How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
How To Upgrade RAM in a Mac | Macworld
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
memory - What can be replaced/upgraded in a late-2009 iMac to make it run like a 2014-2016 iMac? - Ask Different
Install memory in an iMac - Apple Support
Benefits from RAM upgrade to Late 2009 iMac | MacRumors Forums
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 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB HDD Mac OS High Sierra MC508LL/A w/ Keyboard & Mouse - GRADE B
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2374 (Late 2009) Memory Maxxer RAM Upgrade Kit
Install memory in an iMac - Apple Support
iMac RAM Memory Installation 2009 2010 2011 21 5" Apple Dollars #13 - YouTube
How to Upgrade the RAM in Your iMac | Envato Tuts+
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
Apple iMac 27" - Late 2009 Reviews, Pros and Cons | TechSpot
16GB Memory Upgrade Kit 2009 Apple Apple iMac
Memory Upgrades for Apple iMac 2009 - Up to 32GB
ram for late 2009 imac model | Newegg.com
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
Review: Apple's 27" big screen iMac (late 2009) | AppleInsider
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
