iMac change graphics card

Discussion in 'iMac' started by Sven11, Dec 11, 2010.

  1. Sven11
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    macrumors 6502a

    Sven11

    Joined:
    Sep 25, 2010
    #1
    Is it possible to change the graphics card of an iMac 27"?
     
  2. opeter
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    macrumors 65816

    opeter

    Joined:
    Aug 5, 2007
    Location:
    Slovenia, EU
    #2
    If I am right, you cannot. These GPUs is on a dauther card, but has some special type of connection to the motherboard. To change the graphic card, you have to replace the motherboard ...

    http://gdgt.com/discuss/can-you-upgrade-the-gpu-in-the-528/

    The only graphic cards you can upgrade/change, are these, that are in the Mac Pro towers.
     
  3. Hellhammer
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    Moderator

    Hellhammer

    Staff Member

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #3
    Theoretically yes but the procedure isn't very simple and replacement cards are hard to find and cost a fortune

    iMacs use MXM (Mobile PCI Express Module) interconnect which is standard in laptop GPUs. Thus any mobile GPU should theoretically work but only very few are supported by OS X.

    http://www.ifixit.com/Teardown/iMac-Intel-27-Inch-Teardown/1236/3
     
  4. Sven11
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    thread starter macrumors 6502a

    Sven11

    Joined:
    Sep 25, 2010
    #4
    It's just because in the past I had problems with ATI...
     

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