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
Apple iMac 7.1 20 Inch All in One Computer 500gb HD 2ghz Intel Core 2 Duo A1224 for sale online | eBay
Apple iMac 20" All in One Desktop PC Intel Core 2 Duo 320GB 8GB - MB417LL/A
Refurbished Apple A Grade Desktop Computer iMac 20-inch (Aluminum) 2.0GHZ Core 2 Duo (Mid 2007) MA876LL/A 2 GB DDR3 250 GB HDD 1680 x 1050 Display Sierra 10.12 Includes Keyboard and Mouse - Walmart.com
Apple iMac A1224 20" Desktop - MA876LL/A (August, 2007) for sale online | eBay
Amazon.com: Genuine Graphics Video Card GPU Replacement for Apple iMac Core 2 Duo 2.0 20-Inch A1224 MA876LL Desktop Computer, ATI Mobility Radeon HD 2400 XT GDDR3 128MB, MXM GPU VGA Board Repair