Apple iMac 20-inch Early 2009 2.66GHz Intel Core 2 Duo (MB417LL/A) – UNICOM, Inc.
OWC 6GB (2GB + 4GB) PC8500 DDR3 1066MHz SO-DIMMs Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, 2009/2010 Mac Mini, 2009 iMac Models at Amazon.com
apple-history.com / iMac (Late 2009)
Apple Imac 20" Early 2009 A1224 Intel Core 2 2.66ghz 2gb Ram El Capitan -Working | eBay
Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
16GB RAM on an iMac 24" (early 2009)? - Apple Community
iMac Intel 20" Early 2009 EMC 2266 - used original spareparts for Macs
iMac (2009) RAM & Storage Upgrades
DDR3 RAM for Late 2009 iMac | MacRumors Forums
iMac | 3.06 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com
Mac RAM Upgrade, Best iMac Memory Upgrade – Best Reviews
iMac 24-inch Early 2009 – Full Tech Specs, Release Date, and Price
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM Memory RAM
iMac (2009) RAM & Storage Upgrades
Early-2009 iMac 24" for only $35! : r/mac
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
iMac 24" 2.66GHz (Early 2009)* | mac of all trades