RAM upgrades 8GB and 2GB

Discussion in 'Mac Pro' started by Renegademaverick, Mar 14, 2018.

  1. Renegademaverick macrumors newbie

    Joined:
    Mar 14, 2018
    #1
    Hey all.
    Probably a bit of a dumb question. But I am having to upgrade the RAM in my 2009 8-Core Mac Pro. It came with 4 2GB memory sticks. I have a total of 8 slots.

    I recently purchased two 8GB sticks. So I was wondering if I could install the 2x8GB and 4×2GB to equal 24GB. Or do they all need to be 8GB.

    If so what configuration should I install them in.

    Thanks in advance.
     
  2. flowrider, Mar 14, 2018
    Last edited: Mar 14, 2018
  3. h9826790 macrumors G5

    h9826790

    Joined:
    Apr 3, 2014
    Location:
    Hong Kong
    #3
  4. js2704 macrumors member

    Joined:
    May 20, 2015
    #4
    I had exactly the same issue and am happily running 4 x 2 and 4 x 8 for 48GB. The mixing advice is of course spot on.
     
  5. Thessman macrumors regular

    Joined:
    Dec 8, 2005
    Location:
    GR
    #5
    You don't quite add up!
     
  6. js2704 macrumors member

    Joined:
    May 20, 2015
    #6
    Ah, indeed! 4x4 and 4x8....
     

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5 March 14, 2018