The USB 3.0 & 2.0 Hub with Gigabit Ethernet and 5V/4A Adapter is a multi-functional versatile product designed to instantly add 6 USB ports (2 USB 3.0 and 4 USB 2.0) and a Gigabit Ethernet port to your USB 3.0 equipped desktop or notebook computer. It delivers ultra-fast USB 3.0 data transfer rates to support high-bandwidth demanding USB 3.0 devices along with lightning fast network connectivity over its single Gigabit Ethernet port. Built-in over-current protection protects both connected devices and the hub itself from unforeseen power surges.