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Thread: iMac Memory

  1. #1

    Member Since
    Jan 13, 2011
    iMac Memory
    Hi there.

    I'm a PC... But just got a new iMac. I'm having a hard time understanding which memory works on my iMac.

    I have this exact same iMac Refurbished iMac 21.5-inch 3.2GHz Intel Core i3 processor - Apple Store (U.S.)

    and I want to put 16 GB Ram in there. Will this memory fit/work with my iMac? - iRam 8GB (2 x 4GB) DDR3 1333 ECC Memory for Apple iMac Model IR8GSO1333D3K

    Or is there something better and cheaper out there? I see a bunch of cheaper memory but they make no mention of iMac, just SO-DIMM

  2. #2

    Member Since
    Jan 13, 2011
    iMac Memory
    Will any memory work for iMac like this? Refurbished iMac 27-inch 3.2GHz Intel Core i3 processor - Apple Store (U.S.)

    As long as it's called SO-DIMM?

    I'm really confused. With PC you just match up the pin numbers and you're pretty much set.

  3. #3

    McYukon's Avatar
    Member Since
    May 14, 2009
    Near Whitehorse, Yukon
    2012 MBP i7 2.7 GHz 15" Matte - 16 GB RAM - 120 GB Intel SSD - 500 GB DataDoubler Mac OS 10.9
    Your iMac takes 204-pin (1333 MHz) DDR3 SO-DIMM RAM Cards.
    So Yes, those cards are compatible. I'm just a bit sceptic how good a quality they are, as I have never seen the brand iRam.

    I'm not saying that they are no good, just if you want to be completely sure you have have a top quality RAM Brand, OWC has never let me down.
    And I don't know how much it saves but I just saw that they have a memory trade-in program.
    Memory up to 16GB for Apple iMac 2010 Models - 21.5" and 27" 2.8HGz to 3.3GHz DDR3 True PC3-10600 at
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  4. #4

    chas_m's Avatar
    Member Since
    Jan 22, 2010
    Victoria, BC
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    Wouldn't it be simpler to just check with the vendor of the RAM you're considering? Just tell them your Mac model and they'll send you the right RAM -- particularly if they're a Mac-friendly dealer in the first place (the only kind you should be supporting anyway!).

    In the US I would recommend, in Canada I'd suggest

    You can also look here: Find great deals on Memory Cards and RAM for your Laptop, Desktop, or Netbook Computer

  5. #5

    mrplow's Avatar
    Member Since
    Oct 01, 2007
    27" iMac i7 (2011) 10.10, iPhone6, iPad Air 2, AppleTV2
    To be fair it's no different than with a PC really. Different motherboards use different types/speeds/latencys.

    With any memory purchase you just need to make sure your getting the most suitable type for the motherboard that's installed.
    Try the Crucial website, they have a look-up for PC and Macs alike.

    It that particular Mac you have 4gb of 204-pin SODIMM DDR3 PC3-10600 (1333MHz)

    It's currently got 2x2gb sticks and has four slots.

    You could add another 2x2gb to take it to 8gb total or put 4x4gb in it to take it to it's max of 16gb
    External hard disk acquisition addict - but admitting the problem is the first step to a robust backup

    Please use the reputation system if you think you've been helped - top right of this post

  6. #6

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Fort Worth, Texas
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan

    Do not cross post. You posted this same question in two different forums. That causes confusion and unnecessary replies. Always post to the same thread and in the same forum.

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