Key Specifications
Choose one or multiple features to search for items that have the same specifications.Display | |
Pixel pitch | 0.1815 x 0.1815 mm |
Contrast ratio (typical) | 1000:1 |
Horizontal scan range | 27 - 133.286 kHz |
Viewing angle, horizontal | 178° |
Viewing angle, vertical | 178° |
Vertical scan range | 24 - 86 Hz |
Viewable size, horizontal | 92.9 cm |
Viewable size, vertical | 39.2 cm |
Viewable size diagonal | 100.9 cm |
Display diagonal | 100.8 cm (39.7") |
Response time | 8 ms |
Display resolution | 5120 x 2160 pixels |
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 |
Touchscreen | ![]() |
Backlight type | LED |
Maximum refresh rate | 60 Hz |
Display technology | LCD |
Anti-glare screen | ![]() |
Native aspect ratio | 21:9 |
HD type | 4K DCI |
Pixel density | 140 ppi |
Colour gamut | 98% |
Panel type | IPS |
Screen shape | Curved |
Display number of colours | 1.073 billion colours |
Response time (fast) | 5 ms |
High Dynamic Range (HDR) supported | ![]() |
Display brightness (typical) | 300 cd/m² |
Screen curvature rating | 2500R |
Colour gamut standard | DCI-P3 |
Ports & interfaces | |
Audio input | No |
Headphone outputs | 1 |
DVI port | ![]() |
VGA (D-Sub) ports quantity | 0 |
HDMI ports quantity | 2 |
Headphone connectivity | 3.5 mm |
HDMI version | 2.0 |
HDMI | ![]() |
DisplayPorts quantity | 1 |
DisplayPort version | 1.4 |
Headphone out | ![]() |
Thunderbolt 3 ports quantity | 1 |
Built-in USB hub | ![]() |
USB upstream port type | USB Type-B |
Number of upstream ports | 1 |
USB Type-A downstream ports quantity | 4 |
USB Type-C downstream ports quantity | 1 |
USB Power Delivery up to | 90 W |
Number of USB Type-B upstream ports quantity | 1 |
Weight & dimensions | |
Width (with stand) | 946.6 mm |
Height (with stand) | 577.3 mm |
Depth (with stand) | 248 mm |
Bezel width (side) | 1.13 cm |
Bezel width (top) | 1.13 cm |
Bezel width (bottom) | 1.58 cm |
Weight (without stand) | 9.5 kg |
Height (without stand) | 419.1 mm |
Width (without stand) | 946.6 mm |
Depth (without stand) | 59.6 mm |
Weight (with stand) | 13.8 kg |
Energy management | |
Power consumption (typical) | 41.3 W |
Power supply type | Internal |
Power consumption (off) | 0.3 W |
Power consumption (PowerSave) | 44.81 W |
Power consumption (standby) | 0.3 W |
Input current | 2.8 A |
AC input frequency | 50 - 60 Hz |
AC input voltage | 100 - 240 V |
Power consumption (max) | 240 W |
Energy efficiency scale | A to G |
Energy efficiency class (SDR) | G |
Energy efficiency class (HDR) | Not available |
Energy consumption (SDR) per 1000 hours | 41 kWh |
European Product Registry for Energy Labelling (EPREL) code | 390236 |
Operational conditions | |
Operating relative humidity (H-H) | 10 - 80% |
Storage temperature (T-T) | -20 - 60 °C |
Operating temperature (T-T) | 0 - 40 °C |
Storage relative humidity (H-H) | 5 - 90% |
Networking | |
Wi-Fi | ![]() |
Packaging data | |
Package weight | 21.6 kg |
Ergonomics | |
Cable lock slot | ![]() |
Height adjustment | ![]() |
Swivel angle range | -30 - 30° |
Tilt angle range | -5 - 21° |
Pivot | ![]() |
Panel mounting interface | 100 x 100 mm |
Swivelling | ![]() |
Tilt adjustment | ![]() |
VESA mounting | ![]() |
Adjustable height (max) | 12 cm |
Other features | |
Ethernet LAN (RJ-45) ports | 0 |
RJ-45 ports quantity | 1 |
Design | |
Product colour | Silver |
Market positioning | Graphics design |
Feet colour | Silver |
Front bezel colour | Black |
Performance | |
NVIDIA G-SYNC | ![]() |
AMD FreeSync | ![]() |
Features | |
Product series | UltraSharp |
Multimedia | |
RMS rated power | 18 W |
Built-in speaker(s) | ![]() |
Built-in camera | ![]() |
Number of speakers | 2 |
Logistics data | |
Harmonized System (HS) code | 85285210 |
Carbon footprint | |
Total carbon footprint (kg of CO2e) | 926 |
Total carbon emissions, standard deviation (kg of CO2e) | 149 |
Carbon emissions, manufacturing (kg of CO2e) | 430.6 |
Carbon emissions, logistics (kg of CO2e) | 112 |
Carbon emissions, energy usage (kg of CO2e) | 377 |
Carbon emissions, end-of-life (kg of CO2e) | 6.23 |
Total carbon emissions, w/o use phase (kg of CO2e) | 549 |
PAIA version | 1.2.13, 2021 |
EAN | 5397184409633 |
Warranty | 1 year |
The Dell UltraSharp U4021QW is a 40-inch curved ultrawide monitor designed to elevate your productivity and immerse you in stunning visuals. Its expansive screen real estate and high resolution make it ideal for professionals in fields like video editing, graphic design, and finance, as well as anyone seeking a premium multitasking experience. The curved design minimizes reflections and provides a near-uniform visual focus, reducing eye strain and enhancing comfort during long work sessions.
This monitor delivers exceptional color accuracy and detail, covering 100% of the sRGB and Rec. 709 color spaces, and 98% of DCI-P3. The integrated dual 9W speakers provide rich, immersive audio, completing the audiovisual experience. The U4021QW also acts as a productivity hub, featuring Thunderbolt™ 3 connectivity with up to 90W power delivery, along with a variety of other ports for connecting all your devices. Its elegant design includes a platinum silver finish, a compact base, and a cable management system for a clean and organized workspace.
Key Features- 40-inch curved ultrawide (UW5K) display
- 5120 x 2160 resolution
- IPS panel
- 60Hz refresh rate
- 8ms response time (normal mode)
- 300 cd/m² brightness
- 1000:1 contrast ratio
- 100% sRGB, 100% Rec. 709, 98% DCI-P3 color coverage
- 1 x DisplayPort 1.4, 2 x HDMI 2.0, 1 x Thunderbolt™ 3 (USB-C) with 90W Power Delivery, USB 3.2 Gen 2 ports, RJ45 port
- VESA mount compatible
- Adjustable stand (height, tilt, swivel)
- ComfortView Plus (low blue light filter)
- Dell UltraSharp U4021QW Monitor
- Stand base and riser
- Power cable
- DisplayPort 1.4 cable
- Thunderbolt™ 3 (USB-C) cable
- USB 3.2 Gen 2 cable
- Quick setup guide
Estimated delivery: 29.07 - 04.08
Today: Closed
Estimated delivery: 29.07 - 04.08
Today: Closed
Estimated delivery: 29.07 - 04.08
Today: Closed
Estimated delivery: 29.07 - 04.08
Today: Closed
Estimated delivery: 29.07 - 04.08
Today: Closed
Estimated delivery time: 29.07 - 04.08
Estimated delivery time: 30.07 - 04.08
Estimated delivery time: 29.07 - 03.08
Estimated delivery time: 30.07 - 04.08
Estimated delivery time: 30.07 - 03.08
Estimated delivery time: 30.07 - 03.08