What's the maximum RAM for iMac 21" mid 2011?

By rodion15
Feb 25, 2016
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  1. Hi,

    According to apple specs it should be 16GB.

    According to MacTracker: Maximum memory: 32 (actual) 16GB (apple)

    what does this mean?
  2. Blkfx1

    Blkfx1 TS Evangelist Posts: 850   +201

    Your iMac can use a max of 32GB of RAM. Apparently, the limit was believed to be 16GB (4x 4GB modules), but was tested to be compatible with up to 32GB (4x 8GB modules) of RAM by third parties.
  3. rodion15

    rodion15 TS Booster Topic Starter Posts: 127

    What about 2 x 16GB modules?
    thanks for your answer.

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