adds 3 additional usb 30 ports that support transfer speed up to 5gbps 10 times faster than usb 20 adds gigabit ethernet network connectivity that supports transfer speed up to 1000mbps compact and light plug and play enhanced stability and compatibility data transmission data transfer rate 1000 mbits ports amp interfaces host interface usb 30 31 gen 1 type a usb 30 31 gen 1 type a ports quantity 3 ethernet lan rj 45 ports 1 hub interfaces rj 45usb 30 31 gen 1 type a ports qu