How to upgrade the RAM on the 27-Inch iMac (2020) | AppleInsider
apple-history.com / iMac (Mid 2007)
iMac (2007-2009) Memory Installation Video - YouTube
Apple iMac 20" Mid 2007 Core 2 Duo 2.0GHz 2GB RAM 250GB HDD Radeon HD 2400 XT | Being Patient
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
CMS 4GB (2X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac (Mid 2007) Pc2-5300 - A37 at Amazon.com
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