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  1. Thread AuthorThread Author   #1  
    EpicInUtah's Avatar
    iMore Intermediate

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    Default RAM Question...

    So I'm looking to upgrade my late 2011 Macbook Pro 2.8ghz 13" i7 from 4gb of ram to 8 - what is the difference between the PC3-10600 and PC3-8500 sticks? I can get free overnight shipping on the PC3-8500 type with Amazon Prime, so was wondering if that RAM would work or not.

    Any help would be great!
  2. #2  
    Fausty82's Avatar
    iMore Genius

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    If you go with ALL slower memory, your performance will lag because the memory can't keep up with the machine... sort of like a funnel.

    If you mix memory speeds, and you're lucky, all will run at the slowest memory speed in the mix. If you're not lucky, expect crashes, lockups and other fun stuff.
  3. #3  
    SeanHRCC's Avatar

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    It'll work, but you're better off getting the 10600 and getting your proper DDR3 1333MHz...
  4. #4  
    Farshid72's Avatar
    iMore Newbie

    40 Posts


    Dear user
    it's better that you buy a ram that have same timinng ( same latancy and same clock ) and same capacity...and of course it's better to be in a same brand for better performance less confliq and many other technical reasons...

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