USB 3.0 Ethernet AdapterUSB 3.0 male A to rj45 female ethernet adapter enables you to add a network interface to your computer via USB. Ideal solution for replacing a failed network card or upgrading the bandwidth of an older computer. Backward compatible with USB 2.0/1.1 Speed Up to 5GbpsFull 10/100/1000Mbps gigabit ethernet performance makes this usb ethernet adapter faster and more reliable than most wireless connections