iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Install memory in an iMac - Apple Support
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
Install memory in an iMac - Apple Support
Apple iMac 27-inch (2012) Review - SlashGear
iMac 27 inch - Late 2014 Core i5 3.5 - 8GB Ram - A1419 - Grade A - The iOutlet
How Much RAM Do You Need? | For Your Apple Mac | MacFinder
Memory RAM 1x 4GB Apple iMac Late 2012 DDR3 1600MHz SO-DIMM | E-OWC1600DDR3S4GB | APPLE \ MEMORY FOR APPLE \ OWC \ APPLE IMAC \ iMac Late 2012 \ iMac 27'' (Late