Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)
Apple's 27" iMac Late 2012 model. How to upgrade the ram to 16GB - YouTube
NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR3-1600 SODIMM PC3-12800 for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 at Amazon.com
Timetec Hynix IC Apple 8GB DDR3L 1600MHz PC3L-12800 SODIMM Memory upgrade For MacBook Pro 13-inch/15-inch Mid 2012, iMac 21.5-inch Late 2012/ Early/Late 2013 (8GB) - Walmart.com
How To Upgrade RAM in a Mac | Macworld
Apple iMac (Late 2012) review (21.5- and 27-inch) | Macworld
Apple iMac 2012 (Late) 21.5-inch (iMac 13,1) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
The New 2017 iMac: Notes & Tidbits on RAM - The Mac Observer