Dell UltraSharp 38" 1600p Curved Monitor - Manual (Page 17)

About your monitor
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*DisplayPort and USB Type-C (Alternate mode with DisplayPort 1.4): HBR3/
DisplayPort 1.4/DP audio is supported.
Resolution specifications
Model U3824DW
Horizontal scan range 30 kHz to 100 kHz (automatic)
Vertical scan range 56 Hz to 76 Hz (automatic)
Maximum preset resolution 3840 x 1600 at 60 Hz
Supported video modes
Model U3824DW
Video display capabilities (HDMI &
DisplayPort & USB Type-C
alternate mode) 480p, 576p, 720p, 1080i*, 1080p
*Supported by HDMI input only.
Security Security-lock slot (cable lock sold separately)