The i-tec USB 3.0 Metal Gigabit Ethernet adapter allows the user's device to connect directly to a 10/100/1000 Mbps network via USB port. With this adapter, you can easily and elegantly add an extra network card to your computer, laptop, or tablet. The adapter supports the modern USB 3.0 interface as well as fast Gigabit data transfers. These transfers are also possible through the USB 2.0 interface, but optimally for networks designed for faster data transfers. No external power supply is required. The adapter supports a wide range of operating systems, including Windows, Mac OS, and Linux.