Dell OptiPlex, Pentium D 2800MHz, 80Gig Serial ATA HDD, New 2048mb Memory, Genuine Windows 7 Professional x64-(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! Featuring Intel's Super Fast and Powerful 2.8GHz Pentium D Dual Core Processor! Extra Large 80GB 7200 RPM SATA Hard Drive for Large Storage, CDRW/DVD Drive, Write CD's for DATA/MUSIC, Watch DVD Movies! New 2GB Memory!