:OptiPlex 9020 MT: Intel Core i5-4690 (3.5GHz 6MB) 8GB (2 x 4GB) 1600MHz DDR3 500GB 2.5 Inch(5400RPM) 16 x DVD +/- RW Intel Intergrated Graphics USB Keyboard and Mouse Intel vProEnabled Windows 7 Professional (64 BIT WIN 8.1 Licence Media) 3 Yr NBD Category :Desktop Computers: Manufacturer :Dell: Sub Category :Dell Optiplex Series