iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
4GB (2GBx2) Team High Performance Memory RAM Upgrade For iMac “Core 2 Duo” 2.16 24-Inch MA456LL iMac 6,1 1. The Memory Kit comes with Life Time Warranty. at Amazon.com
4GB 2 X 2GB DDR2 Memory for iMac 7,1 Mid 2007 20" inch 24" inch Intel Core 2 Duo 2.4GHz PC2-5300 667MHz 200 pin SODIMM (PARTS-QUICK) at Amazon.com
Apple iMac 21.5" All In One Computer Core 2 Duo 3.06GHz 8GB 500GB Mac OSX El Capitan and WIFI
4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Apple iMac 7,1 (20-inch, 2.0GHz, MA876LL/A) Intel Core 2 Duo (Genuine A-Tech Brand) at Amazon.com
MacBook Core 2 Duo RAM Replacement - iFixit Repair Guide
iMac Performance (May 2008)
OFFTEK 2GB Replacement Memory RAM Upgrade for Apple iMac 2.0GHz Intel Core 2 Duo - (20-Inch) (DDR2-5300) Desktop Memory at Amazon.com
2GB Memory Upgrade for Apple iMac 5, 1 Intel Core 2 Duo 2.0GHz 17-inch MA590LL/A DDR2 PC2-5300 667MHz 200 pin SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
CMS 4GB (2X2GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 Ddr2 - A39 at Amazon.com