Amazon.com: DELL OPTIPLEX 390 DT Desktop Computer, Intel Core I3-2100 3.1GHz, 8GB DDR3, 1TB, DVD, WIFI, HDMI, VGA, Bluetooth 4.0, Windows 10 Professional 64 Bit (Renewed) : Electronics
Dell OptiPlex 390 Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 2, 8GB DDR3 RAM, 500GB SATA Hard Drive, Windows 10 Home 64 bit, 19" Screen Refurbished | Walmart Canada
New Original Psu For Dell Optiplex 390 790 990 3010 7010 9010 Power Supply D240es-00 Ac240es-00 H240es-00 Ac240as-01 H240as-00 - Pc Power Supplies - AliExpress
DELL Optiplex 390 SFF Refurbished Desktop PC Intel Core i3 Windows 10 – epifanni