16 GB modules for Mac Pro 2009-2012 Quad or Dual rank ?

Discussion in 'Mac Pro' started by Spacedust, Sep 21, 2012.

  1. Spacedust macrumors 6502a

    May 24, 2009
    Is there anyone using 16 GB modules in their Mac Pro ?

    What is the minimal amount of modules that will work in a Dual CPU Mac Pro ?

    2x 16 GB - single channel
    4x 16 GB - dual channel
    6x 16 GB - triple channel
    8x 16 GB - dual channel ?
  2. JavaTheHut, Sep 21, 2012
    Last edited: Sep 21, 2012
  3. philipma1957 macrumors 603


    Apr 13, 2010
    Howell, New Jersey
    The maximum is 3x 16gb for one cpu.

    the maximum is 6x 16gb for 2 cpus.

    I don't know the minimum. Also this was true with snow l. I sold my machine around a year ago I have read that with ml 4x 16gb is possible I don't know for sure. I can tell you that 3x 16gb per cpu will work. so 96gb ram works.

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