Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2309 (Late 2009) Memory Maxxer RAM Upgrade Kit
Review: Apple's 27" big screen iMac (late 2009) | AppleInsider
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
Sold - 27" iMac Late 2009 // $295 - Boulder Mac Repair
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Install memory in an iMac - Apple Support
iMac 27" 3.06GHz (Late 2009) | mac of all trades
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Install memory in an iMac - Apple Support
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
How to Upgrade the RAM in Your iMac
DDR3 RAM for Late 2009 iMac | MacRumors Forums
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2374 (Late 2009) Memory Maxxer RAM Upgrade Kit
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
iMac (27-inch, 3.06GHz Intel Core 2 Duo, Late 2009) | iGotOffer
Apple iMac 27" - Late 2009 Reviews, Pros and Cons | TechSpot
Upgrade your iMac's RAM in less than 5 minutes - YouTube
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
iMac (27-inch, 2.8GHz Intel Core i7, Late 2009) | iGotOffer
Apple iMac 27" 3.06GHZ (2009) review | TechRadar
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac "Core 2 Duo" 3.06 27" (Late 2009) Specs (Late 2009, MB952LL/A, iMac10,1, A1312, 2309): EveryMac.com
