Product Overview
Processor Specifications:
4GB DDR3 1333MHz PC3-10600 512X64 204Pin SODIMM Memory for iMac 2011.
This memory is compatible with the following iMac models
21.5" i5 2.5GHz
21.5" i5 2.7GHz  Â
21.5" i7 2.8GHz
27" i5 2.7GHz     Â
27" i5 3.1GHz
27" i7 3.4Ghz
21.5" i3 3.1GHz Education Model (Supports up to 8.0GB total.)
Works with Model Identifiers: iMac12,1 & iMac12,2
iMac 2011 Specifications:
Total number of slots: 4
Maximum memory/slot: 8GB
Install Pairs (2 at a time) for best performance
Maximum of 32GB Total Memory Supported(Except 21.5" i3 3.1GHz Education Model, which Supports up to 8.0GB total.)
Brand:
One of the major brands like Crucial, Micron, Samsung, Kingston, Corsair, etc.
Note: Depending on availability, the shipped item's condition could be New, Used, Refurbished, Pulled or OEM.