Dell Optiplex 780 Tower Computer Core 2 Duo 3.0 GHz / 8GB RAM /256GB N – RefurbishedPC
Dell Optiplex 780 SFF 500GB Windows XP Pro SP3 32Bit Desktop Computer PC 4GB RAM | eBay
Restored Dell Optiplex 780 Windows 10 Home Premium Desktop PC Tower Core 2 Duo 3.0GHz Processor 8GB RAM 500GB Hard Drive DVD-RW Wifi with a 19" LCD- Computer (Refurbished) - Walmart.com
2GB Memory for Dell Optiplex 780 Ultra Small Form Factor DDR3 PC3-8500U 1066 MHz DIMM RAM (PARTS-QUICK Brand) at Amazon.com
Dell OptiPlex 780 USFF Intel E7600 4GB RAM 250GB HDD DVD-RW B+ | Core 2 Duo | Team Spares