How to upgrade iMac (2020) RAM and save up to $2000 - 9to5Mac
Memory Upgrades for 2019-2020 iMac 27-Inch - Up to 128GB
Apple iMac 27 inch 16GB RAM Upgrade | 2020 Tutorial | TechCentury - YouTube
Timetec 32GB KIT(2x16GB) Compatible for Apple DDR4 2666MHz / 2667MHz for Mid 2020 iMac (20,1/20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K, Late 2018 Mac Mini (8,1) PC4-21333 /PC4-21300 MAC RAM at Amazon.com
Install memory in an iMac - Apple Support
Amazon.com: Mid 2020 Apple iMac with 3.3GHz 6 Core 10th Gen Intel Core i5 (27 inch Retina 5K, 8GB RAM, 512GB SSD) (Renewed) : Electronics
Apple iMac 21.5" (Mid 2020) with Retina 4K Display, Intel i5, 8GB RAM, 256GB SSD, AMD Radeon Pro 560 X, Mac OS Sierra - Silver | P.C. Richard & Son