MBP on one stick of RAM?

Discussion in 'MacBook Pro' started by neilq101, Jul 25, 2011.

  1. neilq101 macrumors newbie

    Joined:
    Feb 26, 2011
    #1
    Hi, I bought a 4gb RAM upgrade on Amazon for my mid-2009 MBP for the upgrade to Lion, but when I opened it I realised it was one 4gb stick, not 2x2gb like I thought I had bought. I can't return it now, so I'm not sure what to do.

    I know it's considered bad to have asymmetrical RAM, but is installing it next to one of my existing 1gb sticks better than just running on the one stick? Or am i best off just buying another one of these sticks to have 8gb in parallel?
     
  2. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    It isn't too bad to have mismatched ram sizes. You'll still see a speed boost, but it won't be as big of a boost as 2x2Gb would be.
     
  3. -tWv- macrumors 68000

    -tWv-

    Joined:
    May 11, 2009
    Location:
    Ohio
    #3
    Itll be fine, just put both in, any RAM will help but not as much as a matching set would
     
  4. Smork macrumors member

    Joined:
    Jul 14, 2011
    #4
    The fastest RAM will auto-match speeds with the slowest and match the slowest stick's speed. There should be no issues with this.
     
  5. alust2013 macrumors 601

    alust2013

    Joined:
    Feb 6, 2010
    Location:
    On the fence
    #5
    4+1 will be better than just the 4, so do that. It certainly won't slow your computer down any.
     

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