Dell OptiPlex/Core 2 Duo E7400 2.80 GHz/NEW 3GB RAM/ 1TB HDD/DVD-RW/WINDOWS 7 Pro-(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. Core 2 Duo E7400 2.80 GHz/NEW 3GB RAM/ 1TB HDD/DVD-RW. WINDOWS 7 PRO.