A-Tech 32GB (4 x 8GB) PC3-8500 DDR3 1066/1067 MHz RAM for iMac Late 2009 27-inch (Quad-Core i5/i7) | 204-Pin SODIMM Max Memory Upgrade Kit at Amazon.com
iMac (2007-2009) Memory Installation Video - YouTube
Install memory in an iMac - Apple Support (IN)
iMac Intel 21,5" Late 2009 EMC 2308 - used original spareparts for Macs
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
8GB -2x4GB Memory Ram Upgrade 21.5" Apple iMac 10.1 3.06GHz Core2Duo Late 2009 | eBay
iMac Intel 24" Early 2009 EMC 2267 - used original spareparts for Macs
Refurbished 24-Inch Apple iMac "Core 2 Duo" 3.06Ghz 4GB Ram 1TB HDD
Apple iMac 20-inch Educational July 2009 2GHz Intel Core 2 Duo (MC015LL/A) | eBay
Memory Upgrades for Apple iMac 2009 - Up to 32GB
iMac Intel 27" EMC 2309 and 2374 RAM Replacement - iFixit Repair Guide
iMac (Early 2009) | Low End Mac
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
Install memory in an iMac - Apple Support
Amazon.com: Apple iMac MNE92LL/A 27 Inch, 3.4 GHz Intel Core i5, 8GB RAM, 1TB Fusion Drive, Silver (Renewed), Mac OS : Electronics
iMac Intel 27" EMC 2309 (Late 2009) Memory Maxxer RAM Upgrade Kit
IMac 21.5-inch Late 2009 - Mac OS High Sierra 10.13.6, Intel Core 2 Duo, 4 GB DDR3 RAM, 500 GB HDD, Nvidia GeForce 9400 256 MB VRAM
How I kept my iMac running for a decade | Cult of Mac
iMac (2009) RAM & Storage Upgrades
Memory Upgrades for Apple iMac 2009 - Up to 32GB
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Install memory in an iMac - Apple Support
CMS 4GB (2X2GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Early 2009 LAT 2009 Core 2 Duo DDR3 1067 MHz RAM - A47 at Amazon.com
