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
Amazon.com: HP Computer Desktop Core 2 Duo 1.8GHz, Windows 7 Professional, DVD Drive, New 1GB RAM, 80GB Hard Drive, New Keyboard Mouse-(Certified Reconditioned) : Electronics
Amazon.com: HP Computer Desktop Core 2 Duo 1.8GHz, Windows 7 Professional, DVD Drive, New 1GB RAM, 80GB Hard Drive, New Keyboard Mouse-(Certified Reconditioned) : Electronics
Amazon.com: DELL OptiPlex, Intel Core 2 Duo 2.9GHz Processor, 4GB Memory, 160GB Hard Drive, DVD, Windows 10, WiFi (Renewed)'] : Electronics