early 2009 iMac memory question

Discussion in 'iMac' started by Melcher70, Mar 2, 2012.

  1. Melcher70 macrumors newbie

    Mar 2, 2012
    So I accidentally bought the wrong memory for my iMac.. all the specs are the same as the recommended memory, except its DDR3-1333 instead of the recommended DDR3-1066. Does this matter? Anyone have any real world experience doing this? Im getting mixed results via google search of the topic.
  2. henrydoown macrumors newbie


    Feb 9, 2012
    Laguna Hills, CA 92653
    it's true memory is basic of machine.imac not perform good.DDR3 RAM is not support.
  3. Bear macrumors G3

    Jul 23, 2002
    Sol III - Terra
    I can understand the mixed results, it so depends on the model of the computer and on the particular memory. It might work is the best answer I can give. If it does work, expect it to run at the speed of the -1066 memory.

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