Dell S3423DWC - Resolution Specifications; Supported Video Modes

About your monitor │ 17
Resolution specifications
Model S3423DWC
Horizontal scan range 30 kHz to 160 kHz
Vertical scan range 48 Hz to 100 Hz (HDMI)
48 Hz to 100 Hz (USB-C)
Maximum preset
resolution
3440 x 1440 at 100 Hz (USB-C)
3440 x 1440 at 100 Hz (HDMI)
Supported video modes
Model S3423DWC
Video display capabilities
(HDMI/USB-C)
480p, 480i(HDMI), 576p, 720p, 1080p, 576i(HDMI),
1080i(HDMI)