Too much memory being used up?

Discussion in 'Mac Pro' started by SLR2009, Mar 31, 2009.

  1. SLR2009 macrumors regular

    Mar 19, 2009
    Hi My 2.66 Ghz Quad Core Mac Pro with 6 gbs of memory has 3.94 gb of memory that is being used and about 650 mb's of free memory. I had Iphoto open as well as a few folders, Itunes, Safari, Mail and Calendar. is that normal for a Mac Pro with 6 gigs of memory? Would adding more memory be necessary. Thanks
  2. richard.mac macrumors 603


    Feb 2, 2007
    51.50024, -0.12662
    nothing is wrong. this is good! your Mac Pro is using your huge amounts of memory as an advantage. OS X loves RAM and is god at managing it
  3. TrapOx macrumors 6502

    Dec 4, 2008
    Open Activity and you'll see something called "inactive memory". Its memory claimed by a program that isn't being used and its the same as free memory.

    While your computer shows 4gb of ram "used", I bet that less than 1/2 of it is actually active.
  4. RemarkabLee macrumors 6502a

    Nov 14, 2007
    Thanks for this link, I wasn't clear on how OS X manages memory until I read it. :)

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