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
Restored Dell Optiplex 390-SFF WA1-0327 Desktop PC with Intel Core i7-2600S Processor, 8GB Memory, 1TB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com
Refurbished: Dell Optiplex 390 SFF Desktop PC - Intel Core i3 3.3Ghz (2120)- 4GB RAM - 250GB HDD - DVD-ROM - Windows 10 Home 64-bit installed - KB/Mouse Included - Newegg.com