Amazon.com: Dell Optiplex, Intel Core 2 Duo 3.0 GHz 4GB Memory/160GB HDD, Windows 10 Professional (Renewed) : Electronics
HP 7900 Elite Desktop Computer Intel Core 2 Duo 3.0GHz 8GB RAM 1TB HDD Windows 10 Professional Includes Bluetooth,WIFI,19in LCD and Keyboard and Mouse - Walmart.com
HP Compaq 6000 Pro Desktop Intel Core 2 Duo 3.0GHz 4GB RAM 320GB HDD DVD Windows 10 Professional 19" Monitor, Keyboard, Mouse, Speaker Bundle WiFi (Refurbished) - Walmart.com
Intel Core 2 Duo E8400 3GHz Dual-Core (BX80570E8400) Processor for sale online | eBay