8K HDMI 2.1 Cable Supports resolutions up to 7680 x 4320, with refresh rates of 8K60Hz and 4K120Hz. Fully backward compatible with HDMI 2.0. Universal Compatibility Fully backward compatible with all HDMI versions, including HDMI 1.3, 1.4, 2.0, 2.0a, and 2.1.
