8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
2009 2010 Apple Mac Mini Imac Macbook Pro Memory Ram 8gb 2x4gb Ddr3 1066 1067 - Rams - AliExpress
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
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
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac (2007-2009) Memory Installation Video - YouTube
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
4GB Memory for MacBook, MacBook Pro, iMac and Mac mini
8GB 2x 4GB PC3-8500 Apple MacBook Pro iMac Mac MINI Mid 2009 mid 2010 MEMORY RAM | eBay
How to UPGRADE Ram on iMac (2009-2011) - YouTube
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac (2009) RAM & Storage Upgrades
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube