Mixing RAM in a 2,1 Mac Pro?

Discussion in 'Mac Pro' started by Speedtoy, Nov 28, 2009.

  1. Speedtoy macrumors member

    Jul 10, 2008
    As long as I stay in matched pairs, can I mix 600 and 800mhz RAM in my system?
  2. Spacedust macrumors 6502a

    May 24, 2009
    Yes, it's not a problem.

    All of them will work 667 MHz.

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