MacBook 5,1 RAM

Discussion in 'MacBook' started by Andy Huang, Jul 24, 2011.

  1. Andy Huang macrumors newbie

    Joined:
    Jan 18, 2008
    #1
    In anticipation for OS X Lion, and RAM price dropping lately, I kind of want to upgrade the RAM in my Unibody Aluminum MacBook (not sure what's the "Early/Late Year XXXX" name) 5,1.

    My understanding is that due to a firmware upgrade, my macbook is capable of utilizing 8GB of RAM. I am currently at 4GB, so the logical upgrade is to get to 8GB mark.

    I notice there are PC3-8500 and PC3-10600 modules. According to System Profiler, I am currently using two PC3-8500 (1067 MHz) modules. Does it matter which one (PC3-8500 vs PC3-10600) I get?

    I'm wondering, because on top of hardware support, I see one set of PC3-10600 with 9-9-9-24, while the other set of PC3-8500 is with 7-7-7-20, and my understanding is that the smaller those numbers are, the better they are. And I find the contradicting numbers very confusing.

    Can someone please shed some light as to which one I should get for my upgrade? TIA!
     
  2. rgarjr macrumors 603

    rgarjr

    Joined:
    Apr 2, 2009
    Location:
    Southern Cal
    #2
    I would just go with the PC3-8500. I have an Alu MB (5,1) and just installed a 8GB kit a few days ago.
     
  3. Ksizzle9 macrumors 6502a

    Joined:
    Apr 15, 2011
    #3
    Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5274d Safari/7534.48.3)

    I would love to know this as well. I have the aluminum MB, with 2ghz c2d and running 4GB, will it run 8? And so it stable? It's also 5,1.
     
  4. rgarjr macrumors 603

    rgarjr

    Joined:
    Apr 2, 2009
    Location:
    Southern Cal
    #4
    It's very stable. Well worth the upgrade.
     

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  5. hekokimushi macrumors regular

    hekokimushi

    Joined:
    Oct 27, 2008
    #5
    i ran 10600 and 8500 Hynix RAMs on my 5,1. no probs at all
     

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