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