HP Smart Buy Z440 Workstation; 700W 90% Efficient Chassis; Intel Xeon E5-1650v3 3.5 15M 2133 6C CPU; 1 TB 7200 RPM SATA Hard Drive; 16GB DDR4-2133 (2x8GB) RegRAM; Slim SuperMulti DVDRW; HP USB Keyboard/USB Optical Mouse; NVIDIA Quadro K2200 4GB graphics; Windows 7 Professional 64 installed with Windows 8.1 Professional License; Limited 3 years parts, 3 years labor, and 3 years onsite service (3/3/3) standard warranty.