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  1. #1

    Member Since
    Apr 09, 2013
    DDR3 PC3-12800,1600MHz Ram Compatible with Mid 2009 Macbook Pro5,5?
    I've been trying to research this myself all morning, but i haven't really found a conclusive answer

    Will a 2x4GB - DDR3 PC3-12800,1600MHz Ram upgrade be compatible with a Mid 2009 Macbook Pro5,5?

    Any help would be appreciated

  2. #2

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac, i7 4GHz, 32GB memory, 1TB PCI-e storgae StOS X.13.3
    Your MBP can handle up to 8GB of PC3-8500 memory of 1066MHz speed. The memory may work but not at the faster speed. Will be throttled back to bus speed of 1066MHz so if you have to purchase memory get what is recommended. OWC and Crucial are strongly supported here.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  3. #3

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Texas, where else?
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    And for all sorts of info related to your Mac - take a stroll over to Mac Specs, Prices, Answers & Comparison @, Est. 1996
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

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