DELL Optiplex 990 Desk Top Computer Intel Core i5-2400 CPU @ 3.10 GHz Installed Ram 8 GB 10 USB Ports 1 Display Port (No HDMI port) 64 Bit System Windows 10, Version 21H2, Installed New 500 GB Hard Drive, Installed This is a new hard drive. The system has been tested and operates very well. Includes: DELL OPTIPLEX 990 Tower. Bonus: Keyboard, Wired Mouse, and Bluetooth Mouse included.