iMac RAM upgrade?

Discussion in 'iMac' started by kjb481, Mar 15, 2016.

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  1. kjb481 macrumors newbie

    Joined:
    Mar 15, 2016
    Location:
    Portland, ME
    #1
    I ordered 2x8 DRAM from Crucial for my mid-2011 iMac. Must I remove the orig. 4 GB RAM, or will the machine work well with 20 GB RAM?
     
  2. briloronmacrumo macrumors 6502

    briloronmacrumo

    Joined:
    Jan 25, 2008
    Location:
    USA
    #2
    Apple recommends two modules of the same size be installed for maximum performance. So yes, it should work with:
    2x8 GB = 16 GB
    2x2 GB = 4 GB
    -------------------
    Total = 20 GB​

    This assumes a 27 inch model; don't know about the 21 inch.
     
  3. Samuelsan2001 macrumors 603

    Joined:
    Oct 24, 2013
    #3
    No keep them it should be just fine.
     
  4. kjb481, Mar 15, 2016
    Last edited: Mar 15, 2016

    kjb481 thread starter macrumors newbie

    Joined:
    Mar 15, 2016
    Location:
    Portland, ME
    #4
    Thanks for your informed response. I appreciate it.
    --- Post Merged, Mar 15, 2016 ---
    Thank you, amigos. Love the machine and want to treat it right.
    --- Post Merged, Mar 15, 2016 ---
    It is the 27-inch model. Sounds like I'll have 20GB until I expand later this year. Thanks for responding.
     

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