DELL Desktop Computer OptiPlex 3040 (6R79D) Intel Core i3 6th Gen 6100 (3.70GHz) 4 GB DDR3L 500GB HDD Windows 7 Professional 64-Bit (Includes Windows 10 Pro License) - Newegg.com
Refurbished: DELL Desktop PC OptiPlex 320 Pentium D 3.0GHz 2GB 160GB HDD Windows 7 Home Premium 32-Bit (Microsoft Authorized Refurbish) w/1 year warranty - Newegg.com
Windows 10 Dell Optiplex 320 330 360 380 390 SFF Dual DVI Monitor Video Card | eBay
Dell OptiPlex Drivers Download and Update on Windows OS | Driver Talent
Dell OptiPlex 5060 SFF | Dell Refurbished
Support for OptiPlex 320 | Drivers & Downloads | Dell US
Windows 10 512MB Dell Optiplex 320 330 360 SFF Low-Profile Dual VGA Video Card | eBay