Dell Optiplex,1.8 GHz Core 2 Duo, New 3GB Memory, 160 GB SATA Hard Drive, DVD-CDRW, Windows 7 Pro-(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! 1.8 GHz Core 2 Duo CPU. New 3GB Memory! 160 GB SATA Hard Drive.DVD-CDRW! Windows 7 Pro.New Power Cord!