Comprehensive's Specialist Series™ DisplayPort 1.2a cable is a performance digital AV cable delivering up to 4096 x 2160@ 60Hz resolution with a maximum HBR2 bandwidth and 21.6Gbps speed. - The DisplayPort 4K 1.2a cables are backward compatible with DP 1.2 and 1.1 versions making them versatile and easy to use with various displays and devices.: