Z240 I7-6700 1tb 8g Win7-10

HP Smart Buy Z240 Tower Workstation; 400W 92% efficient Chassis Intel Core i7-6700 3.4 8M 4C CPU 1TB 7200 RPM SATA Hard Drive N/A 8GB DDR4-2133 non-ECC (1x8GB) RAM 9.5mm Slim SuperMulti DVDRW HP USB Keyboard/USB Optical Mouse Intel HD Graphics 530 Windows 10 Pro 64 Downgrade to Windows 7 Pro 65 Windows 7 Professional 64 Limited 3 years parts, 3 years labor, and 3 years onsite service (3/3/3) standard warranty.