Startech com usb 3 0 to dual gigabit lan adaptor with usb port startech com usb32000spt p the startech com usb32000spt usb 3 0 to dual port gigabit ethernet adaptor lets you add 2 x gigabit ethernet ports to your laptop or ultrabook computer through a single usb 3 0 port it features an integrated usb 3 0 pass through port that keeps your usb port available for use with external storage or other peripherals each rj45 port supports 10 100 1000 mbps ethernet and is fully compatible with ieee