8GB kit (2x4GB) DDR3 1066 SODIMM for Apple iMac (2009), MacBook Pro (2 – Aplus Technology
iMac (2009) RAM & Storage Upgrades
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
Memory Upgrades for Apple iMac 2009 - Up to 32GB
OWC 8566DDR3S8GP 8.0GB - 2 x 4GB -PC-8500 DDR3 RAM Kit for iMac 2009 & MacBook/Pro Unibody 2008-10 & Mac mini 2009-10
Apple iMac 21.5" Core 2 Duo Late 2009 3.06GHz 4GB RAM 500GB HDD | 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
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