Add 3 external USB 3.0 ports with UASP and a Gigabit Ethernet port to your Ultrabook or laptop through a single USB 3.0 port. The ST3300GU3B Portable USB 3.0 Hub features an integrated GbE port enabling you to expand your laptop connectivity by adding three external USB 3.0 ports as well as a Gigabit network port via a single USB 3.0 connection. This hub is an ideal laptop accessory for your Microsoft Surface Pro 4 Surface Pro 3 Surface BookDell XPS 13 and many other devices.The hub merges Gigabit network support and USB 3.0 hub access into lightweight yet sturdy aluminum casing providing vital connectivity ports that are often limited or nonexistent on modern mobile computers while remaining compact and travel-friendly. Plus with an attached USB 3.0 host connection cable theres no need to carry a separate cable with you so you can tuck the hub neatly into your laptop bag for maximum portability.For faster and more consistent network connections the integrated Ethernet port leverages the 5Gbps capabilities of the USB 3.0 interface to provide wired Gigabit access that is fully compatible with IEEE 802.3/u/ab standards. Plus the GbE port supports Wake-on-LAN (WOL) so you can remotelywake your computer over your network.An ideal laptop accessory this mobile USB hub is great for connecting low-power peripherals like a mouse keyboard or USB flash drive and also includes a universal power adapter for connecting devices such as external hard drive enclosures.Backed by a StarTech.com 2-year warranty and free lifetime technical support.- Only requires a single USB 3.0 port to connect up to three additional USB 3.0 devices plus a Gigabit network- Take the adapter anywhere with a compact portable and travel-friendly design- Sleek and lightweight with black aluminum casing and attached USB 3.0 cable