Add gigabit ethernet network connectivity to a laptop or desktop through a usb 30 portr r full gigabit bandwidth support through a usb 30 host connectionr r r highly portable design with no need for an external power adapterr r r added flexibility near the rj45 port through dongle style design r r the usb31000sw usb 30 to gigabit ethernet adapter adds a single rj45 ethernet port to a usb enabled computer system with support for gigabit network connections at full bandwidth when used with a