8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
Apple iMac 27" All-In-One Computer, Intel Core i5, 4GB RAM, 1TB HD, DVD Writer, Mac OS X 10.7 Lion, MC813LL/A - Walmart.com
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
Refurbished Apple iMac 20 Desktop Intel Core 2 Duo 2.26GHz 4GB RAM 160GB HDD MC015LL/A - Walmart.com
Memory RAM 1x 2GB Apple iMac Early 2009 DDR3 1066MHz SO-DIMM | E-OWC8566DDR3S2GB | APPLE \ MEMORY FOR APPLE \ OWC \ APPLE IMAC \ iMac Early 2009 \ iMac 24'' (Early