Dell OptiPlex - Intel Core 2 Duo 2.00Ghz, New 4GB RAM, 160GB HDD, Windows 7 Professional-New Keyboard and Mouse (Certified Reconditioned) 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! Processor Intel Core 2 Duo 2.00Ghz, New 4GB RAM, 160GB HDD, Windows 7 Professional, NEW USB keyboard and mouse.New Power Cord!