4XEM Professional Series 6ft Ultra High Speed 8K DisplayPort Cable with bandwidth of 32.4Gbps4XEM 8K Professional series DisplayPort 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 DisplayPort cables. 4XEM Professional series DisplayPort 8K cables support the most advanced video and audio formats and highest quality. Our pro-series DisplayPort 8k cables are 1.4 but are also backwards compatible to DisplayPort 1.0/1.1/1.2/1.3 and version 1.1A4XEM stands behind all our DisplayPort 1.4 8K cables with our unmatched 2-year warranty.