Refurbished: DELL Desktop Computer OptiPlex 390 Intel Core i3 2nd Gen 2100 (3.10GHz) 8GB DDR3 250GB HDD Windows 10 Pro - Newegg.com
Dell OptiPlex 390 MFF (Win 10) – RefurbIT
Amazon.com: Dell Optiplex 390 Business High Performance SFF Desktop Computer PC (Intel Quad-Core i5-2400 up to 3.4GHz, 8GB DDR3, 1TB HDD, HDMI, DVD, Windows 10 Pro 64-bit) (Renewed) : Electronics