SOLVED: How can I upgrade my early 2008 24" iMac? - iMac Intel 24" EMC 2134 and 2211 - iFixit
Memory Upgrades for Apple iMac 2008 - Up to 6GB
SOLD - 2008 24" iMac - $245 | Denver Mac Repair
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 Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
Install memory in an iMac - Apple Support
A-Tech for Apple 1GB DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook, MacBook Pro, iMac, Mac Mini - (Early/Mid/Late 2006, Mid/Late 2007, Early 2008, Early 2009) - Memory RAM Module at Amazon.com
Maximum RAM iMac early 2008 | MacRumors Forums
Install memory in an iMac - Apple Support
Apple iMac 24" Desktop - MB393B/A (2008) for sale online | eBay
OWC Memory Upgrades For 24" & 20" iMac (2008)
iMac 21,5" 2011 Core i5 2,5 Ghz 16 Go 1 To HDD Argent