Dell UltraSharp 38" 1600p Curved Monitor - Manual (Page 41)

Setting up the monitor
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Connecting the DisplayPort (DisplayPort to DisplayPort) cable
Connecting the HDMI cable
Connecting the USB Type-C cable (USB-C to USB-C)
NOTE: Use the USB Type-C cable shipped with your monitor only.
• This port supports DisplayPort Alternate Mode (DP1.4 standard only).
• The USB Type-C power delivery compliant port (PD Version 3.1) delivers up to
90 W of power.
• If your notebook requires more than 90 W to operate and the battery is
drained, it may not be powered up or charged with the USB PD port of this
monitor.