Apple iMac (2008 Edition) review: Apple iMac (2008 Edition) - CNET
6GB (4GB & 2GB SODIMM Upgrade Kit) DDR2-800 for Apple iMac 2008 Core 2 Duo 8,1 - Newegg.com
20'' Apple iMac A1224 2008 Core 2 Duo @ 2.66GHz 4GB RAM 320GB HDD MB324LL/A | eBay
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2008 - Up to 6GB
Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
Maximum RAM iMac early 2008 | MacRumors Forums
iMac Performance (May 2008)
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
iMac Early 2008 Intel Core 2 Duo @ 2.4 GHz 4GB RAM 250GB HDD MacOS EL Capitan | eBay
Memory Upgrades for Apple iMac 2008 - Up to 6GB
Memory Upgrades for Apple iMac 2011 Up to 32GB
$25 off 20" Apple iMac, 4GB RAM, 500GB Hard Drive. Was $299, now $274 - Providence Computers
iMac Memory for Model 8.1 | DDR2-800MHz |4GB | MacMemory.com
2GB DDR2 800MHz RAM Memory Upgrade for Apple iMac Core 2 Duo 24-inch (Early 2008) (PARTS-QUICK) - Walmart.com
iMac Intel 20" Early 2008 EMC 2210 - used original spareparts for Macs