Used Dell OptiPlex 755 Tower Desktop PC with Intel Core 2 Duo Processor, 8GB Memory, 500GB Hard Drive and Windows 7 Pro (Monitor Not Included) - Walmart.com
Dell Optiplex 755 SFF Intel Core 2 Duo or Pentium Dual CPU 4GB DIMM | eBay
Amazon.com: Dell Optiplex , 3.0 Ghz Intel E8400 Cpu, New 4 Gb Memory, 250 Gb Hard Drive, DVD R/w, Windows 7 - (Certified Reconditioned) : Electronics
DELL OPTIPLEX 755 (INTEL CORE 2 DUO E6850 3.0GHZ 3GB 150GB WIN 7) DESKTOP PC | eBay
Restored Dell OptiPlex 755 Tower Desktop PC with Intel Core 2 Duo E7200 Processor, 4GB Memory, 320GB Hard Drive and Windows 10 Home (Monitor Not Included) (Refurbished) - Walmart.com
Dell Optiplex 755 Desktop Computer Tower PC Core 2 Duo 2.13GHz 4GB 1TB Windows 10 Home with Keyboard, Mouse and Wifi
Intel Core 2 Duo 2.00 GHz Used / Refurbished Dell OptiPlex 755 Desktop, Hard Drive Capacity: 160