CMS 2GB (1X2GB) RAM Memory 4 Apple iMac "Core 2 Duo" 2.4 20-Inch Early 2008 - Walmart.com
Install memory in an iMac - Apple Support
4GB -2x2GB Memory Ram Upgrade 20" Apple iMac-8.1 2.66GHz Core 2 Duo Early 2008 | eBay
Apple iMac 2008 A1225 MB325LL/A 24" C2D 2.8GHz 4GB RAM 500GB HD DVDRW Catalina | eBay
Maximum RAM iMac early 2008 | MacRumors Forums
Memory Upgrades for Apple iMac 2008 - Up to 6GB
Install memory in an iMac - Apple Support
iMac Memory for Model 8.1 | DDR2-800MHz |4GB | MacMemory.com
8GB (4GBx2) Team High Performance Memory RAM Upgrade for iMac “Core 2 Duo” 2.66 20-Inch (Early 2008) MB324LL/A iMac 8,1. The Memory Kit Comes with Life Time Warranty. at Amazon.com