Install memory in an iMac - Apple Support
Apple iMac 27" intel® Core 2 Duo 3.06GHz Late 2009 (Refurbished) - Smart Generation
Apple iPhone Apple iMac 27-inch Late 2009 | 4GB RAM | 3.06GHz | 1TB HDD - Used Products Hoorn
iMac | 3.06 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com
iMac 9,1 (20-inch | 24-inch, Early 2009)
Apple iMac A1311 21.5" Desktop - MB950LL/A (October, 2009) for sale online | eBay
Install memory in an iMac - Apple Support
iMac | 2.26 GHz Core 2 Duo | 20 Inch | Mid 2009 - Techable.com
How to Upgrade iMac RAM (21.5" and 27" Aluminum): EveryMac.com
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac & Mac Mini (2018, 2019 & 2020) | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Memory Upgrade at Amazon.com
iMac Intel 27" EMC 2309 (Late 2009) Memory Maxxer RAM Upgrade Kit
2009 iMac 20" Core 2 Duo, 4 GB, 160 GB HDD - Refurbished - iRedo
Memory Upgrades for Apple iMac 2009 - Up to 32GB
Apple iMac 21.5-inch, Late 2009 - 3.06GHz Core 2 Duo Memory RAM Upgrades - Low Cost Delivery & Guaranteed Compatible | Mr Memory®
8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
Can the Late 2009 27" iMac handle 32GB of RAM? | MacRumors Forums
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
Refurbished Apple iMac 9,1/E8135/6GB RAM/640GB HDD/9400M/DVD-RW/20"/B (Early - 2009) | Mac4sale
Max RAM for my iMac 27" (late 2009) | MacRumors Forums
iMac (2009) RAM & Storage Upgrades
Apple iMac (27-inch, unibody, 2009) review: Apple iMac (27-inch, unibody, 2009) - CNET
