Add Gigabit Ethernet connectivity and two USB 3.0 ports to your laptop or tablet through a single USB port. Add powerful network access to your tablet, Ultrabook™ or laptop, even if it doesn't have a built-in RJ45 port. This USB 3.0 to Gigabit network adapter gives you wired network access - and provides two USB 3.0 pass-through ports allowing you to connect additional USB devices. Powerful Gigabit network connections Ideal for office or home use, the USB 3.0 network adapter supports full Gigabit bandwidth by harnessing the performance of USB 3.0 (5 Gbps). You can quickly access very large files over a Gigabit network, saving valuable time every day. Native driver support makes installation easy Get up and running quickly. Simply plug this Ethernet cable adapter into the USB port on your laptop and connect to your network. The network adapter chipset provides native driver support, so you don't have to worry about installing additional software. Connect your USB devices to the additional ports Enhance the capabilities of your laptop or tablet by connecting USB devices like printers or external solid-state drive or hard drive enclosures using the two USB 3.0 ports. You can also connect your mouse, keyboard, flash drive or other low-power USB devices, with no extra power required. Compact and lightweight for perfect portability Compact and portable, this USB Gigabit network adapter is the ideal desktop network adapter or laptop accessory. You don't have to carry a power adapter with you to use it, because it's powered directly from the host USB port. The USB31000S2H is backed by a StarTech.com 2-year warranty and free lifetime technical support.