Connect a dvi display to a mini displayport equipped pc or mac over a short 3 foot distance with a tidy installation blackr r connect a mini displayport source directly to a dvi monitor or projector with a single male male cabler r the mdp2dvimm3b mini displayport to dvi adapter cable lets you directly connect your mini dp video source desktop pc laptop ultrabook etc to a dvi monitor or projector eliminating the expense of having to upgrade to a mini displayport capable monitor