This denotes a cable which is able to output Ultra HD/4K resolutions at frame rates up to 120 frames per second utilising Display Stream Compression, which is a new feature added in the HDMI 2.1 specification.
4K 120Hz DSC
This denotes a cable which is able to output Ultra HD/4K resolutions at frame rates up to 120 frames per second utilising Display Stream Compression, which is a new feature added in the HDMI 2.1 specification.