Dell OptiPlex, Core 2 Duo 2.3GHz, New 4GB Ram, 160GB Hdd- New Wifi Adapter -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 2.3GHz, New 4GB Ram, 160GB Hdd! New Wifi Adapter.New Power Cord! Windows 7 Pro.