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  1. #1

    (StationOfPlay)'s Avatar
    Member Since
    Jan 13, 2008
    Location
    Michigan
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    43
    Specs:
    2GHz Intel Core 2 Duo 4GB RAM
    RAM on newer iMac work on older iMac?
    I recently replaced the RAM on my aluminum iMac from 1gb to 4gb.
    Can I put the 1gb RAM in my older white iMac which has only 512mb RAM?
    These are the exact 2 iMac's I have.(not my pic)

  2. #2

    pigoo3's Avatar
    Member Since
    May 20, 2008
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    U.S.
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    35,812
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    You didn't mention the exact specs. of your two iMacs so I could look up what memory each one uses...but generally speaking, memory (ram) is not backwards compatible.

    From the looks of your 2 iMacs...the older one uses PC-5300 ram & the newer iMac uses PC-8500. This is just a guess, since I don't know the exact models you have.

    - Nick

  3. #3

    (StationOfPlay)'s Avatar
    Member Since
    Jan 13, 2008
    Location
    Michigan
    Posts
    43
    Specs:
    2GHz Intel Core 2 Duo 4GB RAM
    the white is 17in 1.83ghz intel core duo
    the aluminum is 20in 2.0ghz intel core 2 duo

  4. #4

    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
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    35,812
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    Quote Originally Posted by (StationOfPlay) View Post
    the white is 17in 1.83ghz intel core duo
    the aluminum is 20in 2.0ghz intel core 2 duo
    Ahh...that info helps out quite a bit! Your 2 iMacs are a lot closer in age than I assumed.

    They both use PC-5300 667mhz ram...so my guess is that the ram you removed from the newer iMac should work in the older iMac.

    - Nick

  5. #5

    (StationOfPlay)'s Avatar
    Member Since
    Jan 13, 2008
    Location
    Michigan
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    43
    Specs:
    2GHz Intel Core 2 Duo 4GB RAM
    ok thanks!

  6. #6


    Member Since
    Jan 25, 2009
    Posts
    4
    Similar question
    Would using faster memory be of any value in my older IMac. Older imac is 20 in 2.1 gig and has 2 gig ram[not sure of speed] but removed 2 gig 800 meg ram from new Imac[installed 4gig] 2.8gig. Is this just a waste of time or would there be some value to this.

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