Startech.com StarTech USB 3.0 to Gigabit Ethernet NIC Adapter with USB Port, White USB3

The USB31000SPTW USB 3.0 to Gigabit Ethernet Adapter lets you add a Gigabit network port to your MacBook or Ultrabook computer through a USB 3.0 port and features an integrated USB 3.0 pass-through port that keeps your USB port available for use with other peripherals. The RJ45 port supports 10/100/1000Mbps Ethernet and is fully compatible with IEEE 802.3i/u/ab standards.• Gigabit Ethernet port through a USB 3.0 / 2.0 connection• Integrated USB 3.0 pass-through port• IEEE 802.3, 802.3u and 802.3ab (10BASE-T, 100BASE-TX and 1000BASE-T) compatible• Crossover Detection & Auto-Correction (Auto MDIX)• IEEE 802.1Q VLAN Tagging support• Up to 4K Jumbo Frame support• Supports Checksum Offload (IPv4, IPv6, TCP, UDP) and Large Send Offload• Compact, lightweight design for maximum portabilityAn ideal replacement LAN adapter or laptop accessory, this compact USB 3.0 NIC leverages the 5 Gbps speed of USB 3.0 to provide full gigabit bandwidth and also offers backward compatibility with USB 2.0 systems (speed limited by USB bus).The adapter supports features such as IPv4/IPv6 packet Checksum Offload Engine (COE) and TCP large sendoff load to reduce the load on your CPU. Jumbo Frames, full-duplex operation with 802.3x flow control and VLAN tagging are also supported, making this an efficient and full-featured USB network adapter. Backed by a StarTech 2-year warranty and free lifetime technical support. Applications • Add Gigabit Ethernet capabilities to a desktop or laptop• Replacement for a failed built-in Gigabit Ethernet port on a laptop Advantage • Full Gigabit bandwidth support through a USB 3.0 host connection• Conserve available USB 3.0 ports with USB pass-through• Take the adapter anywhere with a portable, USB-powered design