Dell Optiplex Fast Computer Tower Intel Core 2 Duo, Windows 10 Home Edition (Certified Refurbished) Brand New USB Keyboard, USB Mouse and USB WiFi INCLUDED Processor: Intel Core 2 Duo 3.0GHz - New Memory (RAM): 8GB - Hard Drive (HDD): 1TB Operating System: Windows 10 Home Edition 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. Processor: Intel Core 2 Duo 3.0GHz