4GB (2GBx2) RAM for 27-inch iMac, DDR3-1600, 1600Mhz, Non-ECC, Unbuffered, 1.35V, 204pin SO-DIMM.
Contains two (2) matched 2GB SO-DIMM memory module that are specifically designed and SPD configured for the Fall 2012 27" iMac, Late 2013 27" iMac and the Late 2014 27" 5k Retina iMac, Model IDs 13,2, 14,2 and 15,1. The Fall 2012, Late 2013, and Mid 2014 21" iMacs, Model IDs 13,1, 14,1, and 14,4 are not user upgradeable.
These modules are compatible with the latestApple Firmware.
Watch our installation video:
Click here for Apple's installation guide.
