Dell Optiplex 7020 Business Desktop Small Form Factor SFF Intel Quad Core i5 i5-4590 8GB RAM 500GB HDD Windows 8.1 Processor: Intel Core 4th Gen i5-4590 Processor (Quad Core, 3.30GHz Turbo, 6MB) 500GB 7200 rpm Hard Drive; 8 GB Dual Channel DDR3 at 1600MHz Non-ECC; 8 GB Dual Channel DDR3 at 1600MHz Non-ECC; Intel Integrated Graphics; Windows 8.1 (64Bit); DVD ROM Drive; Keyboard & Mouse Included