Dell U2711 Preset Display Modes , Electrical , Physical Characteristics

Video display capabilities (Component playback)
480i/480p/576i/576p/720p/1080i/1080p
Preset Display Modes
The following table lists the preset modes for which Dell guarantees image size and centering:
Display Mode
Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock (MHz)
Sync Polarity (Horizontal/Vertical)
VGA, 720 x 400
31.5
70.1
28.3
-/+
VGA, 640 x 480
31.5
59.9
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x800
49.70
59.81
83.50
-/+
VESA, 1280 x 1024
64.0
60.0
108.0
+/+
VESA, 1280 x 1024
80.0
75.0
135.0
+/+
VESA,1600x1200
75.0
60.0
162.0
+/+
VESA,1680x1050
65.29
59.95
146.25
-/+
VESA, 2560 x 1440
88.79
59.96
241.5
+/-
Electrical
The following table lists the electrical specification:
Video input signals
Analog RGB, 0.7 Volts +/-5%,75ohminputimpedance
Digital DVI-D TMDS, 600mV for each differential line, 50 ohm input impedance
HDMI, 600mV for each differential line, 100 ohm input impedance per differential pair
DisplayPort, 600mV for each differential line, 100 ohm input impedance per differential pair
Composite, 1 volt(p-p), 75 ohm input impedance
Component: Y, Pb, Pr are all 0.5~1volt(p-p), 75 ohm input impedance
Synchronization input signals
separate horizontal and vertical,
3.3V CMOS or 5V TTL level, positive or negative sync.
SOG (Sync on green)
AC input voltage/frequency/current
100 to 240 VAC/50 or 60 Hz + 3 Hz/2.5A (Max.)
Inrush current
120V: 40A (Max.)
240V: 80A (Max.)
Physical Characteristics
The following table lists the physical characteristics:
Connector type
lD-sub: blue connector
lDVI-D: white connector
lDisplayPort: black connector
lComposite
lComponent
lHDMI
Signal cable type
lD-sub: Detachable, Analog, 15pin, shipped attached to the monitor
lDVI-D: Detachable, Digital, 24pin, shipped detached from the monitor
lDisplayPort: Detachable, Digital, 20pin, shipped detached from the monitor
lComposite
lComponent
lHDMI
NOTE: The composite, component and HDMI cables are not included with the monitor.
Dimensions (with stand)

Height (Compressed)
427.83 mm (16.84 inches)
Height (Extended)
517.83 mm (20.39 inches)