4XEM 8K HDMI cables support higher resolutions and faster refresh rates including 8k UHD (7680x4320@60Hz) Connect all your high quality 8K audio and video devices with the 4XEM 8K Pro Series HDMI cables. The best 8K HDMI cable pro series fully support band widths up to 48Gbps. 4XEM HDMI for 8K cables support the most advanced video and audio formats and highest quality,You will really feel like you are right in the action! 4XEM stands behind all of our HDMI 2.1 8K cables with our unmatched 2 year warranty.