Yuav Sib Pauv thiab Xaiv Ib Lub Siab Daws Tsav Tsheb rau Koj Lub PC
Khoom hauv lub xeev los yog SSDs yog qhov tseeb nyob rau hauv high school kev kawm rau lub computer systems. Lawv muab ntau dua cov ntaub ntawv hloov cov ntaub ntawv dua li cov tshuaj nyuab drives thaum noj tsawg zog thiab tseem muaj ntau theem ntawm kev cia siab ua tsaug rau qhov tsis txav kis. Cov cwj pwm no ua rau lawv tsis tshua muaj neeg ntxim nyiam rau cov neeg uas siv cov tshuab computer los tau, tab sis lawv kuj pib ua lawv txoj kev mus rau kev lag luam hauv high school.
Ntaus thiab kev ua haujlwm yuav txawv txav ntawm qhov chaw lag luam-lub xeev. Vim li no, nws yog ib qho tseem ceeb uas yuav tau ua tib zoo saib xyuas yog tias koj tab tom yuav khoom siv lub xeev qhov tsav tsheb rau koj lub computer. Tsab ntawv xov xwm no yuav saib txog qee yam ntawm cov qauv tseem ceeb thiab seb lawv yuav cuam tshuam qhov kev ua tau zoo thiab cov nqi ntawm cov neeg tsav tsheb los pab cov neeg yuav khoom kom paub ntau tshaj qhov kev txiav txim siab yuav.
Interface
Lub interface ntawm cov khoom hauv lub xeev yog feem ntau yuav mus ua Serial ATA . Vim li cas cov kev sib tshuam no yuav tseem ceeb ua luaj? Zoo, thiaj li yuav tau txais kev kawm siab tshaj plaws ntawm qhov tseeb tiam ntawm cov khoom xeev-state drives txhais tau tias koj yuav tsum muaj 6Gbps nyob hauv SATA interface. Cov laus SATA interfaces yuav tseem muaj kev kawm zoo tshwj xeeb tshaj yog piv rau cov tsav nyuaj tab sis lawv tsis tuaj yeem ua tiav lawv cov qib siab tshaj. Vim li no, cov neeg uas muaj hnub nyoog SATA hauv lawv lub koos pis tawj xav xav yuav ib qho kev loj hlob hauv xeev lub xeev uas tau nyeem ntau tshaj plaws thiab sau ntawv mus ze rau lawv qhov kev sib txuas siab ntau kawg thiaj li txuag tau qee yam ntawm cov nqi.
Ib qho ntxiv uas yuav tsum tau nco yog tias cov interfaces yog nyob rau hauv gigabits ib pliag thaum nyeem thiab sau cov sij hawm nyob rau hauv cov ntawv tau teev nyob rau hauv megabytes ib pliag. Hauv kev txiav txim siab txog cov kev txwv ntawm interfaces, peb tau sau cov nqi qis dua hauv qab no rau ntau lub tswv yim SATA rau cov nyeem ntawv kom zoo dua cov ntawv xeem rau lawv lub PC SATA versions:
- SATA III (6Gbps): 750MB / s
- SATA II (3Gbps): 375MB / s
- SATA I (1.5Gbps): 187.5MB / s
Nco ntsoov tias cov no yog qhov theoretical siab kawg hauv kev xa mus rau ntau yam qauv SATA interface. Ib zaug ntxiv, kev ua tau zoo tiag tiag ntiaj teb yuav yog qhov qis dua li cov kev ntaus nqi no. Piv txwv li, feem ntau ntawm SATA III khoom xeev lub xeev siab ntawm 500 thiab 600MB / s.
Muaj ntau lub tswv yim tshiab pib ua lawv txoj kev mus rau hauv tus kheej computers, tiam sis lawv tseem nyob rau theem thaum ntxov. SATA nthuav qhia yog tus thawj interface uas yog los hloov SATA hauv kev ua lag luam duab. Lub interface ntawm qhov system rov qab tau tshaj SATA drives tab sis koj siv tsis tau SATA Express tsav nrog ib tug laus SATA interface. M.2 yog ib qho tshwj xeeb interface uas yog tiag tiag tsim los siv rau kev siv xov tooj txawb lossis nyias siv xam tiam sis tab tom ua ke rau hauv ntau lub qauv tshiab desktop npav. Thaum nws siv tau lub tshuab SATA, qhov no yog qhov sib txawv sib txawv uas yog ntau tshaj li ib lub cim ntawm kev nco lub suab rau hauv daim slot. Ob leeg tso cai rau ceev ceev yog tias tus tsav tsheb tsim los siv PCI-Express kis tau sai dua. Rau SATA Express, qhov no yog li 2Gbps thaum M.2 tuaj yeem ncav txog 4Gbps yog tias nws siv plaub txoj kab kev qhia PCI-Express.
