StarTech.com USB 3.0 to Gigabit Ethernet Adapter NIC w/ USB Port – Black – Add a Gigabit Ethernet port and a USB 3.0 pass-through port to your laptop through a single USB 3.0 port – USB 3.0 to Gigabit Ethernet Adapter w/ USB Port (Black) – An ideal laptop accessory for Surface Pro 4, Surface Pro 3 or other Surface products LAN ADAPTER – EXTERNAL NETWORK CARD
The USB31000SPTB USB 3.0 to Gigabit Ethernet Adapter lets you add a Gigabit network port to your laptop 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 10/100/1000 Mbps Ethernet and is fully compatible with IEEE 802.3i/u/ab standards. The network adapter is the ideal laptop accessory for your Microsoft Surface Pro 4, Surface Pro 3, Surface 3, Surface Pro 2 or Surface Book. 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). 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.Backed by a StarTech.com 2-year warranty and free lifetime technical support. More from the Manufacturer
Startech USB31000SPTB
Features
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 portability