FeaturesCompatible with Gigabit Ethernet networks and powered via USB for versatility and portability as an add-on or replacementUSB to RJ45 adapter supports Gigabit networking over USB 3.0Backed by a StarTech.com 2-year warranty and free lifetime technical supportUses built-in Checksum and Large Send Offload support and Jumbo Frames, the Gigabit USB adapter helps conserve system resourcesIEEE 802.3, 802.3u and 802.3ab (10BASE-T, 100BASE-TX, and 1000BASE-T) compatibleThe Startech USB 3.0 to Gigabit Ethernet NIC Network Adapter 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 backward compatible with older USB 2.0/1.x computer systems (speed limited by USB bus), making it the ideal portable replacement network adapter or laptop accessory. Plus, with support for features such as Jumbo Frames, VLAN tagging and Wake on LAN (WOL), the adapter offers a versatile Gigabit network solution for home and business users alike.