Important Notes: For this USB C to DisplayPort adapter, 1)USB-C port must support DisplayPort Alt Mode (DP Alt Mode, not all USB-C ports/systems support Alt Mode functionality. 2) MST mode (Extended displays) only for Windows OS, Mac OS only support SST mode and will only mirror the dual displays *To achieve the max resolution of 4K@60Hz for dual monitors, please note the dual displayport monitors need to support DSC and 4K 60Hz and the computer's DP output port is DP 1.4 Triple Displays: Connect this USB C to dual displayport adapter via a single USB-C or thunderbolt 3 port on your laptop, to mirror or extend two additional monitors. Dual 4K@60Hz: This USB Type C to multi display MST hub, convenient to drive dual 4K@60Hz, 4K@30Hz or dual 1080p@60Hz DisplayPort monitors using a USB-C DP Alt-Mode port. * To get 2 4K60Hz displays, require your USB-C port support DP Alt Mode 1.4, and monitors must support corresponding resolution. Widely Compatibility: This USB C to DisplayPort