HP Compaq Microtower with Intel Core 2 Duo@3.00GHz, 4GB RAM, 250GB HD (Certified Reconditioned) Intel Core 2 Duo E7600 Processor w/ 3.06 GHz speed 4 GB DDR3 RAM 250 GB Hard Drive Capacity Includes Keyboard, Mouse, and Cables - Windows 7 Professional This certified reconditioned product is tested and certified by the manufacturer or by a third-party seller to look and work like new, with some signs of wear. The reconditioning process includes functionality testing, inspection and repackaging.