Dell ST2420L - Resolution and Supported Modes

Pixel pitch 0.277 mm
Viewing angle 160° (vertical) typical, 170° (horizontal) typical
Luminance output 250 CD/m² (typical)
Contrast Ratio 1,000:1 (typical)
Dynamic Contrast Ratio
ST2420L: 8,000,000 to 1*
ST2421L: 7,000,000 to 1*
Faceplate coating Antiglare with hard-coating 3H
Backlight LED light bar system
Response Time 5 ms typical
Color Depth 16.7 mil colors
Color Gamut 88 %**
* Based on estimation
** ST2420L/ST2421L Color Gamut (Typical) is based on CIE1976 (88 %) and CIE1931 (72 %).
Resolution
Model ST2420L/ST2421L
Horizontal scan range 30 kHz to 83 kHz (automatic)
Vertical scan range 56 Hz to 76 Hz (automatic)
Maximum preset resolution 1920 x 1080 at 60 Hz
Video Supported Modes
Model ST2420L/ST2421L
Video display capabilities (HDMI playback) 480i/480p/576i/576p/720p/1080i/1080p
Preset Display Modes
ST2420L/ST2421L
Display Mode Horizontal Frequency
(kHz)
Vertical Frequency (Hz) Pixel Clock
(MHz)
Sync Polarity (Horizontal/Vertical)
VGA, 720 x 400 31.469 70.087 28.3 -/+