This mst hub lets you connect four monitors to your mini displayporttrade mdp 12 equipped windowsreg tablet laptop or desktop the hub features a newly engineered chipset that was specifically designed and rigorously tested to resolve compatibility issues with the microsoft surfacetrade pro 3 surface pro 3 compatible please note the surface pro 3 only supports the use of three displays in total if more than three external monitors are attached the built in touch screen on you