HP Z200 i7 Workstation Desktop Computer - Core i7 870 2.93GHz up to 3.6GHz - 8GB RAM - WIFI - Dual Monitor - Windows 7 Pro Windows 10 Pro upgrade Option (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, 12 month 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. 12 Month Warranty and Technical support on Computer. New 1TB Hard Drive with 2 Year Warranty From Manufacturer. HP Z200 TOWER Computer, Power Cable, New USB Mouse & Keyboard. New Installation of Windows 7 Pro 64-bit. Nvidia Quadro 410 512MB DDR3; 2 Monitor Support total; DisplayPort, HDMI and DVI: 2560 x 1600.