Dell Optiplex, USB WIFI, Intel Core 2 Quad 2.4GHz, New 4GB Memory, 1TB 7200 RPM HDD, DVD/CD RW, Windows 10 Professional x64-(Certified Reconditioned) This Certified Refurbishe product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box. Only Select sellers who maintain a high performance bar may offer Certified Refurbishe products on Amazon.com. New USB WIFI, Intel Core 2 Quad 2.4GHz, New 4GB Memory, 1TB 7200 RPM HDD, DVD/CD RW. Windows 10 Professional x64. New Keyboard and Mouse.