Windows Display
HOST1 system only drives HDMI1 display. HDMI1 resolution up to 4K/60Hz
HOST2 system drives other ports such as HDMI2/3, DP, USB, PD Ethernet etc.
This laptop docking station allows you to connect external dual monitors, triple or quadruple monitors, with Windows laptop support A to BCDE, and for quadruple display the resolution up to 1080P.)