Tsav Qis Heev / Ntev Lawm
Yog tias koj tab tom npaj txhim kho lub xeev kev tsav tsheb mus rau hauv lub laptop los hloov lub zog tsav koj kuj yuav tsum paub txog lub cev kev loj me. Piv txwv, 2.5-nti drives yog feem ntau muaj nyob rau hauv ntau qhov siab ranges los ntawm li nyias li 5 hli tag nrho txoj kev mus 9.5mm. Yog hais tias koj lub laptop tsuas haum txog li 7.5 hli qhov siab tab sis koj tau txais 9.5 hli tsav tsheb, nws yuav tsis haum. Ib yam li ntawd, feem ntau mSATA lossis M.2 daim ntawv tsav tsheb muaj qhov siab thiab qhov siab tshaj. Nco ntsoov xyuas seb qhov siab ntev thiab siab npaum li cas rau cov no thiab ua ntej yuav ib qho kom paub tseeb tias nws yuav haum rau hauv koj lub cev. Piv txwv li, qee cov laptops feem ntau nyias tsuas pab txhawb nqa ib daim Murr card lossis mSATA card xwb.
Peev Xwm
Peev xwm yog qhov yooj yim rau kev nkag siab. Tus tsav tsheb yog ntsuas los ntawm nws cov ntaub ntawv cia tag nrho. Tag nrho cov peev xwm ntawm lub xeev cov drives yog tseem tsawg dua li cas yuav ua tau tiav nrog tsoos hard drives. Tus nqi ntawm ib lub gigabyte tau tsis tshee xa me nyuam ua lawv pheej yig, tiam sis lawv tseem poob qab nyuaj drives ho tshwj xeeb tshaj yog nyob rau hauv qhov loj tshaj plaws. Qhov no yuav ua rau muaj teeb meem rau cov neeg uas xav khaws ntau cov ntaub ntawv rau lawv lub xeev cov tsav tsheb. Hom kab nrig rau lub xeev cov kev tsav yog nruab nrab ntawm 64GB thiab 4TB.
Qhov teeb meem yog qhov peev xwm nyob rau hauv lub xeev cov drives kuj ua si lub luag hauj lwm tseem ceeb nyob rau hauv kev ua tau zoo ntawm lub tsav thiab. Ob lub ntsiab hauv cov khoom siv tib yam sib txawv uas txawv txav yuav muaj qhov sib txawv. Qhov no tau ua nrog tus naj npawb thiab hom kev nco chips ntawm tus tsav. Feem ntau, muaj peev xwm txuas tau nrog cov naj npawb ntawm daim tawv nqaij. Yog li, ib 240GB SSD yuav muaj ob zaug naj npawb ntawm NAND chips li 120 GB tsav. Qhov no tso cai rau tus tsav mus nthuav tawm ntawm kev nyeem thiab sau ntawm cov ntaub ntawv ntawm daim tawv nqaij uas zoo siab tuaj yeem ua tau zoo ib yam li cas RAID yuav ua haujlwm nrog ntau qhov nyuaj nyuaj. Tam sim no qhov kev ua hauj lwm yuav tsis yog ob zaug sai sai vim yog cov nyiaj siv ua haujlwm ntawm kev nyeem thiab sau, tiam sis nws tseem ceeb. Nco ntsoov saib cov qauv qis rau cov tsav ntawm lub peev xwm uas koj tab tom saib kom tau lub tswv yim zoo tshaj plaws txog qhov peev xwm yuav muaj feem cuam tshuam rau kev ua tau zoo li cas.
Tswj thiab Firmware
Kev ua tau zoo ntawm cov khoom hauv lub xeev muaj peev xwm raug cuam tshuam los ntawm tus maub los thiab cov firmware uas tau muab tso rau ntawm tus tsav tsheb. Muaj qee cov tuam txhab uas ua rau SSD controllers xws li Intel, Sandforce, Indilinx (tam sim no muaj Toshiba), Marvel, Silicon Motion, Toshiba, thiab Samsung. Txhua tus ntawm cov tuam txhab no kuj muaj ntau yam kev sib tshuam rau kev siv nrog cov khoom hauv lub xeev. Yog li, vim li cas qhov no tseem ceeb? Zoo, tus maub los yog tus saib xyuas kev tuav cov ntaub ntawv kev tswj ntawm ntau lub cim xeeb chips. Cov controllers kuj txiav txim tau tias tag nrho cov peev xwm rau kev tsav raws li muaj pes tsawg tus raws rau daim tawv nyias.
