The usb3smdockhv usb 30 laptop mini docking station lets you transform your ultrabook or laptop into a mobile workstation by adding hdmi or vga video output a usb 30 hub port and a gigabit ethernet rj45 port all through a single usb 30 host connection a travel friendly solution that can help you overcome the connection port limitations of modern mobile computers now you can avoid the nuisance of carrying multiple adapters by consolidating four essential connection ports into one convenient dev