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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
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Solved: Is the Dell Optiplex 780 mt with the Intel Core 2 Quad Q9550 still good in 2020? - Page 2 - Dell Community
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Refurbished: Dell Optiplex 780 Desktop - Intel Core 2 Duo E8400 3.0Ghz, 4GB DDR3 RAM, 250GB Hard Drive, DVD - Windows 7 Professional 64 Bit - Newegg.com