Note: 1. The source USB-C output must support Display Port Alternate (DP Alt} mode or Thunderbolt 3 technology for the dock to work properly. Please verify with your computer manufacturer. The computer and power adapter must support PD 3.0 specification, otherwise the docking will reset when power delivery Is disconnected 3. Mac OSes do not support MST, the sack becomes a splutter displaying the same content on both displays 4.