Twice as Fast: DisplayPort 1.2a is up to twice as fast as DisplayPort 1.1a, allowing for PC and HDTV resolutions up to 4K (3840x2160p), as well as 3D support. The Select Series DisplayPort/ Mini DisplayPort to DisplayPort 1.2a Cable allows you to connect your DisplayPort 1.2 enabled computer to a monitor or other DisplayPort ready device.