The Club 3D Ultra High Speed HDMI 2. 1 Cable is build to handle the highest quality video- and audio signals. HDMI 2. 1 has an increased Bandwidth of 48Gbps. The increase in maximum bandwidth compared to previous versions is achieved by increasing both the Bitrate of the data channels [from 6Gbps to 12Gbps] and the number of channels [from 3 to 4]. This allows support for resolutions up to supports 10K at 120Hz New feature included in the 2. 1 Specification is Display Stream Compression[DSC] 1. 2 , this is used for video formats higher than 8K with 4: 2: 0.