Kodi Solid-State Drive (SSD) ndi chiyani?

Pogula laputopu yatsopano, mwina mwawonapo anthu akukambirana ngati chida chokhala ndi HDD ndichabwino kapena chomwe chili ndi SSD. Kodi HDD ndi chiyani apa? Tonsefe timadziwa za hard disk drive. Ndi chida chosungira chomwe chimagwiritsidwa ntchito ma PC, ma laputopu. Imasungira makina opangira ndi mapulogalamu ena. Galimoto ya SSD kapena Solid-State ndi njira ina yatsopano ya Hard Disk Drive. Idabwera kumsika posachedwa m'malo mwa hard drive, yomwe yakhala chida choyambirira chosungira zinthu kwa zaka zingapo.

Ngakhale ntchito yawo ndi yofanana ndi ya hard drive, samangidwa ngati ma HDD kapena kugwira ntchito ngati iwo. Kusiyana kumeneku kumapangitsa ma SSD kukhala apadera ndikupatsa chipangizocho phindu pa hard disk. Tiuzeni zambiri za Ma Solid-State Drives, kapangidwe kake, momwe amagwirira ntchito, ndi zina zambiri.



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Kodi Solid-State Drive (SSD) ndi chiyani?



Zamkatimu

Kodi Solid-State Drive (SSD) ndi chiyani?

Tikudziwa kuti kukumbukira kumatha kukhala kwamitundu iwiri - wosakhazikika komanso wosakhazikika . SSD ndi chida chosungira chosasunthika. Izi zikutanthauza kuti deta yosungidwa pa SSD imakhalabe ngakhale magetsi atayimitsidwa. Chifukwa cha kapangidwe kake (amapangidwa ndi chowongolera chowunikira ndi ma NAND flash memory chips), ma drive olimba amatchedwanso ma drive kapena ma disk olimba.



SSD - Mbiri yachidule

Ma hard disk drive anali ogwiritsidwa ntchito kwambiri ngati zida zosungira kwazaka zambiri. Anthu akugwirabe ntchito pazida zokhala ndi hard disk. Ndiye, nchiyani chomwe chidakakamiza anthu kuti afufuze njira ina yosungira zinthu zambiri? Kodi ma SSD adakhalapo bwanji? Tiyeni tiwone pang'ono m'mbiri kuti tidziwe zomwe zimapangitsa ma SSD.

M'zaka za m'ma 1950, panali matekinoloje awiri omwe amagwiritsidwa ntchito chimodzimodzi momwe ma SSD amagwirira ntchito, monga maginito oyambira kukumbukira ndi malo ogulitsira owerenga makhadi okha. Komabe, posakhalitsa adazimiririka chifukwa chopezeka ndi zida zosungira zotsika mtengo.

Makampani monga IBM amagwiritsa ntchito ma SSD m'ma supercomputer awo oyamba. Komabe, ma SSD sankagwiritsidwa ntchito nthawi zambiri chifukwa anali okwera mtengo. Pambuyo pake, m'ma 1970, chida chotchedwa Electrically Alterable CHIPINDA anapangidwa ndi General Instruments. Izi, nazonso, sizinakhalitse. Chifukwa chokhazikika, chipangizochi sichinadziwikenso.



M'chaka cha 1978, SSD yoyamba idagwiritsidwa ntchito m'makampani amafuta kuti apeze zidziwitso za zivomerezi. Mu 1979, kampani ya StorageTek idakhazikitsa RAM SSD yoyamba.

Ram -zotengera ma SSD anali akugwiritsidwa ntchito kwanthawi yayitali. Ngakhale anali othamanga, amawononga ndalama zambiri za CPU ndipo anali okwera mtengo kwambiri. Kumayambiriro kwa 1995, ma SSD ofotokoza za Flash adapangidwa. Chiyambireni ma SSD ofunikira, ntchito zina zamakampani zomwe zimafunikira zapadera MTBF (nthawi yotanthauza pakati pazolephera) rate, m'malo mwa HDD ndi ma SSD. Ma drive olimba amatha kulimbana ndi kugwedezeka kwakukulu, kugwedezeka, kusintha kwa kutentha. Potero amatha kuthandizira Mitengo ya MTBF.

