HDMI™2.1 Increased Bandwidth to 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 4K at 120Hz or 8K at 60Hz! New feature included in this Specification is Display Stream Compression (DSC) 1.2, this is used for video formats higher than 8K with 4:2:0.

CAC-1371: M/M 1 m / 3.28 ft
CAC-1370: M/M 1.5 m / 4.92 ft
CAC-1372: M/M 2 m / 6.56 ft
CAC-1373: M/M 3 m / 9.84 ft

Also check out the: Premium High Speed HDMI™ Certified Cables CAC-1310 3m/9.84 ft • CAC-1311 1m/3.28 ft