OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) at Amazon.com
Memory Upgrades for Apple iMac 2009 - Up to 32GB
How to Improve Multitasking with an iMac Ram Upgrade?
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
How to Upgrade the RAM in Your iMac
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
iMac Intel 21.5" EMC 2389 RAM Replacement - iFixit Repair Guide
iMac (2007-2009) Memory Installation Video - YouTube
iMac (2009) RAM & Storage Upgrades
2009 2010 Apple Mac mini IMAC macbook pro memory RAM 8GB 2x4GB DDR3 1066 1067
Memory RAM Upgrade for Apple iMac 20-inch Early 2009 4GB DDR3 SODIMM | eBay
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
Memory RAM Upgrade for Apple iMac 20-inch Early 2009 4GB DDR3 SODIMM | eBay
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
