INTEGRATED 3 PORT USB HUB: 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 with this USB splitter hub. FAST SPEEDS: This USB to NIC adapter provides three USB 3.0 hub ports, with support for up to 5 Gbps. Ethernet dongle is also backward compatible with USB 2.0 and 1.x devices. MAXIMUM PORTABILITY: Designed with an aluminum casing, this compact and lightweight USB to RJ45 converter fits into your carrying case for perfect portability. Plus, it comes equipped with an built-in USB 3.0 host connection cable. MULTI-PLATFORM COMPATIBILITY: For a wide range of system support, this USB port expander with network / LAN adapter works with your Windows, Mac and Chrome operating systems. RELIABLE SUPPORT: Backed by a StarTech.com 2-year warranty, this USB 3.0 hub with Gigabit Ethernet adapter has free lifetime technical support.