Dell UltraSharp U4021QW 40" WUHD, IPS Curved Monitor with USB-C hub
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° |
| Aspect ratio | 21:9 |
| 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 |
| Colour depth | 10 bit |
| 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 |
| sRGB coverage (typical) | 100% |
| 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 | ![]() |
| HDCP | ![]() |
| DisplayPorts quantity | 1 |
| HDCP version | 2.2 |
| 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 |
| Packaging content | |
| Stand included | ![]() |
| Other features | |
| Ethernet LAN (RJ-45) ports | 0 |
| RJ-45 ports quantity | 1 |
| Design | |
| Product colour | Silver |
| Market positioning | Graphics design |
| Detachable stand | ![]() |
| Feet colour | Silver |
| Front bezel colour | Black |
| Performance | |
| NVIDIA G-SYNC | ![]() |
| AMD FreeSync | ![]() |
| Flicker-free technology | ![]() |
| 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 40 U4021QW monitor features a 40-inch IPS panel with a 5120 x 2160 WUHD resolution, delivering expansive screen space for productivity tasks. Its 21:9 aspect ratio provides an ultrawide canvas, suitable for multitasking and viewing detailed content. The display operates at a 60 Hz refresh rate with a response time of 8 ms. It maintains a typical brightness level of 300 cd/m² and a standard contrast ratio of 1000:1, which is characteristic of IPS technology. The screen's pixel density is 140 ppi, contributing to sharp text and image rendering.
Designed for colour-critical work, this monitor reproduces 1.07 billion colours, covering 100% of the sRGB and 98% of the DCI-P3 colour spaces. The curved screen and wide 178-degree horizontal and vertical viewing angles create an immersive and consistent viewing experience from various positions. High Dynamic Range (HDR) support enhances the display's contrast range for compatible content. The panel also incorporates an anti-glare surface treatment to minimize reflections from ambient light, which can help reduce eye strain during extended use.
This monitor functions as a comprehensive productivity hub with a wide array of connectivity options. It includes two HDMI 2.2 ports, one DisplayPort 1.4, and a Thunderbolt 3/USB-C port with power delivery, alongside a built-in USB 3.2 Gen 2 hub. A headphone output jack and dual 9W integrated speakers are also included for audio convenience. The stand offers full ergonomic flexibility with height, tilt, swivel, and pivot adjustments. For alternative mounting solutions, the monitor is compatible with a 100 x 100 mm VESA interface.
Key Features:- 40-inch curved display with 5120 x 2160 WUHD resolution
- IPS panel with 178° viewing angles
- 100% sRGB and 98% DCI-P3 colour gamut coverage
- 60 Hz refresh rate and 8 ms response time
- Thunderbolt 3 connectivity with power delivery
- Integrated USB 3.2 Gen 2 hub
- Built-in dual 9W speakers
- Fully adjustable stand with height, tilt, swivel, and pivot
- 100 x 100 mm VESA mount compatible
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Estimated delivery: 09.01 - 12.01
Today: 10:00 - 17:00
Estimated delivery: 09.01 - 12.01
Today: 10:00 - 18:00
Estimated delivery: 09.01 - 12.01
Today: 10:00 - 18:00
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Estimated delivery time: 10.01 - 14.01
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Estimated delivery time: 10.01 - 14.01
Estimated delivery time: 10.01 - 13.01
Estimated delivery time: 09.01 - 14.01
Estimated delivery time: 09.01 - 14.01
Estimated delivery time: 10.01 - 13.01
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