Apple iMac 21.5" AIO High Sierra 3.06GHz Intel Core2 Duo 8GB Ram 500GB Late 2009 | eBay
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Apple iMac Late 2009 All in One Pc i7 16gb Ram 2TB HHD 2.8gz Selling as Is | eBay
Early 2009 model iMac Computer, DDR3 8GB (2x4GB) RAM Replacement - YouTube
Apple iMac 3.0Ghz Core 2 Duo 21.5-Inch (Late-2009) *No HDD/RAM* – MSU Surplus Store
iMac | 2.0 GHz Core 2 Duo | 20 Inch | Mid 2009 - Techable.com
Is it worth upgrading my ram on a Late 2009 iMac? New iMacs/MacBooks are very pricey. It's currently running on 4GB of RAM & it has a 3.06GHz Intel Core Duo Processor. :
Memory Upgrades for Apple iMac 2011 Up to 32GB
16GB 2 x 8GB SODIMM Memory RAM for APPLE iMac Late 2009 PC3-8500 A1311 MB950LL/A | eBay
Benefits from RAM upgrade to Late 2009 iMac | MacRumors Forums
Memory Upgrades for Apple iMac 2009 - Up to 32GB
A-Tech for Apple 2GB DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM Module for MacBook, MacBook Pro, iMac, Mac Mini - (Late 2008, Early 2009, Mid 2009, Late 2009, Mid 2010) Models at Amazon.com