Kodi Ma Solid State Drives amagwira ntchito bwanji?

Ma SSD amamangidwa ndi kuphatikiza pamodzi zokumbukira zolumikizidwa mu gridi. Tchipisi timapangidwa ndi silicon. Chiwerengero cha tchipisi tokwanira chimasinthidwa kuti tikwaniritse zovuta zosiyanasiyana. Kenako, amakhala ndi ma transistors oyandama pamageti kuti agwire. Chifukwa chake, zosungidwa zimasungidwa mu SSD ngakhale zitadulidwa ku magetsi.

SSD iliyonse imatha kukhala ndi imodzi mwazinthu za mitundu itatu yokumbukira - gawo limodzi, magawo angapo kapena magawo atatu.

1. Maselo osakwatira ndiwo maselo othamanga kwambiri komanso okhazikika kwambiri m'maselo onse. Chifukwa chake, ndiwo okwera mtengo kwambiri. Izi zimamangidwa kuti zizisunga deta imodzi nthawi iliyonse.

2. Maselo amitundu yambiri imatha kukhala ndi ma data awiri. Pamalo opatsidwa, amatha kusunga zambiri kuposa ma cell amodzi. Komabe, ali ndi zovuta - kuthamanga kwawo kolemba kumachedwa.

3. Maselo amitundu itatu ndiwo wotsika mtengo kwambiri pa maere. Sakhazikika. Maselowa amatha kusunga ma data atatu mu selo limodzi. Amalemba liwiro ndi lochedwa kwambiri.

Chifukwa chiyani SSD imagwiritsidwa ntchito?

Ma Hard Hard Disk akhala chida chosungira chosungira machitidwe, kwanthawi yayitali. Chifukwa chake, ngati makampani akusamukira kuma SSD, mwina pali chifukwa chomveka. Tiyeni tiwone chifukwa chake makampani ena amakonda ma SSD pazogulitsa zawo.

Mu HDD yachikhalidwe, muli ndi magalimoto oyendetsa mbale, ndipo mutu wa R / W umayenda. Mu SSD, kusungirako kumasamalidwa ndi tchipisi tomwe timakumbukira. Chifukwa chake, palibe magawo osuntha. Izi imapangitsa kulimba kwa chipangizocho.

Mumalaputopu okhala ndi ma hard drive, chosungira chimawononga mphamvu zambiri kuti izungulire mbaleyo. Popeza ma SSD alibe magawo osuntha, ma laputopu omwe ali ndi ma SSD amadya mphamvu zochepa. Pomwe makampani akugwira ntchito yopanga ma HDD a hybrid omwe amawononga mphamvu zochepa kwinaku akupota, Zida zosakanizidwa zitha kudya mphamvu zochulukirapo kuposa zoyendetsa zolimba.

Chabwino, zikuwoneka ngati kusakhala ndi magawo aliwonse osuntha kumabwera ndi maubwino ambiri. Apanso, kusakhala ndi mbale zoyenda kapena kusuntha mitu ya R / W kumatanthauza kuti deta imatha kuwerengedwa pagalimoto nthawi yomweyo. Ndi ma SSD, latency imachepa kwambiri. Chifukwa chake, makina okhala ndi SSD atha kugwira ntchito mwachangu.

Analimbikitsa: Kodi Microsoft Word ndi chiyani?

Ma HDD amafunika kusamalidwa bwino. Popeza ali ndi ziwalo zosunthira, zimakhala zovuta komanso zosalimba. Nthawi zina, ngakhale kugwedezeka kwakung'ono kuchokera pakadontho kumatha kuwononga HDD . Koma ma SSD ali pamwamba pano. Amatha kupirira zovuta kuposa ma HDD. Komabe, popeza ali ndi malire angapo a zolembedwa, amakhala ndi moyo wokhazikika. Zimakhala zosagwiritsidwa ntchito pakangotha ​​zolemba zawo.

