Adesso 19-Inch, 1U Rackmount Keyboard Drawer with Built-in Touchpad PS/2 Keyboard (ACK-730PB-MRP) Chassis body material : Adopts heavy duty steel and with Hand hold This product can matched industrial standard 19 inch cabinet and rack. Chassis body material : Adopts heavy duty steel and with Hand hold Openings for wires and cable length is 6 feet Operating system is windows 2000 / XP / Vista / 7 / 8 / 10