USB 3.0 Fast Transmission SabertoothPro's Ethernet Adapter supports 10/100/1000 Mbps at fast USB 3.0 speeds and is also backward compatible with both USB 2.0 and USB 1.1. Note - To reach 1Gbps, make sure to use CAT6 & up Ethernet cables. The speed of USB 2.0 will be limited to 10/100M. Plug & Play USB to Ethernet adapter serves as the bridge between RJ45 Ethernet cable and your laptop with USB 3.0 and does not require any driver or software installed. Choose Sabertooth Tech Group and enjoy your