Dell Optiplex, Windows 7, Powerful Core2Duo 2.8GHz, New 4 GB Memory, 750GB Hard Drive, DVDRW/CDRW-(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! Windows 7. Gigantic 750GB SATA Hard Drive, Crystal Clear VGA Video. New 4GB Ram Memory. Dual Core 2.8GHz Processor.New Power Cord!