Dell OptiPlex - Dual Core 1.8GHz - New 2GB Memory - 160GB - DVD&plusmn;RW- Windows 7 Professional - (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 OptiPlex - Dual Core 1.8 GHz - New 2GB Memory - 160GB. Windows 7 Professional New Power Cord.