Dell Optiplex 990 Desktop SFF- Intel i7 3.1GHz , 1TB HDD, 16GB DDR3, Windows 7 Professional 64-bit (Certified Refurbished) *NEW* 1TB Hard Drive 7200 RPM with 2 Year Manufacturer Warranty. Ports: (10) USB 2.0 (4 Front, 6 Back), (1) Serial, (1) VGA, (1) Display Port, (1) RJ-45 (Ethernet), (2) PS/2, (2) Line-in (Stereo/Microphone), (2) Line-out (Headphone/Speaker) What's in The Box? Refurbished Dell Optiplex 990 Computer with Power Cable, New USB Keyboard & Mouse. Software Installed? New Installation of Windows 10 Pro 64-bit.