Dell Optiplex  Computer Windows 7 Pro Intel Core 2 DUO 3.0 Ghz - New 4GB RAM - 320GB HDD-(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. Intel Core 2 DUO 3.0 Ghz - New 4GB RAM - 320GB HDD Windows 7 Pro