8GB kit (2x4GB) DDR3 1066 SODIMM for Apple iMac (2009), MacBook Pro (2 – Aplus Technology
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
iMac Memory for Model 11.1| Late 2009 | 24GB | MacMemory.com
OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) at Amazon.com
A-Tech for Apple 1GB DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook, MacBook Pro, iMac, Mac Mini - (Early/Mid/Late 2006, Mid/Late 2007, Early 2008, Early 2009) - Memory RAM Module at Amazon.com
8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
Install memory in an iMac - Apple Support
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
How to Upgrade the RAM in Your iMac
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2009 - Up to 32GB
8GB 2x 4GB PC3-8500 Apple MacBook Pro iMac Mac MINI Mid 2009 mid 2010 MEMORY RAM | eBay
Install memory in an iMac - Apple Support
iMac (2007-2009) Memory Installation Video - YouTube
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Memory Upgrades for Apple iMac 2009 - Up to 32GB
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
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
4GB Memory for MacBook, MacBook Pro, iMac and Mac mini