Dell Optiplex INTEL CORE 2 DUO  2.0 GHZ 4GB DDR2 160GB HDD Windows 7, NEW WIFI ADAPTER-(Certified Reconditioned) 4GB DDR2 memory -160GB 7200rpm SATA hard drive Fast Intel 2.0 GHz Intel Core 2 Duo NEW WIFI Adapter 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.