2 Displayport + 1 HDMI
For Mac OS:
Mirror Mode: A-A, A-AA, A-AAA, Non-mirror Mode: A-B, A-BB, A-BBB (Mac OS system, the screens of external monitors are the same, no matter they are displayed in mirror mode or extended mode.)
1. DP or HDMI = 4K@60HZ
2. DP1 + HDMI1= 4K@60HZ : 4K@60HZ
3. DP1 + DP2 + HDMI = 4K@60HZ + 4K@60HZ + 4K@60HZ
(Make sure your host laptop support DP 1.4 protocol, otherwise it won't achieve 4k@60HZ)
Note: Mac OS system, the screens of external monitors are the same, no matter they are displayed in mirror mode or extended mode.
For Windows:
Mirror Mode: A-A, A-AA, A-AAA; Extend Mode: A-B, A-BB, A-BC, A-BBB, A-ABC, A-BCD;
1.Single Display DP or HDMI up to 4K 60HZ 3840 x 2160 , while source is DP1.4.
2.Dual Monitors Display up to 4K/30Hz + 1920X1080P/60Hz ( HDMI + DP ).
3.Triple Display (MST) up to 4K/30Hz + 1920X1080P/60Hz + 1920X1080P/60Hz ( HDMI +DP 1+ DP 2 ).
(Make sure your host laptop support DP 1.4 protocol, otherwise it won't achieve 4k@60HZ)
Note: The resolution of monitors will be always consistent with laptop if Mirror Mode under Windows system.