Dell Optiplex 780 Windows 10 Pro Desktop PC Tower Core 2 Duo 3.0GHz Processor 8GB RAM 500GB Hard Drive DVD-RW Wifi with a 22" LCD-Used Computer - Walmart.com
Amazon.com: Dell Optiplex 780 Desktop Business Computer PC (Intel Dual-Core 2.93GHz Processor, 4GB DDR3 Memory, 250GB HDD, DVD, Windows 10) - (Renewed) : Electronics
Refurbished: Dell OptiPlex 780 USFF Desktop Intel Core 2 Duo E8400 3.0GHz 4GB DDR3 RAM 250 GB HD DVD-RW WiFi Bluetooth Microsoft Windows 7 - Newegg.com