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Thread: What kind of RAM for an iMac

  1. #1
    Default What kind of RAM for an iMac
    Hi, my mac only has 1 gb of ram for some reason and i need atleast two for lion, not to mention my computer is slow as hell. Time for an upgrade. What kind of ram can I get? my imac model identifier is iMac 7,1 if that helps. I went to a website and they said this would work: Kit of 2 2GB 200 Pin DDR2-667 PC2-5300 256x64 CL5 1.8V SODIMM
    What else would work? and Can I hold 4 in there or 2?

  2. #2
    what website did you go to? if it was crucial.com and used their system scanner, then go with it. I've trusted them for a long time to get it right for what you need.

  3. #3
    I just ordered what you mentioned and have the same iMac. I'll tell you how it works. You'll want 4 gb for Lion to work good! Don't just get one 1 gb ram. Get two 2 gb memory sticks. It'll be worth the upgrade. The most you can have is two 2 gb sticks. So that'll be the max. You can't get one 4 gb stick or have more then 4 gb total, so keep that in mind.
    Last edited by mike.dee; 10-29-2011 at 12:12 PM.

  4. #4
    So I installed the Ram into my iMac. It has definitely made a noticeable difference! The new ram along with Lion have made a noticeable performance increase on my iMac. That annoying spinning rainbow mouse wheel rarely comes up anymore. I'd say it's definitely worth it to upgrade!

  5. #5
    iMac G3 (233, 266, 333 MHz)
    Maximum Memory: 512 MB
    Memory Type: 144-pin SODIMM SDRAM PC-133
    Memory Slots: 2
    Slot Maximum: 256 MB

    iMac G3 (350, 400, 500, 600 MHz)
    Maximum Memory: 1 GB
    Memory Type: 168-pin DIMM SDRAM PC-133
    Memory Slots: 2
    Slot Maximum: 512 MB

    iMac G4 (700, 800 MHz)
    Maximum Memory: 1 GB
    Memory Type: 144-pin SODIMM SDRAM PC-133
    Memory Slots: 2
    Slot Maximum: 512 MB

    iMac G4 (1.00, 1.25 GHz)
    Maximum Memory: 1 GB
    Memory Type: 200-pin SODIMM DDR PC-2700
    Memory Slots: 1 (*Has DIMM slot that is not accessible)
    Slot Maximum: 512 MB

    iMac G5 (1.60, 1.80 GHz)
    Maximum Memory: 2 GB
    Memory Type: 184-pin DIMM DDR PC-3200
    Memory Slots: 2
    Slot Maximum: 1 GB (Best to use pairs)

    iMac G5 (1.9, 2.1 GHz)
    Maximum Memory: 2.5 GB
    Memory Type: 240-pin DIMM DDR2 PC2-5300
    Memory Slots: 1 (512 MB not removable)
    Slot Maximum: 2 GB

    iMac Intel Core Duo
    Maximum Memory: 2 GB
    Memory Type: 200-pin SODIMM DDR2 PC2-5300
    Memory Slots: 2
    Slot Maximum: 1 GB

    iMac Intel Core 2 Duo (1.83 GHz)
    Maximum Memory: 2 GB
    Memory Type: 200-pin SODIMM DDR2 PC2-5300
    Memory Slots: 2
    Slot Maximum: 1 GB

    iMac Intel Core 2 Duo (Late 2006)
    Maximum Memory: 3 GB
    Memory Type: 200-pin SODIMM DDR2 PC2-5300
    Memory Slots: 2
    Slot Maximum: 2 GB

    iMac Intel Core 2 Duo (Mid 2007)
    Maximum Memory: 4 GB
    Memory Type: 200-pin SODIMM DDR2 PC2-5300
    Memory Slots: 2
    Slot Maximum: 2 GB

    iMac Intel Core 2 Duo (Early 2008)
    Maximum Memory: 4 GB
    Memory Type: 200-pin SODIMM DDR2 PC2-6400
    Memory Slots: 2
    Slot Maximum: 2 GB

    iMac Intel Core 2 Duo (Early 2009)
    Maximum Memory: 8 GB
    Memory Type: 204-pin SODIMM DDR3 PC3-8500
    Memory Slots: 2
    Slot Maximum: 4 GB
    Last edited by SusanGray; 03-06-2013 at 08:09 AM.

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