Dell OptiPlex /Core 2 Duo E8400 @ 3.00 GHz/ New 2GB DDR2 / 80GB HDD/DVD-RW/WINDOWS 7 PRO 64 BIT-(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 7 Professional 64bit. New Power Cord. New 2GB DDR2.