Restored Apple iMac 20-Inch 2.66 GHz Intel Core 2 Duo 2GB Ram 320GB HDD - MB417LL/A (Refurbished) - Walmart.com
Got this 2.4ghz core 2 duo iMac for $10 : r/mac
Apple iMac 20" Desktop Computer Core 2 Duo 4GB 1TB El Capitan Mac OS (A1224)
16GB (4GBx4) Team High Performance Memory RAM Upgrade For iMac “Core 2 Duo” 3.06 21.5-Inch (Late 2009) MB950LL/A iMac 10,1 1. The Memory Kit comes with Life Time Warranty. 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 (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 - A42 at Amazon.com
New Memory Ram Upgrade 4 Apple iMac 24" Core 2 Duo 2.4GHZ 2.8GHz A1225 MID 2007 | eBay
Install memory in an iMac - Apple Support
Apple iMac 21.5" Desktop Computer Core 2 Duo 3.06GHz 4GB Ram 500GB Mac OS El Capitan MB950LL/A
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
8GB kit (2x4GB) DDR3 1066 SODIMM for Apple iMac (2009), MacBook Pro (2 – Aplus Technology