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Thread: RAM size

  1. #1

    Member Since
    Oct 08, 2009
    RAM size

    I did some research already but am still uncertain on the maximum size of ram i can put on my macbook. I have one of the first models in 2006 so its pretty old now. still running tiger 10.4. currently have 1gb (2x512mb) and want to upgrade to 4gb (2x2gb) but i read in some places i can only upgrade to 2gb(2x1gb) and some places saying up to 4gb. So i thought i would jump on here hoping someone could clarify.

    This is from my system profile,

    Model Name: MacBook
    Model Identifier: MacBook1,1
    Processor Name: Intel Core Duo
    Processor Speed: 2 GHz
    Number Of Processors: 1
    Total Number Of Cores: 2
    L2 Cache (per processor): 2 MB
    Memory: 1 GB
    Bus Speed: 667 MHz
    Boot ROM Version: MB11.0061.B03
    SMC Version: 1.4f12
    Serial Number: 4H63509QWBV

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Fort Worth, Texas
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    Mactracker says (depending on the year model) your machine can accept 1 x 1 GB module + 1 x 2 GB module for a total of 3 GB. The very first model MacBook will only hold 2 GB.


  3. #3

    Member Since
    Oct 08, 2009
    i see now my question is it only up to 3gb because of hardware or because of the os x 10.4...

  4. #4

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac i5 2.7GHz, 16GB memory, OS 10.11.1.

  5. #5

    Member Since
    Oct 08, 2009
    Where can i find my model number to compare with the site.

  6. #6

    Member Since
    Oct 08, 2009
    according to this site
    Identify Your Mac - Lookup your Apple by Serial Number or Model Number

    i have the Model No: MA700LL/A based on my serial #. and according to his site
    Apple MacBook Specs (All MacBook Technical Specs) @

    1.0 GB Maximum RAM: 2.0 GB*
    Details: 1 GB of RAM is installed as two 512 MB modules, no slots free.

    *Apple officially supports 2 GB of RAM, but third-parties have been "unofficially" able to upgrade it to 3 GB or 4 GB of RAM (it can hold 4 GB but cannot fully utilize the memory beyond 3 GB).

  7. #7

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Modesto, Ca.
    iMac 2010 27" QuadI7, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!
    And to add to all the excellent advise so far, it's nothing to do with OSX. It's the Machine.

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