It's Dead Easy to Swap the RAM on a 27” iMac (Late 2012) – How To
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
How to Upgrade Memory in a 27-inch iMac (Late 2012-2013) iMac13,2 and iMac14,2 - YouTube
How to Upgrade Memory in a 27-inch iMac (Late 2012-2013) iMac13,2 and iMac14,2 - YouTube
Apple's 27" iMac Late 2012 model. How to upgrade the ram to 16GB - YouTube
Apple iMac 27" Late 2012 A1419 3.4GHz Quad-Core i7 24GB RAM 1TB HDD - computers - by owner - electronics sale -...
Amazon.com: Apple iMac 27-Inch Desktop, 3.4 GHz Intel Core i7 Processor, 16 GB memory, 1TB HDD (Renewed),macOS High Sierra : Electronics
A-Tech 8GB Kit (2x4GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Apple iMAC 27" Late 2012, Core i7 16GB RAM 1 TB HDD Mac OS Catalina 10 - computers - by owner - electronics sale -...
32GB iMac Memory for 27-inch Late 2012 to Mid 2015 Models 13,2 14,2 and 15,1 (8GBx4)
Apple iMac 27" - Late 2012 Reviews, Pros and Cons | TechSpot