SIIG's SuperSpeed USB 3.0 Gigabit LAN Adapter (USB to ethernet) instantly adds a Gigabit LAN port (RJ45) to your laptop or desktop computer through USB 3.0 connection. It delivers high performance packet transfer rate of up to 1000 Mb/s over your Ethernet network to support high speed, large files transferring. Built-in data diagnostic LEDs allow you to monitor your network connection at a glance. Compact and light-weight design provides instant wired Ethernet connection while on-the-go. It is a perfect LAN accessory to cost-effectively enhance your existing computer's networking capability