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  1. 06-06-2008, 03:34 AM #1
    kizzy is offline

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    how can i know i'm buying the right memory kit?
    hi there.
    i just got a Mac Pro Quad-Core Intel Xeon dual 2.8 GHz with 2GB of memory.

    i found an 8GB ( 2 x 4GB ) DDR2 PC2-5300 ECC Fully Buffered Memory Kit for
    Apple Mac Pro Quad & 8-Core online for about $700

    i've also found DDR2 PC2-6400 for about $50 more.

    how can i be sure i'm buying the right memory for my computer.
    they seem to be very model-specific.

    do these prices sound reasonable?
    i'd rather buy the 4GB chips to have more room to expand in the future.

    i appreciate your help.

    kiz
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  2. 06-06-2008, 04:02 AM #2
    pjhutch is offline

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    The System Profiler utility will tell you whats already inside your mac so at least you can compare the memory types.
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  3. 06-06-2008, 04:05 AM #3
    mrplow is offline

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    The Crucial Website has a system profiler that will guarantee to find compatible ram
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  4. 06-06-2008, 08:32 AM #4
    bryphotoguy is offline

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    You need the PC6400 RAM. The PC5300 is for the older Mac Pros. Try macsales.com. I suspect their prices are much more reasonable and they clearly state which speed is for which model.

    January 2008 Member of the Month
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  5. 06-06-2008, 10:07 AM #5
    mac57 is offline

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    Specs:
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    Per mrplow, the Crucial Web Site has a "Memory Advisor" that will lead you to the right memory. In this case, you want the Mac Pro, Xeon 5400 4 core type, which leads you to this page. From this you can see that what you want is DDR2-6400.

    I have the same generation of Mac Pro and bought memory upgrades from Crucial. They work great, so I can confirm that this is the right memory for the machine.
    My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
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  6. 06-07-2008, 07:37 PM #6
    kizzy is offline

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    many thanks.
    it was $50 cheaper at macsales.com so it's on its way now.
    bought 500GB drive to boot.
    can't wait.
    thanks.
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