The mdp2vgamm15b active mini displayport to vga converter cable lets you connect your mini displayport equipped desktop or laptop directly to a vga monitor or projector at a longer distance than a standard length cable would support while saving the expense of additional adapters the adapter cable is compatible with intel thunderbolt when connected directly to a supporting displayport over thunderbolt io port plus because the converter cable supports video resolutions up to 1920x1200