Hard drive - vim li cas nws tsim nyog nqis peev?
Ib qho tseem ceeb ntawm txhua lub computer - desktop lossis laptop - yog lub hard drive. Tsuas yog ob peb xyoos dhau los, HDDs yog tus thawj coj hauv pawg no. Niaj hnub no, lawv tau nce ntxiv los ntawm SDD solid-state drives. Txawm li cas los xij, yuav tsum siv hard drives?
Lub hard drive yog dab tsi?
Classic disk, tseem hu ua platter lossis magnetic disk, yog ib qho nyuaj tsav. Nws yog ib qho ntawm ob pawg tseem ceeb tshaj plaws ntawm cov hard drives siv hauv cov khoos phis tawj, nrog rau cov khoom siv hauv lub xeev hu ua solid state drives.
Tus tsim ntawm hard drives yog tshwj xeeb vim lawv muaj movable platters thiab lub taub hau lub luag hauj lwm rau kev nyeem cov ntaub ntawv. Txawm li cas los xij, qhov no cuam tshuam tsis zoo rau kev ua haujlwm ntawm HDDs thiab lawv cov kev tiv thaiv rau kev puas tsuaj.
Qhov zoo thiab qhov tsis zoo ntawm hard drive
Muaj ntau qhov sib txawv los xav txog thaum xaiv cov hard drive, xws li cov ntaub ntawv sau thiab nyeem ntawv ceev, lub zog ua haujlwm, thiab lub peev xwm tsav.
Lawv qhov zoo dua, tau kawg, yog lub peev xwm loj uas tus neeg yuav khoom tuaj yeem tau txais rau tus nqi me me. Tus nqi ntawm kev yuav ib lub HDD yuav qis dua SSD ntawm tib lub peev xwm. Hauv qhov no, txawm li cas los xij, tus neeg siv pom zoo kom qis qis ntawm kev sau ntawv thiab nyeem cov ntaub ntawv thiab qib siab dua ntawm lub suab nrov tsim los ntawm disk thaum lub sijhawm ua haujlwm ib txwm muaj. Qhov no yog vim HDD tau txav cov khoom siv tshuab uas ua rau qee lub suab nrov. Cov tsav no muaj kev cuam tshuam rau kev puas tsuaj ntau dua li lwm cov hard drives ntawm kev ua lag luam niaj hnub no. Yog hais tias tus tsav yog mounted nyob rau hauv ib tug laptop, ces lub computer yuav tsum tsis txhob yuav tsum tau tsiv mus nyob tom qab cov cuab yeej qhib, raws li cov kev vibrations uas tshwm sim nyob rau hauv no txoj kev yuav ua rau puas tus qauv ntawm tus tsav mus tas li thiab ua rau poob ntawm cov ntaub ntawv khaws tseg rau nws.
Yuav ua li cas xaiv ib tug zoo HDD?
Yam dab tsi yuav tsum tau xav txog thaum yuav lawv? Tus nqi:
- Kev sib hloov ceev - qhov siab dua, cov ntaub ntawv ceev yuav raug nyeem thiab sau. Feem ntau, HDD drives nrog kev sib hloov ceev ntawm 4200 txog 7200 rpm yog muaj nyob rau ntawm kev muag khoom.
- Hom ntawv - Muaj 2,5-nti drives rau laptops thiab 3,5-nti drives feem ntau rau desktops.
- Disk cache yog ib qho tsis tuaj yeem khaws cov ntaub ntawv nquag nkag ntawm lub disk thiab nkag mus sai heev, txhim kho nws cov kev ua tau zoo. Kev nco tuaj yeem yog los ntawm 2 txog 256 MB.
- Interface - qhia txog hom connector uas koj tuaj yeem txuas tus tsav mus rau lub computer; qhov no cuam tshuam cov ntaub ntawv hloov chaw uas peb lub cuab yeej ua haujlwm nrog. Feem ntau cov drives yog SATA III.
- Tus lej ntawm daim phiaj. Cov platters tsawg dua thiab lub taub hau ntawm lub tsav, qhov zoo dua, vim nws txo qhov kev pheej hmoo ntawm kev ua tsis tiav thaum nce lub peev xwm thiab kev ua haujlwm ntawm lub tsav.
- Peev Xwm - Cov hard drive loj tshaj plaws tuaj yeem ncav cuag 12TB (xws li SEAGATE BarraCuda Pro ST12000DM0007, 3.5 ″, 12TB, SATA III, 7200rpm HDD).
- Lub Sijhawm Nkag Mus - Qhov luv dua qhov zoo dua, raws li nws qhia tias nws yuav siv sijhawm ntev npaum li cas los ntawm kev thov nkag mus rau cov ntaub ntawv kom tau txais nws.
Puas tsim nyog yuav HDD?
Feem ntau, HDDs yuav yog qhov kev xaiv zoo dua rau cov neeg siv computer dua li SSDs, txawm tias lawv qeeb qeeb. Sib nqus thiab disk drives muaj peev xwm cia ntau dua, yog li lawv zoo heev rau khaws cov duab lossis cov yeeb yaj kiab ntawm lub computer tsav. Tsis tas li ntawd, koj tuaj yeem yuav lawv ntawm tus nqi txaus nyiam, piv txwv li:
- HDD TOSHIBA P300, 3.5 ", 1 TB, SATA III, 64 MB, 7200 rpm - PLN 182,99;
- HDD WESTERN DIGITAL WD10SPZX, 2.5″, 1 TB, SATA III, 128 MB, 5400 rpm - PLN 222,99;
- HDD WD WD20PURZ, 3.5″, 2 TB, SATA III, 64 MB, 5400 rpm — PLN 290,86;
- HDD WETERN DIGITAL Red WD30EFRX, 3.5′, 3ТБ, SATA III, 64МБ – 485,99зл.;
- Hard drive WESTERN DIGITAL Red WD40EFRX, 3.5 ", 4 TB, SATA III, 64 MB, 5400 rpm - PLN 732,01.
Cov neeg siv khoom uas tab tom nrhiav tus nqi zoo rau cov nyiaj hard drive kuj tseem xav txog kev yuav lub hard drive.
