DELL UltraSharp U4021QW LED display 100.8 cm (39.7") 4K DCI LCD Silver
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Product Information
DELL UltraSharp U4021QW. Display diagonal: 100.8 cm (39.7"), Display resolution: 5120 x 2160 pixels, HD type: 4K DCI, Display technology: LCD, Response time: 8 ms, Native aspect ratio: 21:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub. VESA mounting, Height adjustment. Product colour: Silver
Product
Name
DELL UltraSharp U4021QW LED display 100.8 cm (39.7") 4K DCI LCD Silver
Category
Brand
Weight & dimensions
Width (with stand)
946.6 mm
Depth (with stand)
248 mm
Height (with stand)
577.3 mm
Weight (with stand)
13.8 kg
Width (without stand)
946.6 mm
Depth (without stand)
59.6 mm
Height (without stand)
419.1 mm
Weight (without stand)
9.5 kg
Bezel width (side)
1.13 cm
Bezel width (top)
1.13 cm
Bezel width (bottom)
1.58 cm
Power
Energy efficiency class (SDR)
G
Energy efficiency class (HDR)
Not available
Energy consumption (SDR) per 1000 hours
41 kWh
Power consumption (typical)
41.3 W
Power consumption (standby)
0.3 W
Power consumption (max)
240 W
Power consumption (off)
0.3 W
Power consumption (PowerSave)
44.81 W
AC input voltage
100 - 240 V
AC input frequency
50 - 60 Hz
Input current
2.8 A
Power supply type
Internal
Energy efficiency scale
A to G
European Product Registry for Energy Labelling (EPREL) code
390236
Display
Display diagonal
100.8 cm (39.7")
Display resolution
5120 x 2160 pixels
Native aspect ratio
21:9
Display technology
LCD
Touchscreen
No
HD type
4K DCI
Panel type
IPS
Response time
8 ms
Screen shape
Curved
Contrast ratio (typical)
1000:1
Maximum refresh rate
60 Hz
Display number of colours
1.073 billion colours
Backlight type
LED
Display brightness (typical)
300 cd/m²
Anti-glare screen
Yes
Screen curvature rating
2500R
Supported graphics resolutions
640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 800 (WXGA), 1600 x 1200 (UXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 2048 x 1152, 2560 x 1080, 3840 x 2160, 4096 x 2160, 5120 x 2160
Supported video modes
480p, 720p, 1080i, 1080p
Viewing angle, horizontal
178°
Viewing angle, vertical
178°
Response time (fast)
5 ms
Pixel pitch
0.1815 x 0.1815 mm
Pixel density
140 ppi
Horizontal scan range
27 - 133.286 kHz
Vertical scan range
24 - 86 Hz
Viewable size, horizontal
92.9 cm
Viewable size, vertical
39.2 cm
Viewable size diagonal
100.9 cm
High Dynamic Range (HDR) supported
No
Colour gamut standard
DCI-P3
Colour gamut
98%
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-20 - 60 °C
Operating relative humidity (H-H)
10 - 80%
Storage relative humidity (H-H)
5 - 90%
Ports & interfaces
Built-in USB hub
Yes
HDMI
Yes
Headphone out
Yes
USB upstream port type
USB Type-B
Number of upstream ports
1
Number of USB Type-B upstream ports quantity
1
USB Type-A downstream ports quantity
4
USB Type-C downstream ports quantity
1
USB Power Delivery up to
90 W
VGA (D-Sub) ports quantity
0
DVI port
No
HDMI ports quantity
2
HDMI version
2.0
DisplayPorts quantity
1
DisplayPort version
1.4
Thunderbolt 3 ports quantity
1
Audio input
No
Headphone outputs
1
Headphone connectivity
3.5 mm
Ergonomics
VESA mounting
Yes
Cable lock slot
Yes
Height adjustment
Yes
Panel mounting interface
100 x 100 mm
Adjustable height (max)
12 cm
Pivot
No
Swivelling
Yes
Swivel angle range
-30 - 30°
Tilt adjustment
Yes
Tilt angle range
-5 - 21°
Other features
RJ-45 ports quantity
1
Ethernet LAN (RJ-45) ports
0
Design
Market positioning
Graphics design
Product colour
Silver
Front bezel colour
Black
Feet colour
Silver
Performance
NVIDIA G-SYNC
No
AMD FreeSync
No
Multimedia
Built-in speaker(s)
Yes
Built-in camera
No
Number of speakers
2
RMS rated power
18 W
Packaging data
Package weight
21.6 kg
Logistics data
Harmonized System (HS) code
85285210
Network
Wi-Fi
No
Carbon footprint
Total carbon footprint (kg of CO2e)
926
Total carbon emissions, standard deviation (kg of CO2e)
149
Carbon emissions, manufacturing (kg of CO2e)
430
Carbon emissions, logistics (kg of CO2e)
112
Carbon emissions, energy usage (kg of CO2e)
377
Carbon emissions, end-of-life (kg of CO2e)
6
Total carbon emissions, w/o use phase (kg of CO2e)
549
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