Dell Optiplex Pentium D 2.8ghz, New 2GB Memory, DVD, 80GB, 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. Pentium D 2.8ghz, New 2GB Memory, DVD, 80GB. Windows 7. New Power Cord.