The USB31000S USB 3.0 to Gigabit Ethernet Adapter helps you get connected. It adds a single RJ45 Ethernet port to a USB-enabled computer system, with support for Gigabit network connections at full bandwidth, unlike USB 2.0 adapters. This compact USB 3.0 network adapter is also backwards compatible with older USB 2.0/1.x computer systems (speed limited by USB bus). | Startech USB 3.0 to Gigabit Ethernet NIC Network Adapter (USB31000S)