iMac | 3.06 GHz Core 2 Duo | 21.5 Inch | Late 2009 - Techable.com
Memory Upgrades for Apple iMac 2011 Up to 32GB
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.33GHz Core2Duo Late 2009 | eBay
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
Imac Late 2009 Memory Deals, 54% OFF | www.slyderstavern.com
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book,
Apple iMac A1311 21.5" Desktop - MB950LL/A (October, 2009) for sale online | eBay
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube