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
apple-history.com / iMac (Late 2009)
iMac "Core 2 Duo" 3.06 21.5" (Late 2009) Specs (Late 2009, MB950LL/A*, iMac10,1, A1311, 2308): EveryMac.com
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
DDR3 RAM for Late 2009 iMac | MacRumors Forums
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
Apple iMac 27-inch & 21.5-inch Late 2009 RAM Memory - Macfixit Australia
A-Tech 16GB (4 x 4GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 21.5-inch / 27-inch | 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
apple-history.com / iMac (Late 2009)
iMac 21.5" 3.06GHz C2D/4GB/256GB/Late 2009 - MacEnthusiasts
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
iMac Intel 27" Late 2009 EMC 2309 - used original spareparts for Macs
iMac | 3.06 GHz Core 2 Duo | 21.5 Inch | Late 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
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
iMac "Core i5" 2.66 27" (Late 2009) Specs (Late 2009, MB953LL/A, iMac11,1, A1312, 2374): EveryMac.com
iMac (2009) RAM & Storage Upgrades
iMac (27-inch, 2.8GHz Intel Core i7, Late 2009) | iGotOffer
Understanding RAM Speed Differences and Upgrades - Mac Optimization Software Reviews
Install memory in an iMac - Apple Support
iMac | 2.66 GHz Intel i5 | 27 Inch | Late 2009 - Techable.com
