Dell OptiPlex /Core 2 Duo E8400 3.00 GHz/New 8GB Memory/1TB HDD/DVD-Combo/WINDOWS 7 (Certified Refurbished) 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. Intel Core 2 Duo E8400 3.00GHz - NEW 8GB Memory - 1TB Hard Drive Windows 7 Professional