Onani Ngati Drive Yanu ndi SSD kapena HDD mkati Windows 10

Mitundu ya ma SSD

Zina mwazinthu za SSD zimakhudzidwa ndi mtundu wawo. M'chigawo chino, tikambirana mitundu yosiyanasiyana ya ma SSD.

1. 2.5 - Poyerekeza ndi ma SSD onse pamndandanda, izi ndizochedwa kwambiri. Koma ikufulumira kuposa HDD. Mtundu uwu umapezeka pamtengo wabwino kwambiri pa GB. Ndiwo mtundu wamba wa SSD womwe ukugwiritsidwa ntchito masiku ano.

2. mSATA - m imayimira mini. mSATA SSDs ndiothamanga kuposa 2.5. Amakonda pazida (monga ma laputopu ndi zolembera) pomwe malo siabwino. Ali ndi mawonekedwe ang'onoang'ono. Pomwe board yoyandikira mu 2.5 imatsekedwa, omwe ali mSATA SSD ali opanda kanthu. Mtundu wawo wolumikizirana umasiyananso.

3. SATA III - Izi zili ndi kulumikizana komwe kumagwirizana ndi SSD ndi HDD. Izi zidatchuka pomwe anthu adayamba kusintha kupita ku SSD kuchokera ku HDD. Imachedwetsa 550 MBps. Galimotoyo imagwirizanitsidwa ndi bokosilo pogwiritsa ntchito chingwe chotchedwa chingwe cha SATA kuti chikhale chosokoneza.

Zinayi. Pulogalamu - PCIe imayimira Peripheral Component Interconnect Express. Ili ndi dzina lomwe limapatsidwa malo omwe nthawi zambiri amakhala ndi makhadi ojambula, makhadi omveka, ndi zina zotero. Ma PCIe SSD amagwiritsa ntchito malowa. Ndiwo othamanga kwambiri kuposa onse ndipo mwachilengedwe, ndiokwera mtengo kwambiri. Amatha kufikira liwiro lomwe limakhala lokwera pafupifupi kanayi kuposa la a Kuyendetsa kwa SATA .

5. M.2 - Monga ma drive a mSATA, ali ndi bolodi lopanda kanthu. Ma drive a M.2 ndi ochepa kwambiri pamitundu yonse ya SSD. Izi zimanama motsutsana ndi bolodi la amayi. Ali ndi pini yolumikizira yaying'ono ndipo amatenga malo ochepa. Chifukwa chakuchepa kwawo, amatha kutentha kwambiri, makamaka ngati kuthamanga kuli kothamanga. Chifukwa chake, amabwera ndi kachipangizo kowonjezera kotentha. M.2 SSDs amapezeka mu SATA komanso Mitundu ya PCIe . Chifukwa chake, ma drive a M.2 atha kukula mosiyanasiyana komanso kuthamanga. Ngakhale ma mSATA ndi ma drive a 2.5 sangathe kuthandizira NVMe (yomwe tiwona kenako), ma drive a M.2 amatha.

6. NVMe - NVMe imayimira Chikumbumtima Chosasunthika . Mawuwa amatanthauza mawonekedwe kudzera ma SSD monga PCI Express ndi M.2 zosinthana ndi wolandirayo. Ndi mawonekedwe a NVMe, munthu amatha kuchita bwino kwambiri.

Kodi ma SSD atha kugwiritsidwa ntchito ma PC onse?

