what kind of RAM for the 27'' i7?

Discussion in 'iMac' started by Seraph301083, Nov 23, 2009.

  1. Seraph301083 macrumors member

    Joined:
    Nov 8, 2009
    #1
    Hi there!

    I'm close to receiving my new 27'' i7 iMac and I want to upgrade the 4GB to 8GB as soon as possible. So my question is what kind of RAM do I have to buy?

    DDR3 204pin
    DDR3 ECC 240pin
    DDR3 240pin

    (what is the difference??)

    CL 7 or CL9 or....

    do you see my dilemma? I'm usually not that bad with hardware but when it comes to RAM I have no clue at all...

    please help me out, I just want to buy 2x2GB RAM

    thx
     
  2. Seraph301083 thread starter macrumors member

    Joined:
    Nov 8, 2009
  3. Hellhammer Moderator

    Hellhammer

    Staff Member

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    Finland
  4. Seraph301083 thread starter macrumors member

    Joined:
    Nov 8, 2009
  5. gjw4u macrumors 6502

    Joined:
    Dec 2, 2008
    Location:
    Switzerland
    #5
    OP, Crucial (the link Hellhammer gave you) is great for RAM.
    I can also recommend Other World Computing:
    RAM for Q3/09 iMac from OWC
     
  6. Uncle Pinny macrumors regular

    Uncle Pinny

    Joined:
    Jul 15, 2008
    Location:
    London
    #6
    In my experience the latency is irrelevant.

    I added an extra 2 x 4gb of ram that had different latency (cl8 as opposed to stock cl7) and it works perfectly.
     
  7. Seraph301083 thread starter macrumors member

    Joined:
    Nov 8, 2009
    #7
    I won't be able to buy from this shops because I'm from Austria, but thanks for your suggestions!

    I think I'll go with
    Kingston ValueRAM 2 GB DDR3 1066 MHz PC3-8500 - CL7

    does anyone know if the iMacs RAM is ECC?
     
  8. Hellhammer Moderator

    Hellhammer

    Staff Member

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #8
    It's non-ECC
     
  9. FocusedOne macrumors newbie

    Joined:
    Oct 28, 2009
    #9

    I'm pretty certain that it is Non-ECC.
     
  10. Hellhammer Moderator

    Hellhammer

    Staff Member

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #11

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