16GB -2x8GB Memory Ram Upgrade for 27" Apple iMac-13.2 Core i5 2.9GHz Late 2012 | eBay
Which RAM to buy for iMac 27-inch Late 2012? | MacRumors Forums
Install memory in an iMac - Apple Support
The Case of the Late-2012 iMacs - MacStories
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Max Memory Upgrade at Amazon.com
2012 Apple iMac 27" Core i7 3.4GHz 32GB RAM 3TB SSD MD096LL/A (Scratch and Dent Used) - Walmart.com