Dimension377 x 283 x 52 mm (WxDxH)Weight1.1kgMaterialPlastic, Steel, RubberNoise20 dB(A)Input Voltage5V (USB Powered)USB PortUSB 2.0 HUB 3EA / USB 2.0 Power 1EAFan Bearing TypeSleeve BearingFan Size200mmFan RPM470 RPM ~ 610 RPM ±10%Fan ControlSupportCompatible SizeUp to 17” Laptop