Lenovo ThinkCentre Workstation Computer Intel i7 upto 3.6GHz CPU, 16GB Ram, NEW 1TB HDD, Windows 10 Pro - USB 3.0 (Certified Refurbished) This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new,with limited to no signs of wear.The refurbishing process includes functionality testing,inspection,reconditioning and repackaging.The product ships with all relevant accessories,a minimum 90-day warranty,and may arrive in a generic white or brown box.Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon. *NEW* 1TB HDD with 2.5 Year Warranty from Manufacturer. Software Installed? New Installation of Windows 10 Pro 64-bit. Lenovo ThinkCentre Workstation Computer Intel i7 upto 3.6GHz CPU, 16GB Ram, NEW 1TB HDD(4) USB 3.0 Ports; New USB Mouse, Keyboard & Power Cable.