Apple iMac 20" Mid 2007 2.5GHz T9300 4GB 667MHz 500Gb OS 10-15-7 One Owner Boxed | eBay
Install memory in an iMac - Apple Support
Memory Upgrades for Apple iMac 2007 - Up to 6GB
Install memory in an iMac - Apple Support
20-Inch iMac (2007-2008) Hard Drive Installation Video (iMac7,1 iMac8,1) - YouTube
Used Apple iMac A1224 Mid-2007 20" Intel Core 2 Duo 2GB RAM Formatted | eBay
Apple iMac 20" Mid 2007 MA876LL 2.0GHz Intel Core 2 Duo 3GB RAM 250GB HDD | eBay
Install memory in an iMac - Apple Support
The infamous 2007 iMac on Catalina | MacRumors Forums
6GB Memory for 2007-2008 MacBook Pro, MacBook, and iMac
A-Tech for Apple 6GB Kit (1x2GB + 1x4GB) DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook (Late 2007, Early 2008, Early 2009), MacBook Pro (Mid 2007, Early 2008), iMac (Mid 2007) - Memory RAM Upgrade at Amazon.com