Dell OptiPlex/Intel Core 2 Duo E8400 @ 3.0 GHz/New 4Gb Memory/250 Gb/DVD-RW/WINDOWS 7 PRO 64 BIT-(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 Pro 64-Bit. Intel Core 2 Duo E8400. New 4GB Memory. 250GB HDD. New Power Cord.