Apple shows you how to upgrade your new iMac's RAM - 9to5Mac
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
Apple iMac Late 2009 All in One Pc i7 16gb Ram 2TB HHD 2.8gz Selling as Is | eBay
Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 RAM for Mac Book (
iMac Intel 21,5" Late 2009 EMC 2308 - used original spareparts for Macs
iMac | 3.06 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com
A-Tech for Apple 2GB DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM Module for MacBook, MacBook Pro, iMac, Mac Mini - (Late 2008, Early 2009, Mid 2009, Late 2009, Mid 2010) Models at Amazon.com
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
iMac | 3.06 GHz Core 2 Duo | 27 Inch | Late 2009 - Techable.com
OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Apple iMac 20-inch Early 2009 2.66GHz Intel Core 2 Duo (MB417LL/A) – UNICOM, Inc.