Mid-2011 - iMac12,1

Compatible Upgrade for: iMac12,1 - A1311 - EMC - 2428   Mid 2011, 21-5-inch 
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Standard Memory: 4 GB
Maximum Memory 32 GB DDR3 1333MHz
Note: By default, 4 GB of RAM is installed as two 2 GB SO-DIMM modules. Two slots free.
The following items are also compatible with this product...............................
External Hard Drives Installation tools SSD Storage Cards
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