The usb31gehd usb 30 mini docking station adapter lets you add gigabit ethernet and hdmireg connection ports to your ultrabooktrade laptop or desktop through a single usb 30 host giving you two connectivity ports that arenrsquot always available on modern mobile computers providing full gigabit bandwidth for faster network connections this adapter leverages the 5 gbps capabilities of the usb 30 interface to support 101001000 mbps ethernet and is fully compatible with ieee 8023u