Dell Optiplex WIFI Ready (3.0 Pentium D Processor, New 4GB Memory, 160GB SATA Hard Drive, DVD/CDRW, Windows 10 Home x64 (Certified Refurbished) 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! Super Fast 3.0 x 2 Pentium D CPU - NEW 4GB Memory - 160gb Hard Drive. DVD/CDRW, SATA Recorder, Write and record to CD's, Watch DVD Movies - NEW WIFI Adapter! Windows 10 Home x64.