The usb3sdockhdv dual video universal usb 30 laptop docking station with audio and ethernet lets you add dual hd video outputs as well as audio and gigabit ethernet connections to any notebook or ultrabook computer through a single usb 30 connection this versatile usb 30 docking station features three external monitor outputs hdmi dvi d and vga that can be used in either hdmi and dvi d or hdmi and vga combinations to expand or mirror your desktop each video output supports hd video resolutions