Apple iMac "Core i5" 2.9 27-Inch (2012) A1419 MD095LL/A 8GB RAM 1TB HDD – Coretek Computers
Install memory in an iMac - Apple Support
A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Memory Upgrade at Amazon.com
Install memory in an iMac - Apple Support
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Apple Officially Confirms 21.5” iMac RAM Is Non-User-Replaceable
Apple iMac 2012 21.5" 2.7 GHz Core i5 1TB HDD 8GB RAM NVIDIA | eBay
Apple's 2012 iMac: Ready for its close-up (pictures) - CNET
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
iMac Intel 21.5" EMC 2544 RAM Replacement - iFixit Repair Guide
Apple iMac 21.5" 2.7GHz i5 1TB HDD 8GB RAM 2012 MD093LL/A - A Grade Refurbished | Groupon
27" iMac (Late 2012) 32GB RAM Upgrade (How To & Guide) - YouTube
Apple iMac 21.5" Desktop - 2.7GHz Quad-Core i5 - 8GB RAM - 1TB HDD - (2012) - Silver - Best Deal in Town
Apple iMac 21.5" 2.7GHz i5 1TB HDD 8GB RAM 2012 MD093LL/A - A Grade Refurbished | Groupon
iMac Intel 21.5" EMC 2544 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
What Does It Take To Upgrade a 2012 iMac 21.5"?
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Install memory in an iMac - Apple Support
iMac Intel 21.5" EMC 2544 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2546 RAM Replacement - iFixit Repair Guide
