Monoprice Select Series DisplayPort 1.2 Cable, 25ft 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. Displayport 1.2a Compliant: Compliant with the DisplayPort 1.2a specification, this cable is also backwards compatible with DisplayPort 1.1/1.1a. Supporting data speeds up to 21.6Gbps, this cable transmits uncompressed audio and deep color depth twice as fast as the previous specification. Connect a DisplayPort enabled computer to a high definition display or projector Supports up to 4K resolution and 3D video