Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)
Factory Original 64GB (2x32GB) Memory Upgrade for 2020 & 2019 Apple iMac 27" w/Retina 5K Display & 2018 Apple Mac Mini DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v RAM Adamanta at Amazon.com
Install memory in an iMac - Apple Support
Correct slot order for ram? : r/mac
iMac, 2021, 24-inch, Apple M1, 1TB SSD, 16GB RAM, Blue
How to upgrade iMac (2020) RAM and save up to $2000 - 9to5Mac
Apple iMac 5K 27-inch (Mid 2019) 3.6GHz i9 8GB RAM 512GB SSD - Buy Refurbished iMac 2019 at Techable
2020 5K iMac RAM Upgrade Guide - Save $2100 on 128GB! - YouTube
Apple iMac Pro 27" Intel Xeon 32GB RAM 1TB SSD AMD Radeon RX Vega 56 Mac OS MQ2Y2LL/A Black - US
Buying a New iMac? Here's the Info on the 2017 iMac RAM Upgrades