How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Install memory in an iMac - Apple Support
Apple iMac 27-inch Late 2009 - 2.8GHz Core i7 Apple RAM Memory | Kingston
Install memory in an iMac - Apple Support
iMac | 3.06 GHz Core 2 Duo | 27 Inch | Late 2009 - Techable.com
DDR3 RAM for Late 2009 iMac | MacRumors Forums
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
8GB PC3-8500 RAM for Apple iMac Late 2009 - 27 Inch MB953LL/A Memory Upgrade Module
Memory Upgrades for Apple iMac 2009 - Up to 32GB
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
16GB Memory Upgrade Kit 2009 Apple Apple iMac
Apple iMac 27" Late 2009 i7-860 2.8GHz 16 GB RAM, 240GB SSD, Radeon HD 6970M 1GB | eBay
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I5 3.4 27-Inch (Late 2013) Me089Ll/A - A7 at Amazon.com
A-Tech for Apple 8GB DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Mid 2010 MacBook 13-inch
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Apple iMac (27-Inch Late 2009) 2.66GHz Intel Core i5, 1TB HDD, 8GB Memory | eBay
27" iMac Late 2009 A1312 Disassembly RAM SSD Hard Drive Upgrade LCD Screen Glass Replacement Repair - YouTube
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Upgrade your iMac's RAM in less than 5 minutes - YouTube
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