iMac 24-inch (Early 2009) Core 2 Duo 2.66GHz - HDD 640 GB - 4GB | Back Market
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
how to upgrade iMac early 2009 SSD and RAM - full class - YouTube
iMac 24-inch Early 2009 – Full Tech Specs, Release Date, and Price
Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
Apple iMac 24-inch Early 2009 3.06GHz Intel Core 2 Duo (MB420LL/A) – UNICOM, Inc.
iMac | 2.66 GHz Core 2 Duo | 24 Inch | Early 2009 - Techable.com
iMac (2009) RAM & Storage Upgrades
Apple Imac 20" Early 2009 A1224 Intel Core 2 2.66ghz 4gb Ram High Sierra & More | eBay
Apple Imac 20" Early 2009 A1224 Intel Core 2 2.66ghz 2gb Ram El Capitan -Working | eBay