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
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Maximum RAM iMac early 2008 | MacRumors Forums
Apple iMac 8.1 20 In (2.40GHz, Intel Core 2 Duo, 2GB RAM) 2008 25162000088 | eBay
Memory Upgrades for Apple iMac 2008 - Up to 6GB
Apple iMac 8.1 20 Inch All in One Computer 2ghz Intel Core 2 Duo A1224 for sale online | eBay
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com