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Thread: Upgrade 2007 Mac Pro

  1. #1

    Member Since
    Mar 24, 2012
    Upgrade 2007 Mac Pro
    Hey i have a mac pro desktop with two Dual Core processors
    Mac Pro "Quad Core" 2.66 (Original) Specs (Mac Pro, MA356LL/A, MacPro1,1*, A1186, 2113) @

    I would like to upgrade to an 8 core with similar specs to the one on this page:
    Mac Pro - Shop Apple Desktop Computers - Apple Store (U.S.)

    1) is this possible?
    2) what would be the approximate cost?


  2. #2

    Member Since
    Dec 11, 2010
    Caveat - I don't have a Mac Pro...
    You can upgrade the processors with socket 771 processors.
    The L5430 would give you quad-cores (each), at 2.66 GHz.
    I don't think you can increase the memory bus speed.

    Accelerate Your Mac News Archive for Friday July 10, 2009

  3. #3

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    In a word no.

    The best upgrade is the Intel X5365 3GHz Quad Core but they are a little expensive. The 2.66Ghz Quad Core X5355 are much cheaper and will give the Mac Pro a huge boost. My 2.1 Mac Pro went from just on 5,000 Geekbench score to 9118. There are plenty of links to doing this job. The most difficult part is getting the 8-9" long Torx driver to access the heatsink screws.

    You can then update the firmware revision to MP21.007F.B06 by applying the Netkas update. The system bus speed remains at 1.33GHz, twice the memory speed. The Macs you linked to are later model 3.1's with 1.6GHz bus speed, but of course they are much dearer. Total cost is what you find the CPU's for. They appear on eBay regularly. 5365 run about $600 per pair, 45355about $200 per pair.

    PM me if you want further help.
    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!

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