A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
How to Upgrade iMac Hard Drive (2007, 2008, 2009): EveryMac.com
SOLVED: How can I upgrade my early 2008 24" iMac? - iMac Intel 24" EMC 2134 and 2211 - iFixit
iMac (Early 2008) RAM Upgrade - YouTube
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
Sold: 20-inch iMac Early-2008 // $425 | Denver Mac Repair
Memory Upgrades for Apple iMac 2008 - Up to 6GB
iMac with Retina 5K Display 2014/2015 Memory Upgrades
Maximum RAM iMac early 2008 | MacRumors Forums
Install memory in an iMac - Apple Support (PH)
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
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
CMS 6GB (1X4GB) & (1X2GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 - B117 at Amazon.com
how to Install from 2gb to 6gb gig Ram in 2008 Imac MAC 2.4 Ghz core Duo 2 Intel chip upgrade memory - YouTube