Hi-Speed USB 2.0 4-Port Hub.
The Hub is self-powered and allows cascading-so that up to 127 USB devices may be connected to a single port.
Features four 480Mbps ports, Transfers your data at up to 480Mbps. Prevents damage to your computer and devices with over-current protection.
Connect up to 2 high-speed devices without a power supply.
ADL PART NUMBER: BKF5U234EF
&lang=en