With more and more people realizing the productivity gains of working on a 4k monitor kensington has an easy way for you to upgrade your laptop without the need for a 4k graphics card the vu4000d 4k video adapter simply plugs into a usb 30 port on your laptop and goes into the displayport on a monitor projector or tv so you can see your content in ultra hd you can either mirror your laptop screen or extend it for the ultimate in productivity