16GB iMac Memory for Mid 2010 to Late 2011 Models 11,2 11,3 12,1 and 12,2 (4GBx4)
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
How To Upgrade RAM in a Mac | Macworld
Apple iMac 5K 27-inch (Mid 2019) 3.6GHz i9 32GB RAM 4TB SSD - Buy Refurbished iMac 2019 at Techable
How to upgrade iMac (2020) RAM and save up to $2000 - 9to5Mac
4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Apple iMac 7,1 (20-inch, 2.0GHz, MA876LL/A) Intel Core 2 Duo (Genuine A-Tech Brand) at Amazon.com
2020 5K iMac RAM Upgrade Guide - Save $2100 on 128GB! - YouTube
How to upgrade the RAM on the 27-Inch iMac (2020) | AppleInsider