Dell Optiplex 780 Small Form Factor Desktop PC with Intel Core 2 Duo Processor, 8GB Memory,
Restored Dell OptiPlex 780-T Desktop PC with Intel Core 2 Duo Processor, 8GB Memory, 2TB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com
Refurbished: Dell OptiPlex 780 DT/Core 2 Duo E8400 @ 3.00 GHz/8GB DDR3/250GB HDD/DVD-RW/No OS - Newegg.com
Szwxzy Cn-02x6yt For Dell Optiplex 780 Dt Desktop Motherboard 02x6yt 2x6yt Ddr3 100% Good Quality - Laptop Motherboard - AliExpress
Dell OptiPlex 780 Mini-Tower: Front Source Tech
Dell OptiPlex 780 USFF with 19" Monitor ,WiFi 650MB/s, 320GB HDD, 4GB RAM, USB Mouse & Keyboard, Windows 10 Pro. Used with 1 year Warranty. - Walmart.com
Dell OptiPlex 780 | The Computer Exchange Shop
Dell Optiplex 780 Windows 10 Pro Computer Tower 2.93GHz 4GB 250GB Dual Video and WIFI