Ngati ma SSD ali ndi zambiri zoti apereke, bwanji sanasinthe ma HDD ngati chida chachikulu chosungira? Chofunika kwambiri polepheretsa izi ndi mtengo wake. Ngakhale mtengo wa SSD tsopano ndi wotsika poyerekeza ndi momwe udaliri, pomwe udalowa msika, Ma HDD akadali njira yotsika mtengo . Poyerekeza ndi mtengo wa hard drive, SSD imatha kutenga pafupifupi katatu kapena kanayi kukwera. Komanso, mukamakulitsa kuchuluka kwa kuyendetsa, mtengo umawuka mwachangu. Chifukwa chake, sichinakhalebe mwayi wopezera ndalama pamakina onse.

Komanso Werengani: Onani Ngati Drive Yanu ndi SSD kapena HDD mkati Windows 10

Chifukwa china chomwe ma SSD sanalowerere m'malo mwa ma HDD ndimphamvu. Machitidwe omwe ali ndi SSD amatha kukhala ndi mphamvu pakati pa 512GB mpaka 1TB. Komabe, tili kale ndi machitidwe a HDD okhala ndi ma terabyte angapo osungira. Chifukwa chake, kwa anthu omwe akuyang'ana kuthekera kwakukulu, ma HDD akadali chisankho chawo.

Kodi Hard Disk Drive ndi chiyani

Zofooka

Tawona mbiri yakukula kwa SSD, momwe SSD imamangidwira, maubwino omwe amapereka, ndi chifukwa chomwe sanagwiritsidwepo ntchito pa PC / laptops onse. Komabe, luso lirilonse laukadaulo limabwera ndi zovuta zake. Kodi ndizovuta ziti zoyendetsa galimoto zolimba?

1. Lembani mwachangu - Chifukwa chakusowa kwa magawo osuntha, SSD imatha kupeza zidziwitso nthawi yomweyo. Komabe, latency yokhayo ndiyotsika. Pamene deta iyenera kulembedwa pa disk, deta yapitayi iyenera kufufutidwa poyamba. Chifukwa chake, kulemba ntchito kumachedwa pa SSD. Kusiyana kwakuthamanga kumawoneka kosawoneka kwa wogwiritsa ntchito wamba. Koma ndizovuta pomwe mukufuna kusamutsa zochuluka zedi.

2. Kutaya ndi kuchira - Zambiri zomwe zachotsedwa pama drive olimba zimatayika kwamuyaya. Popeza palibe deta yolumikizidwa, izi ndizovuta zazikulu. Kutaya kwamuyaya kwachinsinsi kumatha kukhala chinthu chowopsa. Chifukwa chake, chakuti munthu sangabwezeretse deta yomwe yatayika kuchokera ku SSD ndi malire ena pano.

3. Mtengo - Izi zitha kukhala zoperewera kwakanthawi. Popeza ma SSD ndi ukadaulo watsopano, ndizachilengedwe kuti ndiokwera mtengo kuposa ma HDD achikhalidwe. Tawona kuti mitengo yakhala ikucheperachepera. Mwinanso mzaka zingapo, mtengo wake sudzakhala cholepheretsa anthu kusamukira kuma SSD.

Zinayi. Utali wamoyo - Tsopano tikudziwa kuti deta idalembedwa ku disk pochotsa zomwe zidachitika kale. SSD iliyonse ili ndi mndandanda wazinthu zolemba / kufufuta. Chifukwa chake, mukamayandikira malire oyenda / kufufuta, magwiridwe antchito a SSD atha kukhudzidwa. SSD yapakati imabwera ndimayendedwe pafupifupi 1,00,000. Nambala yocheperayi imafupikitsa nthawi ya SSD.

5. Yosungirako - Monga mtengo, izi zitha kukhala zoperewera kwakanthawi. Pakadali pano, ma SSD amapezeka pang'ono pang'ono. Kwa ma SSD apamwamba kwambiri, munthu ayenera kuwononga ndalama zambiri. Ndi nthawi yokha yomwe ingadziwe ngati tingakhale ndi ma SSD okwera mtengo omwe ali ndi kuthekera kwabwino.

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