Startechcom usb 30 to gigabit ethernet adaptors startechcom usb31000nds the usb31000nds usb 30 to gigabit ethernet network adaptor from startechcom 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 usb 30 host connection unlike usb 20 adaptorsthis compact usb 30 nic works with 101001000 mbps networks and offers backward compatibility with usb 201x computer systems speed limited by