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  1. #1


    Member Since
    Feb 10, 2012
    Posts
    2
    iMac Hard Drive Replacement
    Hi,

    Im looking to upgrade my old, late 2006-iMac. It has a SATA 1.5 port, currently only a 160GB HD. Looking to upgrade to 500GB.

    I'm thinking about buying one of the Westen Digital caviar HD, but I need to know if a SATA III HD will work with my older iMac? I know I will get reduced speeds, but the HD are cheaper than SATA I's

    If not will SATA II HD's work?

    Thanks
    Seb

  2. #2


    Member Since
    Dec 11, 2010
    Location
    Chicago
    Posts
    1,514
    Specs:
    late 2012 mini w/SSD
    They are interchangeable. You just won't get 6.0 speed.

  3. #3

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,803
    Specs:
    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    They may Jazper but will be a waste of money. Faster SATA is dearer and you will get no benefit from SATA II or III. Most SATA II are backwards compatible, but have seen a couple that required 'throttling' using jumper blocks to force them to slow down.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  4. #4


    Member Since
    Feb 10, 2012
    Posts
    2
    Quote Originally Posted by harryb2448 View Post
    They may Jazper but will be a waste of money. Faster SATA is dearer and you will get no benefit from SATA II or III. Most SATA II are backwards compatible, but have seen a couple that required 'throttling' using jumper blocks to force them to slow down.
    I understand I will get SATA speed, but SATA III HD's are cheaper than the SATA HD's so this will work 100% with my motherboard/computer?

    Or will SATA II only work?

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