Dell Optiplex Windows 10 Home, Pentium Dual Core CPU E5400 @ 2.70 GHz, New 4 GB Memory, 160 GB HDD, DVD/CD ROM - (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! Windows 10 Home. New Power Cord. Pentium Dual Core CPU E5400 @ 2.70 GHz - New 4 GB Memory - 160 GB HDD. DVD/CD Multi-Writer!