Twice as Fast: DisplayPort 1.2a is up to twice as fast as DisplayPort 1.1, transmitting both audio and video from computers or tablets to an HDTV display. It supports video resolutions up to 3840 x 2160 4K UHD, plus flawless audio pass-through for uncompressed digital audio with 7.1, 5.1, or 2 channels.
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.
HDTV 4K: Broad compatibility with computers, phones, and tablets with DisplayPort or Mini DisplayPort video output and high-resolution HDMI® enabled displays.