Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM Upgrade
6GB Memory for 2007-2008 MacBook Pro, MacBook, and iMac
CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 - A42 at Amazon.com
iMac (Early 2008) RAM Upgrade - YouTube
iMac | 3.06 GHz Core 2 Duo | 24 Inch | Early 2008 - Techable.com
iMac (2007-2009) Memory Installation Video - YouTube
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
apple-history.com / iMac (Early 2008)
Memory Upgrades for Apple iMac 2008 - Up to 6GB
Apple iMac A1225 24" Desktop - MB325LL/A (April, 2008) for sale online | eBay
Apple iMac A1224 20" Core 2 Duo 2.4GHz 1GB RAM 320GB HDD No OS | eBay
A-Tech for Apple 4GB Kit 2X 2GB PC2-5300 667MHz Mac Mini iMac Late 2006 Late 2008 Mid 2007 A1208 MA589LL A1207 MA456LL A1200 MB138LL/A A1176 MB139LL/A Memory RAM at Amazon.com
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
4GB Kit Apple iMac (April 2008) Memory Upgrade 2 x 2GB (MB413G/A) DDR2 PC2-6400 SODIMMs at Amazon.com
Imac Early 2008 Ram Upgrade Outlet, SAVE 53%.
iMac Intel 20" Early 2008 EMC 2210 - used original spareparts for Macs
4GB -2x2GB Memory Ram Upgrade 20" Apple iMac-8.1 2.66GHz Core 2 Duo Early 2008 | eBay
32GB Memory Upgrade for Early 2008 Apple Mac Pro Tower