4GB NEMIX RAM Memory for Apple Module iMac 2007 - Newegg.com
parts-quick 6GB (4GB + 2GB) Memory for Apple MacBook Pro, iMac 2007 2008 Compatible PC2-5300 667MHz DDR2 SODIMM at Amazon.com
A-Tech for Apple 1GB DDR2 667MHz PC2-5300 200-pin SODIMM for MacBook, MacBook Pro, iMac, Mac Mini - (Early/Mid/Late 2006, Mid/Late 2007, Early 2008, Early 2009) - Memory RAM Module at Amazon.com
Sold: 24-inch iMac Mid-2007 // $495 | Denver Mac Repair
iMac (2007-2009) Memory Installation Video - YouTube
Mid 2007 iMac Max Ram? | MacRumors Forums
iMac 2.4 GHz (24-inch, Mid 2007) — Keane Mac Repair
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
6GB Memory for 2007-2008 MacBook Pro, MacBook, and iMac