Dell Optiplex  Intel Core 2 Duo 2.6 GHz Dual Core, New 6144MB RAM, 250GB HDD, DVD Burner, Windows 7 Professional 64 Bit Computer-(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! DVD Burner! New Keyboard and Mouse! New Power Cord.New 6144MB RAM.