HIGH PERFORMANCE: 6.6'/2m HDMI 1.4 to Mini DisplayPort 1.2 (mDP) active adapter cable supports 4K 30Hz (3840x2160), 7.1ch Audio, HDCP 1.4 | Backward compatible w/ 1440p and 1080p. DISPLAY COMPATIBILITY: Tested & verified with range of Mini DisplayPort (mini DP) monitors including Dell UltraSharp, Apple LED Cinema Display, LG, HP, Asus, Acer & ViewSonic.