MemoryMasters 6GB (4GB + 2GB Memory Upgrade Kit) Memory RAM for Apple iMac 2007 7,1 at Amazon.com
4GB NEMIX RAM Memory for Apple Module iMac 2007 - Newegg.com
Install memory in an iMac - Apple Support
CMS 4GB (2X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac (Mid 2007) Pc2-5300 - A37 at Amazon.com
OWC 4GB PC5300 DDR2 667MHz SO-DIMM Memory RAM Upgrade Compatible with MacBook (Late 2007/Early 2008), MacBook Pro (Mid/Late 2007, Early 2008), & iMac (Late 2007) with Core 2 Duo CPU (OWC5300DDR2S4GB) at Amazon.com
Install memory in an iMac - Apple Support
iMac mid 2007 (20-inch and 24-inch) RAM Upgrade Dallas – Apple Mac Computer Repair Dallas , Laptop ,Desktop ,iMac ,MacBook iPhone iPad Data Recovery ,Virus
2007 24 Inch iMac Restoration and Upgrade! SSD + Ram & More! - YouTube
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
Memory Upgrades for Apple iMac 2007 - Up to 6GB
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
2007 24 Inch iMac Restoration and Upgrade! SSD + Ram & More! - YouTube
Install memory in an iMac - Apple Support
20-Inch iMac (2007-2008) Hard Drive Installation Video (iMac7,1 iMac8,1) - YouTube
4GB iMac Memory for Early 2006 to Mid 2007 Models 4,1 4,2 5,1 5,2 6,1 and 7,1 (2GBx2)
Install memory in an iMac - Apple Support
iMac (2007-2009) Memory Installation Video - YouTube
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
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
OWC SSD Upgrade Kits For iMac 2007
Apple iMac Memory - Intel Core 2 Duo 2.4GHz 20" MB323LL/A - DMS