Dell Optiplex 9020 Ultra Small Form Factor Desktop i5 i5-4670S Quad-Core 8gb RAM 320gb Hard Drive DVD +/- RW Drive Windows 7 Professional Processor: Intel Core 4th Generation I5-4670S Processor (3.10GHz Turbo, 6MB, w/ HD Graphics 4600) 8 GB Dual Channel DDR3 at 1600MHz (2x 4GB) Non-ECC, 320 GB SATA Hard Drive (7200 RPM) 8X DVD +/- RW Drive Windows 7 Professional 64 bit 3 years Dell Warranty