Next-gen speeds up to 10X faster than gigabit Ethernet for quick file transfers, smooth 4K streaming and low-latency gaming. The latest technology for high-speed transmissions over much-greater distances than copper cables.Stylish aluminum heatsink efficiently expels heat for reliable non-stop operation. Built-in QoS technology automatically boosts bandwidth to important streams or games. With SPF+ Cage, DAC connections are also compatible.