The Dyconn HUBC4B 5 Port USB 3.0 Power Hub is an outstanding computer accessory that enables you to expand the use of one USB 3.0 port into 4 ports with an additional 1 port of 5 Amp Charging for a total of 5 ports (1 for charging only). It is a great USB 3.0 expansive tool, which provides the fast data transfer rate of up to 5Gbps and 900mAh bus power output per data port. The Charging ports are 5A/5V DC with smart sense IC technology for the most efficient and fastest charging available. For it's true Industrial qualities included with the HUB are the optional scree mounting brackets and skid pads used to stabilize the unit in various environments including rack mounts. Its portable, compact and sleek design provides easy mobility and a discrete desktop footprint. The 10 Port USB 3.0 Power Hub supports simultaneous port usage, allowing the usage of all ports at one time. With its independent power supply, built in power switch and internal current protection, the Dyconn 10 Port USB 3.0 Power Hub provides unmatched security and stability to both the Hub and all connected devices.