Which Drive for TimeMachine Backup?

Discussion in 'MacBook Pro' started by dmk1974, Oct 29, 2010.

  1. dmk1974 macrumors 68000

    dmk1974

    Joined:
    Sep 16, 2008
    #1
    I just bought a MacBook Pro 2009 model and would like to have a dedicated external hard drive for performing TimeMachine backups.

    I know there are probably great options out there for me to purchase, but I'd like to take one of the two that I currently have, format it to GUID and for Mac via disk utilities, and then use it for TM.

    The two external drives drives I have are:

    1.) WD5000AAV 500gb (about 2 years old, requires AC outlet)
    2.) Toshiba Canvio 640gb (about 3 months old, no AC outlet required).

    I just can't find specs for the actual drives inside of these external drives (drive speed, cache, etc.). Maybe it doesn't matter which? I just want whichever is fastest and most reliable. Thanks!
     
  2. Hellhammer Moderator

    Hellhammer

    Staff Member

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #2
    Both are good. USB 2.0 is the bottleneck so there shouldn't be difference in performance.
     
  3. mstrze macrumors 68000

    Joined:
    Nov 6, 2009
    #3
    Bigger drive will serve you better too. You should seek a drive that's 1.5 times the size of the drive you are backing up, as a general rule, since Time Machine saves more than one 'backup' essentially.
     

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