Install memory in an iMac - Apple Support
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 for Mac Book, Mac Book Pro, iMac, Mac Mini (Late 2008, Early/Mid/Late 2009, Mid 2010) SODIMM Memory MAC RAM Upgrade
Timetec Hynix IC 4GB Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM Upgrade for Late 2008, Early/Mid/Late 2009, Mid 2010 MacBook, MacBook Pro, iMac, Mac Mini (4GB) - Walmart.com
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
iMac (2007-2009) Memory Installation Video - YouTube
Install memory in an iMac - Apple Support
Shop Imac Late 2009 Ram Upgrade | UP TO 57% OFF
How to UPGRADE Ram on iMac (2009-2011) - YouTube
How to Upgrade the RAM in Your iMac
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
4GB NEMIX RAM Memory for Apple iMac Early & Mid 2009 System Specific Memory - Newegg.com
Memory Upgrades for Apple iMac 2009 - Up to 32GB
8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
Memory Upgrades for Apple iMac 2009 - Up to 32GB
How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
How to Upgrade the RAM in Your iMac
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
iMac (2009) RAM & Storage Upgrades
