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 20" 2.66GHz (Early 2009) | mac of all trades
Install memory in an iMac - Apple Support
iMac (2009) RAM & Storage Upgrades
iMac Intel 20" EMC 2266 Repair - iFixit
iMac (2009) RAM & Storage Upgrades
iMac Intel 20" EMC 2266 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
Memory RAM Upgrade for Apple iMac 20-inch Early 2009 4GB DDR3 SODIMM | eBay
iMac (Early 2009) | Low End Mac
iMac (20-inch, Mid 2009) - Technical Specifications
8GB -2x4GB Memory Ram Upgrade 20" Apple iMac 9.1 2.66GHz Core 2 Duo Early 2009 | eBay
How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
Memory RAM Upgrade for Apple iMac 20-inch Early 2009 4GB DDR3 SODIMM | eBay
iMac Intel 20" Early 2009 EMC 2266 - used original spareparts for Macs
how to upgrade iMac early 2009 SSD and RAM - full class - YouTube
iMac | 2.0 GHz Core 2 Duo | 20 Inch | Mid 2009 - Techable.com
iMac (2009) RAM & Storage Upgrades
iMac Intel 27" EMC 2309 (Late 2009) Memory Maxxer RAM Upgrade Kit
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
Install memory in an iMac - Apple Support
How to Upgrade Memory in a Late 2009 21.5-inch or 27-inch iMac - YouTube
A-Tech for Apple 4GB Kit (2X 2GB) DDR3 1067MHz / 1066MHz PC3-8500 SODIMM iMac (Early/Mid/Late 2009, 20/24 inch, 21.5/27 inch), Mac Mini (Early/Late 2009 Mid 2010) Memory RAM Upgrade at Amazon.com
