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  1. #1

    Member Since
    Jun 15, 2014
    iMac mid 2011 max RAM
    I have a 27" iMac Mid 2011, 3.4Ghz Core i7.

    What is the maximum RAM for this. I believe Apple recommends 16Gb (4x4GB), but I have seen websites stating and selling 32GB, is this correct/compatible (4x8GB).

    Is this true, can anyone confirm this from experience please?

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    From Mactracker:

    Maximum Memory 32 GB (Actual) 16 GB (Apple)
    Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM

    Have fun and buy your memory from either Mac Sales or Crucial.

  3. #3

    Member Since
    Jun 15, 2014
    Thanks Chscag - i already have 2x2, I have ordered an additional 2x8Gb from Crucial. At some point I will go 4x 8Gb

  4. #4

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac, i7 4GHz, 32GB memory, 1TB PCI-e storgae StOS X.13.3
    20GB will be just fine. It will handle everything including Photoshop etc with ease.
    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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