My parents have an iMac circa 2007. Documentation says that this model should use this type of RAM:

Memory: DDR2 PC2-5300 Memory Type: DDR2 PC2-5300, DDR2 (non-ECC) Maximum Memory: 4GB

I've got a couple of 2GB RAM chips lying around that I just pulled from my "new" iMac. The info on the chips reads:

2GB 1Rx8 PC3

Will these work in my parent's iMac, or am I just asking for trouble?




Those new iMacs are using DDR3, and it won't even fit.

DDR2 are pretty cheap right now, you can get some off the Internet.

| improve this answer | |
  • 1
    You can read more about DDR2/3 on Wikipedia! – Shane Hsu Nov 23 '12 at 16:40
  • 3
    And Other World Computing has your back for legacy upgrades. – Dan J Nov 23 '12 at 17:08

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