMe imayimira Non-Volatile Memory Express . Mawuwa amatanthauza mawonekedwe kudzera ndi ma SSD monga PCI Express ndi M.2 kusinthanitsa deta ndi wolandira. Ndi mawonekedwe a NVMe, munthu amatha kuthamanga kwambiri.
Kodi ma SSD angagwiritsidwe ntchito pama PC onse?
Ngati ma SSD ali ndi zambiri zoti apereke, chifukwa chiyani sanasinthiretu ma HDD ngati chida chachikulu chosungira? Cholepheretsa chachikulu pa izi ndi mtengo. Ngakhale mtengo wa SSD tsopano ndi wocheperako kuposa momwe unalili, italowa msika, Ma HDD akadali njira yotsika mtengo . Poyerekeza ndi mtengo wa hard drive, SSD imatha mtengo pafupifupi katatu kapena kanayi kuposa. Komanso, pamene mukuwonjezera mphamvu yoyendetsa galimoto, mtengo umakwera mofulumira. Chifukwa chake, sichinakhale njira yopezera ndalama pamakina onse.
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Chifukwa china chomwe ma SSD sanalowe m'malo mwa HDD ndi mphamvu. Dongosolo lomwe lili ndi SSD limatha kukhala ndi mphamvu kuyambira 512GB mpaka 1TB. Komabe, tili ndi makina a HDD omwe ali ndi ma terabytes angapo osungira. Chifukwa chake, kwa anthu omwe akuyang'ana zazikulu, ma HDD akadali njira yawo yopangira.
Zolepheretsa
Tawona mbiri kumbuyo kwa chitukuko cha SSD, momwe SSD imamangidwira, phindu lomwe limapereka, ndi chifukwa chake sichinagwiritsidwe ntchito pa ma PC / laptops onse panobe. Komabe, luso lililonse laukadaulo limabwera ndi zovuta zake. Ndi kuipa kotani kwa hard-state drive?
imodzi. Lembani liwiro - Chifukwa chakusowa kwa magawo osuntha, SSD imatha kupeza deta nthawi yomweyo. Komabe, latency yokha ndiyotsika. Pamene deta iyenera kulembedwa pa disk, deta yam'mbuyo iyenera kufufutidwa kaye. Chifukwa chake, ntchito zolembera zimachedwa pa SSD. Kusiyana kwa liwiro sikungawonekere kwa ogwiritsa ntchito wamba. Koma ndithu sangathe pamene mukufuna kusamutsa yaikulu kuchuluka kwa deta.
awiri. Kutayika kwa data ndi kuchira - Deta yochotsedwa pama drive olimba-state imatayika mpaka kalekale. Popeza palibe kopi yosungidwa ya data, izi ndizovuta kwambiri. Kutaya kosatha kwa deta tcheru kungakhale chinthu choopsa. Choncho, mfundo yakuti munthu sangathe kupezanso deta yotayika ku SSD ndi malire ena apa.
3. Mtengo - Izi zitha kukhala zolepheretsa kwakanthawi. Popeza ma SSD ndiukadaulo waposachedwa, ndizachilengedwe kuti ndi okwera mtengo kuposa ma HDD achikhalidwe. Tawona kuti mitengo yakhala ikutsika. Mwina m'zaka zingapo, mtengowo sudzakhala cholepheretsa anthu kusamukira ku SSD.
Zinayi. Utali wamoyo - Tsopano tikudziwa kuti deta imalembedwa ku disk pochotsa deta yam'mbuyo. SSD iliyonse ili ndi nambala yokhazikika yolemba / kufufuta. Chifukwa chake, pamene mukuyandikira malire olembera / kufufuta, magwiridwe antchito a SSD angakhudzidwe. Ma SSD apakati amabwera ndi kuzungulira kwa 1,00,000 kulemba / kufufuta. Nambala yomalizirayi ifupikitsa moyo wa SSD.
5. Kusungirako - Monga mtengo, izi zitha kukhalanso zochepetsera kwakanthawi. Pofika pano, ma SSD akupezeka pang'ono chabe. Kwa ma SSD apamwamba, munthu ayenera kutulutsa ndalama zambiri. Ndi nthawi yokha yomwe ingatiuze ngati titha kukhala ndi ma SSD otsika mtengo okhala ndi mphamvu zabwino.
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