16GB KIT (8GBX2) Memory Upgrade for iMac Late 2009 Intel Core 2 Duo I5, I7 With Model ID 11,1
The 16GB KIT contains (2) 8GB DDR3-1066, PC3-8500, Non-ECC, Unbuffered, 1.5V, 204pin SO-DIMM
For iMac Late 2009 with Model ID: 11,1
For iMac Late 2009 models with processors:
27" i5 2.6GHz 27" i7 2.8GHz
This iMac has 4 memory slots supporting up to 8GB per slot for a maximum of 32GB. Install memory in pairs for optimum performance.
Eagle Memory uses a non-stacked module for the DDR3-1066 modules for the iMac. The cheaper stacked IC variety of SO-DIMM draws more power, which increases heat and can cause increased errors. Eagle Memory ONLY uses premium non-stacked chips.