Z240 E3 1240 1tb 8g Win7-10

HP Smart Buy Z240 Tower Workstation; 280W 90% efficient Chassis Intel Xeon E3-1240v5 3.5 8M GT0 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 NVIDIA Quadro K620 2GB 1st GFX Windows 10 Pro 64 Downgrade to Windows 7 Pro 64 Windows 7 Professional 64 Limited 3 years parts, 3 years labor, and 3 years onsite service (3/3/3) standard warranty.