CMS 6GB (1X4GB) & (1X2GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Apple® Imac Core 2 Duo 3.06 24" Early 2008 - B117 - Walmart.com
4GB Kit Apple iMac (April 2008) Memory Upgrade 2 x 2GB (MB413G/A) DDR2 PC2-6400 SODIMMs at Amazon.com
Maximum RAM iMac early 2008 | MacRumors Forums
iMac | 2.66 GHz Core 2 Duo | 20 Inch | Early 2008 - Techable.com
Install memory in an iMac - Apple Support
4GB -2x2GB Memory Ram Upgrade 20" Apple iMac-8.1 2.4GHz Core 2 Duo Early 2008 | eBay
Apple imac 27 inch (2008) 3.06 GHZ Intel Core 2 Duo, 4 Gig Ram (Not Used) | eBay
iMac Memory for Model 8.1 | DDR2-800MHz |4GB | MacMemory.com
Install memory in an iMac - Apple Support
Apple iMac (2008 Edition) review: Apple iMac (2008 Edition) - CNET
how to Install from 2gb to 6gb gig Ram in 2008 Imac MAC 2.4 Ghz core Duo 2 Intel chip upgrade memory - YouTube
Timetec Hynix IC 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz/1066MHz PC3-8500 SODIMM RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini (8GB KIT(2x4GB)) - Walmart.com
Sold: 20-inch iMac Early-2008 // $425 | Denver Mac Repair
Install memory in an iMac - Apple Support
iMac 20-inch (Early 2008) Core 2 Duo 2.4GHz - HDD 250 GB - 4GB | Back Market
4GB Kit (2GBX2) DDR2 800MHz RAM Memory Upgrade for Apple iMac Core 2 Duo 20-inch (Early 2008) (PARTS-QUICK) - Walmart.com