Cov sib piv sib piv tsis yog ib yam uas yooj yim ua. Yog tias koj tsis tshua muaj kev txawj ntse, txhua yam nws yuav ua tiag tiag yog qhia rau koj paub yog tias tus tsav yog tam sim no los yog dhau los ntawm lub xeev lub xeev kev tsav tsheb. Piv txwv li, Sandforce SF-2000 yog lub cim tshiab tshaj li SF-1000. Qhov no yuav tsum tau txhais tias tus neeg tshiab yuav pab txhawb qhov loj dua qub thiab muaj kev ua tau zoo dua.
Qhov teeb meem yog tias ob lub lag luam los ntawm cov tuam txhab sib txawv yuav muaj tib lub peev xwm tiam sis tseem muaj kev sib txawv ntawm ntau yam. Qhov no yog vim muaj qhov firmware uas muaj nyob nrog cov SSDs ntxiv nrog rau tej lub cim xeeb uas lawv siv tau. Ib qho firmware yuav hais txog kev tswj cov ntaub ntawv ntau dua lwm tus uas tuaj yeem txhawb nws qhov kev ua tau zoo rau tej hom ntaub ntawv piv rau lwm tus. Vim li no, nws yog ib qho tseem ceeb kom kuaj xyuas qhov ceev cov dej ntxiv nrog rau kev tswj tus kheej.
Sau thiab Nyeem Khaub Ncaws
Txij li thaum lub xeev cov tsav drives muab kev ua haujlwm tseem ceeb tshaj li qhov nyuaj, cov nyeem ntawv thiab sau ntawv tseem ceeb yog qhov tseem ceeb los saib thaum koj yuav ib lub tsheb . Nws muaj ob hom kev nyeem ntawv thiab kev sau ntawv, tiam sis feem ntau cov khw yuav tsuas sau qhov tshwm sim nyeem thiab sau cov zauv. Qhov no yog ua tiav vim hais tias qhov tshwm sim ceev nrooj yog ua tsaug rau cov ntaub ntawv loj dua. Lwm hom yog random ntaub ntawv nkag. Qhov no feem ntau muaj ntau yam ntaub ntawv me me nyeem thiab sau tias qeeb qeeb vim lawv xav tau ntau txoj haujlwm.
Qhov kev tsim tawm ntawm lub khw yog qhov kev ntsuas yooj yim rau kev sib piv nrog lub xeev cov cim drives. Tau ceeb toom yog tias qhov kev ntaus nqi ntawm lawv qhov zoo tshaj nyob rau hauv qhov chaw tsim tshuaj. Kev ua tiag ntiaj teb kev ua yuav yog qis tshaj qhov kev qhia tau. Qhov no tau ua ib nrab nrog ntau qhov sib tham tom qab hauv tsab xov xwm tab sis kuj vim tias cov ntaub ntawv tuaj yeem cuam tshuam los ntawm lwm qhov chaw. Piv txwv, luam cov ntaub ntawv los ntawm lub zog tsav mus rau lub xeev tau tsav yuav txo qhov siab tshaj plaws sau rau SSD kom sai npaum li cas cov ntaub ntawv yuav nyeem tau los ntawm tus tsav nyuab.
Sau cov voj voog
Ib qhov teeb meem uas cov neeg tau txais kev lag luam hauv xeev-xeev yuav tsis paub txog qhov tseeb tias qhov cim xeeb chips hauv lawv muaj qee cov kev lwv uas lawv tuaj yeem pab txhawb. Txij thaum lub sij hawm lub hlwb nyob rau hauv lub nti yuav kawg tsis. Feem ntau, cov chaw tsim khoom ntawm lub cim xeeb chips yuav muaj ntau npaum li cas ntawm cov voj voog uas lawv tau lav rau. Yuav kom txo cov kev tsis ua hauj lwm ntawm cov chips yog npog tawm ntawm qhov tsis tas li erased ntawm cov hlwb, cov maub los thiab firmware yuav tsis rho tawm cov ntaub ntawv qub qub.
