Dell Optiplex  with Intel Pentium Dual Core 2.66GHz, New 4GB Memory,160GB HD, WIFI READY and licensed Windows 10-(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. Dell 745 Core 2 Duo 2.6 GHz Processor What's Inside: 4GB RAM, 160GB Hard Drive, DVW Optical Drive, Operating System: Windows 10 Professional Includes: USB Keyboard and Mouse, WiFi Adapter,