Dell Optiplex 780 SFF Desktop Business Computer PC (Intel Core 2 Duo Processor 2.93GHz, 8GB DDR3 Memory, 1TB HDD, DVD ROM, Windows 7 Professional) Powered by Intel Core 2 Duo 2.93GHz Processor. New 8GB Memory, 1TB SATA Hard Drive, DVD-ROM. DVDRW, 10/100/1000 Gigabit Ethernet, Integrated Audio, 4 USB 3.0, 6 USB 2.0, Intel HD Graphics 2500. Windows 7 Professional.