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Preset display modes
Display mode
VESA, 640 x 480
VESA, 640 x 480
VESA, 720 x 400
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1152 x 864
VESA, 1280 x 1024
VESA, 1280 x 1024
VESA, 1920 x 1080
VESA, 1920 x 1080
VESA, 1920 x 1080
NOTE: This monitor supports AMD FreeSync™ Premium.
Electrical specifications
Model
Video input signals
AC input voltage/
frequency/current
Inrush current
│
14
About your monitor
Horizontal
Vertical
frequency
frequency
(kHz)
31.5
37.5
31.5
37.9
46.9
48.4
60.0
67.5
64.0
80.0
67.5
137.3
162.3
S2421HGF
HDMI 1.4/DisplayPort 1.2, 600 mV for each differential
line, 100 Ω input impedance per differential pair
100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1 A
(typical)
• 120 V: 30 A (Max.) at 0°C (cold start)
• 240 V: 60 A (Max.) at 0°C (cold start)
Pixel
clock
(Hz)
(MHz)
59.9
25.2
75.0
31.5
70.1
28.3
60.3
40.0
75.0
49.5
60.0
65.0
75.0
78.8
75.0
108.0
60.0
108.0
75.0
135.0
60.0
148.5
120.0
285.5
143.9
337.5
Sync
polarity
(Horizontal
/Vertical)
-/-
-/-
-/+
+/+
+/+
-/-
+/+
+/+
+/+
+/+
+/+
+/-
+/-
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