UltraSharp U4021QW computer monitor

100.8 cm (39.7") 5120 x 2160 pixels 4K DCI LCD Silver

Model U4021QWPart no. DELL-U4021QWEAN 884116381365

110 specifications Checked today

Display100.8 cm (39.7")
Resolution5120 x 2160 pixels
Energy classG
ColourSilver
NVIDIA G-SYNCNo
Built-in speaker(s)Yes

See all specifications

Overview

Display: 100.8 cm (39.7")
Resolution: 5120 x 2160 pixels
Energy class: G
Colour: Silver
NVIDIA G-SYNC: No
Built-in speaker(s): Yes

Brand: Dell
Category: Monitor
Model: U4021QW
Part number: DELL-U4021QW
EAN / UPC: 884116381365, 5397184409633, 5704174822899, 5704174822905
Also known as: DELL UltraSharp U4021QW computer monitor 100.8 cm (39.7") 5120 x 2160 pixels 4K DCI LCD Silver

Specifications

110 specifications in 14 groups

Display

Specification	Value
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
Backlight type	LED
Display brightness (typical)	300 cd/m²
Response time	8 ms
Anti-glare screen	Yes
Screen shape	Curved
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
Contrast ratio (typical)	1000:1
Maximum refresh rate	60 Hz
Viewing angle, horizontal	178°
Viewing angle, vertical	178°
Display number of colours	1.073 billion colours
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%

Performance

Specification	Value
NVIDIA G-SYNC	No
AMD FreeSync	No

Multimedia

Specification	Value
Built-in speaker(s)	Yes
Number of speakers	2
RMS rated power	18 W
Built-in camera	No

Design

Specification	Value
Market positioning	Graphics design
Product colour	Silver
Front bezel colour	Black
Feet colour	Silver

Ports & interfaces

Specification	Value
Built-in USB hub	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	Yes
HDMI ports quantity	2
HDMI version	2.0
DisplayPorts quantity	1
DisplayPort version	1.4
Thunderbolt 3 ports quantity	1
Audio input	No
Headphone out	Yes
Headphone outputs	1
Headphone connectivity	3.5 mm

Network

Specification	Value
Wi-Fi	No

Ergonomics

Specification	Value
VESA mounting	Yes
Panel mounting interface	100 x 100 mm
Cable lock slot	Yes
Height adjustment	Yes
Adjustable height (max)	12 cm
Pivot	No
Swivelling	Yes
Swivel angle range	-30 - 30°
Tilt adjustment	Yes
Tilt angle range	-5 - 21°

Power

Specification	Value
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

Operational conditions

Specification	Value
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%

Weight & dimensions

Specification	Value
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

Packaging data

Specification	Value
Package weight	21.6 kg

Carbon footprint

Specification	Value
Carbon emissions, end-of-life (kg of CO2e)	6.23
Carbon emissions, energy usage (kg of CO2e)	377
Carbon emissions, logistics (kg of CO2e)	112
Carbon emissions, manufacturing (kg of CO2e)	430.6
PAIA version	1.2.13, 2021
Total carbon emissions, standard deviation (kg of CO2e)	149
Total carbon footprint (kg of CO2e)	926

Other features

Specification	Value
RJ-45 ports quantity	1
Ethernet LAN (RJ-45) ports	0

Logistics data

Specification	Value
Harmonized System (HS) code	85285210

UltraSharp U4021QW computer monitor

Overview

Specifications

Display

Performance

Multimedia

Design

Ports & interfaces

Network

Ergonomics

Power

Operational conditions

Weight & dimensions

Packaging data

Carbon footprint

Other features

Logistics data

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