Use this cable to extend the reach of your current Mini DisplayPort cable. Mini DisplayPort or Thunderbolt ports can drive resolutions up to 2560 x1600 pixels, and are a common video interface on many of the new Apple® computers. Use this to extend video from a computer with a Mini DisplayPort or Thunderbolt output port to a cable with a Mini DisplayPort connector.Extend a Mini DisplayPort cableCarries a digital audio/video signalBuilt to DisplayPort 1.2 standardsConnects to a Mini DisplayPort or Thunderbolt™ port