iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac Intel 21.5" EMC 2308 RAM Replacement - iFixit Repair Guide
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 3.06 21.5-Inch (Late 2009) - A35
Install memory in an iMac - Apple Support
DDR3 RAM for Late 2009 iMac | MacRumors Forums
Memory RAM Upgrade for Apple iMac 21.5-inch Late 2009 4GB DDR3 SODIMM | eBay
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Amazon.com: OWC 16GB (4 x 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with iMac 21.5" and 27" (October/2009) : Everything Else
Apple iMac 21.5 2009 3.06Ghz UPGRADE 8GB-RAM 1TB-HDD DVD OS10-15-7 One-owner Box | eBay
8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
Apple iMac 2009 (Late) Core 2 Duo 3.06Ghz 21.5-inch (iMac 10,1) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
Apple iMac 21.5" intel® Core 2 Duo 3.06GHz Late 2009 (Ricondizionato) - Smart Generation
Memory Upgrades for Apple iMac 2011 Up to 32GB
Install memory in an iMac - Apple Support
Apple iMac 21.5-inch Late 2009 - 3.33GHz Core 2 Duo Desktop RAM Memory | Kingston
Install memory in an iMac - Apple Support
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
iMac (21.5-inch, 3.33GHz Intel Core 2 Duo, Late 2009) | iGotOffer
iMac Intel 21.5" EMC 2428 RAM Replacement - iFixit Repair Guide
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - 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
Install memory in an iMac - Apple Support
