The USB31000NDS USB (Universal Serial Bus) 3.0 to Gigabit Ethernet Network Adapter adds a single RJ45 Ethernet port to a USB (Universal Serial Bus)-enabled computer system, with support for Gigabit network connections at full bandwidth when used with a USB (Universal Serial Bus) 3.0 host connection, unlike USB (Universal Serial Bus) 2.0 adapters. This compact USB (Universal Serial Bus) 3.0 NIC works with 10/100/1000 Mbps networks & offers backward compatibility with USB (Universal Serial Bus) 2.0/1.x computer systems (speed limited by USB (Universal Serial Bus) bus), making it an ideal portable replacement LAN adapter or laptop accessory. Support for features such as Jumbo Frames, VLAN tagging & Wake on LAN (WOL), provides versatile Gigabit network performance for home or business use. Backed by a Star Tech.com 2-year warranty & free lifetime technical support. The Star Tech.com Advantage Full Gigabit bandwidth support through a USB (Universal Serial Bus) 3.0 host connection Highly portable design, with no need for an external power adapter