This 3 foot mini displayport to hdmi adapter cable offers a single cable connection from your mdp equipped macbook or ultrabook laptop to an hdmi display or projector the passive adapter supports video resolutions up to ultra hd 4k and is thunderbolt compatible when connected directly to a supporting displayport over thunderbolt io port this adapter cable ensures you can maintain an astonishing picture quality four times the resolution of 1080p when converting mini displayport to hdmi the adapte