Restored Dell Optiplex 780-D WA1-0303 Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 320GB Hard Drive and Windows 10 Home (Monitor Not Included) (Refurbished) - Walmart.com
Dell OptiPlex 780 Small Form Factor Repair - iFixit
DELL Optiplex 780 SFF CORE2DUO 3.0GHz 8GB RAM 250GB HDDDVDRW NO OS | eBay