Dell Optiplex - 2.8 Dual Core, New 4 GB Memory, 160GB Hard Drive, DVDRW/CDRW, Windows 7 - (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. Super Fast Intel 2.8 Dual Core Processor Super Fast Intel 2.8 Dual Core Processor 4GB DDR2 High Performance Super Fast Ram Memory 160GB SATA Hard Drive, Crystal Clear VGA Video with Display Port Option