[技術討論] 請問有邊隻 4TB 平, 又ok?

jj999c

data saving and   BT
4T   ( 3.5'')
about $5-600  :

1) TOSHIBA 4TB Desktop HDD DT02ABA400

2)  Western Digital WD40EJRX 4TB

3) Western Digital Blue PC HDD 4TB WD40EZAZ

4) Seagate ST4000VX007

5) Western Digital WD40EZRZ

6) Seagate ST4000VX000 4TB

OR any other advice

many thanks

LoveMariahDayAn

dt02 係 smr
smr 係乜自己搵
smr 無人會建議買 (至少呢度係)

jj999c

dt02 係 smr
smr 係乜自己搵
smr 無人會建議買 (至少呢度係)
LoveMariahDayAn 發表於 2020-9-21 18:22

    thanks

will delete SMR

jacky_chua

如果只係用來做 backup, 唔係經常改野就 SMR 冇乜大問題

jj999c

如果只係用來做 backup, 唔係經常改野就 SMR 冇乜大問題
jacky_chua 發表於 2020-9-21 21:13

    thanks

仲會  BT

lkclkc2003

平嘅 MD04ACA400

via HKEPC Reader for Android

totalz

Looks like SMR could cause heavy fragmentations

via HKEPC IR Pro 3.6.1 - Android(3.3.1)

jj999c

Looks like SMR could cause heavy fragmentations

via HKEPC IR Pro 3.6.1 - Android(3.3.1)
totalz 發表於 2020-9-22 12:19

    thanks
got it

jj999c

平嘅 MD04ACA400

via HKEPC Reader for Android
lkclkc2003 發表於 2020-9-22 11:39

    will buy,  thanks

hoho1986

Looks like SMR could cause heavy fragmentations

via HKEPC IR Pro 3.6.1 - Android(3.3.1)
totalz 發表於 2020-9-22 12:19

同Fragment無關係，只係修改Data會影響數條軌，正常CMR改一個sector做係改一個，SMR修改一個舊sector做要讀晒影響部份再重寫，變左改1個變左改N個Sector。所以SMR只適合順序寫入，讀取則無所謂。