iMac Intel 27" EMC 2639 (Late 2013) Memory Maxxer RAM Upgrade Kit
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac "Core 2 Duo" 2.26 20" (Mid-2009) Specs (Mid-2009 (Edu), MC015LL/B*, iMac9,1, A1224, 2316): EveryMac.com
Late 2009, 27 inch iMac can use 32 GB of 1333 MHz RAM, beyond what Apple says - YouTube
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Install memory in an iMac - Apple Support
Apple iMac 24-inch March 2009 2.66GHz Intel Core 2 Duo (MB418LL/A) | eBay
iMac (21.5-inch, 3.33GHz Intel Core 2 Duo, Late 2009) | iGotOffer
Install memory in an iMac - Apple Support
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Install memory in an iMac - Apple Support
16GB RAM on an iMac 24" (early 2009)? - Apple Community
Install memory in an iMac - Apple Support
iMac | 2.26 GHz Core 2 Duo | 20 Inch | Mid 2009 - Techable.com
iMac (Early 2009) | Low End Mac
Install memory in an iMac - Apple Support
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
How To Upgrade RAM in a Mac | Macworld
iMac | 3.06 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com
A-Tech 32GB (4 x 8GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 27-inch (Quad-Core i5/i7) | 204-Pin SODIMM Max Memory Upgrade Kit at Amazon.com
How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
iMac (2009) RAM & Storage Upgrades
iMac Intel 27" Late 2009 EMC 2309 - used original spareparts for Macs
iMac | 3.06 GHz Core 2 Duo | 27 Inch | Late 2009 - Techable.com
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac (2007-2009) Memory Installation Video - YouTube
