A-Tech 4GB PC3-8500 DDR3 1066/1067 MHz RAM for MacBook, MacBook Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) | 204-Pin SODIMM Memory Upgrade Module at Amazon.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
Timetec 8GB Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 for Mac Book (Mid 2010 13-
A-Tech for Apple 8GB Kit (2X 4GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM MacBook, MacBook Pro, iMac, Mac Mini (Late 2008 Early/Mid/Late 2009 Mid 2010) Memory RAM at Amazon.com
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
CMS 16GB (4X4GB) DDR3 8500 1066MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Apple® Imac Core 2 Duo 3.06 21.5" Late 2009 Mc413Ll/A - A33 System Specific Memory - Newegg.com
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 3.06 21.5-Inch (Late 2009) - A35 at Amazon.com
iMac (2009) RAM & Storage Upgrades
8GB KIT 2X 4GB Apple iMac 2.0GHz 20" Mid 2009 2.66GHz 20" MB417LL/A Early 2009 2.66GHz 24" MB418LL/A Early 2009 2.66GHz 27" Late 2009 2.8GHz 27" Late 2009 2.93GHz 24" MB419LL/A Early
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
8GB kit (2x4GB) DDR3 1066 SODIMM for Apple iMac (2009), MacBook Pro (2 – Aplus Technology
Install memory in an iMac - Apple Support
iMac (2007-2009) Memory Installation Video - YouTube
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