Ram Combination Help

Discussion in 'Mac Pro' started by gclef101, Aug 19, 2010.

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  1. gclef101, Aug 19, 2010

    gclef101 macrumors newbie

    Joined:
    Aug 19, 2010
    #1
    Can you mix an 8gb module with a 4gb module in the mac pro for a 2009 or the new 2010? I was wondering if I get an 8gb module do I have to keep my ram config. at all 8gb modules or can I mix with 4gb or 2gb modules? Thanks!!!

    Also has anybody found a good place to buy ram besides OWC?
     
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  2. bzollinger, Aug 19, 2010

    bzollinger macrumors 6502a

    bzollinger

    Joined:
    Aug 1, 2005
    #2
    I haven't bought from these guys yet, but probably will after I get a new MP.
    http://www.transintl.com/macupgrades/index.cfm

    You'll probably get more help with your memory questions if you specify exactly what Mac Pro you have...
     
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  3. Umbongo, Aug 19, 2010

    Umbongo macrumors 601

    Umbongo

    Joined:
    Sep 14, 2006
    Location:
    England
    #3
    8GB DIMMs are Registered ECC. As the 2009/2010 Mac Pros only support Unbuffered ECC all Mac Pro specific memory modules are UDIMMs except 8GB. The two types can't be mixed. You should be able to mix them with other capacity RDIMMs just fine, but I've not seen any that are supported.
     
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