late imac 2009 memory into imac 2010

Discussion in 'iMac' started by newhere, Jul 28, 2010.

  1. newhere macrumors newbie

    Joined:
    Jun 28, 2010
    #1
    I have 2x4GB imac late 2009 memory, does anyone know if compatible with the new imac 2010?
     
  2. Hellhammer Moderator

    Hellhammer

    Staff Member

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #2
    Yes but the new iMac uses 1333MHz memory so if you add 1066MHz memory, the existing modules will underclock themselves to 1066MHz but it will work fine and I doubt you will notice any difference
     
  3. ziggyonice macrumors 68020

    ziggyonice

    Joined:
    Mar 12, 2006
    Location:
    Rural America
    #3
    Yes, they use the same types of RAM, albeit *slightly* slower. So you could use it in the new 2010 iMac without any problem. :)
     

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