Tus neeg siv nruab nrab yuav tsis pom tias lub xeev lub xeev cov cim suab lub cim xeeb tsis ua rau hauv lub neej tsis zoo (tshaj li ntawm tsib lub xyoos) ntawm lawv qhov system. Qhov no yog vim lawv tsis feem ntau muaj kev nyeem ntawv thiab kev sau ntawv. Ib tug neeg ua zauv database los yog kho qhov chaw ua haujlwm yuav pom sau ntau dua. Vim li no, lawv yuav xav noj nyiaj rau cov nqi qis ntawm tus neeg tsav tsheb. Cov drives feem ntau yuav muaj qhov chaw hauv 3000 mus rau 5000 lwv kev. Qhov loj tshaj cov kab, ntev tshaj tus tsav yuav tsum kav. Tu siab, ntau lub tuam txhab tsis teev cov ntaub ntawv no ntxiv rau lawv cov drives hloov cov neeg siv los txiav txim siab lub neej ntawm cov tsav tsheb raws li lub warranty ntev uas muab los ntawm cov tuam ntxhab.
TRIM thiab ntxuav
Ib txheej txheem ntawm cov khoom siv khib nyiab tuaj yeem siv tau hauv lub tshuab fais fab kom sim thiab ntxuav cov tsav kom zoo dua. Qhov teeb meem yog tias yog cov khib nyiab hauv tus tsav tsheb dhau los, nws tuaj yeem sau ntawv ua kom nrov thiab ua kom luv dua lub neej ntawm lub cim xeeb chips. Tamsis no, ib qho kev sib tw khib nyiab tuaj yeem txuas lub neej ntawm tus tsav, tiam sis nws txo qis tag nrho ntawm kev tsav.
TRIM yog ib qhov kev ua haujlwm uas cia cov haujlwm khiav lag luam zoo dua tswj xyuas cov ntaub ntawv tu hauv cov cim xeeb ntawm lub xeev. Nws yeej tseem zoo taug qab cov ntaub ntawv yog dab tsi thiab kev pub dawb yog li cas. Qhov no muaj qhov txiaj ntsim ntawm kev ua kom tiav ntawm cov tsav tsheb thaum tsis ntxiv rau cov ntawv sau qhia ntxiv uas ua rau ntxov degradation. Vim li no, nws yog ib qho tseem ceeb kom tau txais kev pabcuam TRIM tsav yog tias koj qhov kev khiav haujlwm khiav haujlwm txhawb zog. Qhov rai tau txais kev txhawb zog txij li lub tshuab no txij thaum Windows 7 thaum Apple tau txhawb nws vim OS X version 10.7 los yog Tsov Ntxhuav.
Laug Drives tiv tiag yam khoom siv
Feem ntau ntawm cov khoom siv hauv lub xeev yog cia muag nrog tus tsav. Qhov no yog qhov zoo vim tias koj tab tom tsim lub tshuab tshiab lossis cia li ntxiv cia rau qhov system, koj tsis xav tau dab tsi ntau dua li tus tsav xwb. Txawm li cas los xij, koj tab tom npaj kom kho dua ib lub computer los ntawm ib qho me me ntawm lub zog tsav tsheb mus rau lub xeev qhov tsav, ces koj xav saib xyuas kom tau ib pob khoom. Feem ntau cov khoom siv tsav tsheb muaj xws li qee cov khoom siv ntxiv xws li ib qho kev sib tshuam 3.5 nti rau kev txhim kho hauv cov khoom lag luam, SATA cables, thiab cov cuab yeej tseem ceeb tshaj plaws. Yuav kom tau txais cov txiaj ntsim ntawm lub xeev cov khoom coj los ua ib qhov hloov tshiab, nws yuav tsum tau coj qhov chaw ua tus tsav tsheb uas twb muaj lawm. Ua li no, tus SATA rau USB cable yog muab los pub tus tsav txuas nrog lub computer uas twb muaj lawm. Tom qab ntawd ib software siv cloning yog ntsia tau rau daim iav qhov tsav uas twb muaj zog rau cov khoom hauv lub xeev. Thaum twg nws ua tiav tiav, tus laus zog tsav tawm tau tawm ntawm lub tshuab thiab lub xeev-tsav tsheb tau muab tso rau hauv nws qhov chaw.
Cov khoom siv feem ntau yuav ntxiv ib ncig ntawm $ 20 txog $ 50 rau tus nqi ntawm tus tsav.