Dell OptiPlex - Intel Core 3.0GHz 2GB 250GB CDRW/DVD, 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. Windows 7 Professional! Intel 3.0GHz CPU, New 2GB Ram Memory, 250GB SATA Hard Drive. CDRW/DVD Optical Drive!