From the leader in desktop productivity solutions kensingtons sd4000 universal docking station enables 4k ultra hd even when your laptop doesnt have a 4k graphics card as well as serving as a central hub and charger for all your peripherals the dock provides ultra hd 3840x2160 to a single 4k monitor or tv via an hdmi or displayport connection when using two additional monitors instead of one the dock provides 2k resolution to each screen 2048x1152 there are three available usb 30 p