Users Guide

10 │ About your monitor
Resolution specifications
Model E2221HN E2421HN
Horizontal scan range 30 kHz to 83 kHz (automatic) 30 kHz to 83 kHz (automatic)
Vertical scan range 56 Hz to 76 Hz (automatic) 56 Hz to 76 Hz (automatic)
Maximum preset resolution
1920 x 1080 @ 60 Hz 1920 x 1080 @ 60 Hz
Preset display modes
Display mode Horizontal
frequency
(kHz)
Vertical
frequency
(Hz)
Pixel clock
(MHz)
Sync polarity
(Horizontal/Vertical)
VESA, 720 x 400 31.5 70.1 28.3 -/+
VESA, 640 x 480 31.5 60.0 25.2 -/-
VESA, 640 x 480 37.5 75.0 31.5 -/-
VESA, 800 x 600 37.9 60.3 40.0 +/+
VESA, 800 x 600 46.9 75.0 49.5 +/+
VESA, 1024 x 768 48.4 60.0 65.0 -/-
VESA, 1024 x 768 60.0 75.0 78.8 +/+
VESA, 1152 x 864 67.5 75.0 108.0 +/+
VESA, 1280 x1024 64.0 60.0 108.0 +/+
VESA, 1280 x1024 80.0 75.0 135.0 +/+
VESA, 1600 x 900 60.0 60.0 108.0 +/+
VESA, 1920 x1080 67.5 60.0 148.5 +/+