The USB31000SPTW USB 3.0 to Gigabit Ethernet Adapter lets you add a Gigabit network port to your Macbook&reg, or Ultrabook&trade, computer through a USB 3.0 port, and features an integrated USB 3.0 passthrough port that keeps your USB port available for use with other peripherals. The RJ45 port supports 10/100/1000 Mbps Ethernet and is fully compatible with IEEE 802.3i/u/ab standards.<br /><br /> An 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).<br /><br /> The adapter supports features such as IPv4/IPv6 packet Checksum Offload Engine (COE) and TCP large send offload 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. <br /><br />Backed by a StarTech.com 2-year warranty and free lifetime technical support. <p><a id="gfk-spex-minisite" rel="nofollow" href="javascript:void(0)" onclick="javascript:window.open('//content.etilize.com/mini-site/en_us/1025250375.html', '_blank', 'height=800, width=780, resizable=yes, scrollbars=yes, toolbar=no, menubar=no, location=no, directories=no, status=no'), return false, ">More from the Manufacturer</a></p>

The USB31000SPTW USB 3.0 to Gigabit Ethernet Adapter lets you add a Gigabit network port to your Macbook&reg, or Ultrabook&trade, computer through a USB 3.0 port, and features an integrated USB 3.0 passthrough port that keeps your USB port available for use with other peripherals. The RJ45 port supports 10/100/1000 Mbps Ethernet and is fully compatible with IEEE 802.3i/u/ab standards.<br /><br /> An 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).<br /><br /> The adapter supports features such as IPv4/IPv6 packet Checksum Offload Engine (COE) and TCP large send offload 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. <br /><br />Backed by a StarTech.com 2-year warranty and free lifetime technical support. <p><a id="gfk-spex-minisite" rel="nofollow" href="javascript:void(0)" onclick="javascript:window.open('//content.etilize.com/mini-site/en_us/1025250375.html', '_blank', 'height=800, width=780, resizable=yes, scrollbars=yes, toolbar=no, menubar=no, location=no, directories=no, status=no'), return false, ">More from the Manufacturer</a></p>