Connect a dvi display to a mini displayport equipped pc or mac over a short 3 foot distance with a tidy installation whiter r connect a mini displayport source directly to a dvi monitor or projector with a single male male cabler r the mdp2dvimm3w mini displayport to dvi adapter cable lets you directly connect your mini dp video source desktop pc laptop ultrabook etc to a dvi monitor projector eliminating the expense of having to upgrade to a mini displayport capable monitorr r th