Nyeem npaum li cas / Sau Cov Zaj Nres Sib Txawv Ntawm SSDs thiab HDDs
Nyeem / sau speeds yog ib qho kev ntsuas ntawm kev ua tau zoo ntawm cov khoom cia. Kev ntsuam xyuas tuaj yeem ua rau txhua hom ntawm lawv, xws li sab nrauv thiab sab nraud hard drives , solid-state drives , network thaj tsam , thiab USB flash drives .
Thaum ntsuas qhov nyeem ntawv ceev, koj tab tom txiav txim tias ntev li cas nws yuav siv sij hawm qhib (nyeem) ntawm ib yam khoom. Tsab ntawv sau kom ceev ceev yog qhov txawv - ntev npaum li cas nws yuav siv sij hawm txuag (sau ntawv) ib yam dab tsi rau tus ntaus ntawv.
Yuav Nyeem Li Cas Nyeem / Sau Cov Zog
CrystalDiskMark yog ib qho kev pabcuam dawb rau lub Windows uas ntsuas kev nyeem thiab sau ntawv ceev ntawm sab hauv thiab sab nraud. Koj tuaj yeem xaiv qhov kev cai loj ntawm 500 MB thiab 32 GB, los siv cov ntaub ntawv random los yog zeros, nrog rau tus tsav mus kuaj thiab tus naj npawb ntawm cov kis uas yuav tsum tau ua (ntau dua ib qho muab cov ntsiab lus tseeb dua).
ATTO Disk Benchmark thiab HD Tune yog ob peb lwm cov qauv ntsuas kev ywj pheej uas tuaj yeem tshawb xyuas cov tsav nyuaj thiab nyeem tau ntawv ceev.
Nyeem thiab sau speeds yog feem ntau kaw nrog cov tsiaj ntawv "ps" tom kawg ntawm txoj kev ntsuas. Piv txwv, tus ntaus ntawv uas muaj qhov sau ceev ntawm 32 MBps txhais tau hais tias nws muaj peev xwm sau tau 32 MB ( megabytes ) ntawm cov ntaub ntawv txhua thib ob.
Yog tias koj xav hloov MB rau KB lossis lwm lub tsev, koj tuaj yeem nkag rau qhov kev ua zauv hauv Google zoo li no: 15.8 MB rau KBps .
SSD vs HDD
Hauv ntej, cov tsav ntawm lub xeev muaj qhov nyeem ntawv ceev thiab sau speeds, outpacing hard disk drives.
Nov yog qee qhov SSDs ceev tshaj plaws thiab lawv cov qhab nia nyeem thiab sau ntawv:
Samsung 850 Pro:
- Muaj Peev Xwm: 128 GB - 1 TB
- Interface: SATA III 6 Gbps
- 550 MB / s nyeem ntawv (256 GB)
- 520 MB / s sau ntawv (256 GB)
SanDisk huab Pro:
- Muaj Capacities: 240 GB - 960 GB
- Interface: SATA 3-6 Gbps
- 550 MB / s nyeem ntawv
- 520 MB / s sau ntawv
Mushkin Striker:
- Muaj Capacities: 240 GB - 960 GB
- 565 MB / s nyeem ntawv
- Sau ntawv 550 MB / s
Corsair Neutron XT:
- Muaj Capacities: 240 GB - 960 GB
- 560 MB / s nyeem ntawv
- 540 MB / s sau ntawv
Hard disk drives tau xub pib los ntawm IBM hauv 1956. Ib qho HDD siv cov magnetism los khaws cov ntaub ntawv ntawm ib qho khoom tawg. Tus nyeem ntawv / sau taub hau plhom saum toj kawg nkaus ntawm kev nyeem ntawv thiab sau ntawv cov ntaub ntawv. Qhov ceev cov platter spins, ceev dua ib qho HDD ua tau.
HDDs qeeb dua SDDs, nrog rau nruab nrab ntawm kev nyeem ntawv ntawm 128 MB / s thiab sau ceev ntawm 120 MB / s. Txawm li cas los xij, thaum HDDs qeeb, lawv pheej yig, thiab. Tus nqi yog kwv yees $ .03 ib qho gigabyte piv rau qhov nruab nrab $ .20 ib qhov nqi rau SSDs.