Dell P2724DEB User Manual page 48

NOTE: Supports the DP MST feature. To make use of this feature, your PC
Graphics Card must be certified to at least DP1.2 with MST option.
NOTE: Remove the rubber plug when using DP out connector.
Connecting the USB cable
USB
Connecting the USB-C Cable (A to C) (Optional)
USB Type-C
NOTE: This connection only data is available and no video. Need another
video connection for display.
NOTE: USB Type-A to Type-C cable is not the standard in-box accessory.
48 | Setting up the monitor
USB
USB
USB