How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
Apple iMac 20" Early 2008 MB323LL/A 2.4GHz Intel Core 2 Duo 2GB RAM 250GB HDD 600140883893 | eBay
iMac Memory for Model 8.1 | DDR2-800MHz |4GB | MacMemory.com
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
Pre-Owned. item 6 APPLE A1224 IMAC: early 2008, 320gb hd, 4gb ram |010- Pre-OwnedAPPLE A1224 IMAC: early 2008, 320gb hd, 4gb ram |010- for Sale in Aurora, CO - OfferUp
upgrade - Which memory speed for an early 2008 Mac Pro? - Ask Different
Apple iMac Early 2008 Intel Core 2 Duo (2017 Review) - YouTube
iMac | 2.66 GHz Core 2 Duo | 20 Inch | Early 2008 - Techable.com