Dell MH3021P User Manual page 13

7. Connect peripherals to MH3021P
MH3021P can only support one video at one time, on a rst cum rst served basis.
When two video ports are plugged at the same time, the priority will be given to HDMI
video port.
NOTE: When MH3021P is connected to the Thunderbolt or 15W USB-C port power on your
computer, the downstream USB-A and USB–C ports will work as below combination:
2X
3X
NOTE: When MH3021P is connected to the 7.5W USB-C port power on your computer, the
downstream USB-A and USB–C ports will work as below combination:
3X
4K
USB-C
10 Gbps
Video port
USB-C and
USB-A ports
+ 1X
Or
USB-A
10 Gbps
Connect an external display or a projector.
Connect peripherals such as keyboards, mice,
and external storage devices.
4K
USB-A
10 Gbps
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