About the product
World's first 40" 5K monitor certified for 5-Star Eye Comfort
Every aspect of your work springs to life on this curved 5K monitor featuring a 120Hz refresh rate. You'll never miss a single detail.
Smoother visual experience
A 120Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion than 60Hz monitors.
Ambient Light Sensor
A built-in Ambient Light Sensor intelligently optimizes brightness and color temperature based on your surroundings.
Improved ComfortView Plus
Our latest monitors reduce harmful blue light emissions to <35%, compared to <50% from the previous generation, for all-day eye comfort without sacrificing color accuracy.
5K
See every detail with complete clarity on a 5K resolution monitor.
99%
DCI-P3 and Display P3 color coverage.
IPS Black
Experience deeper blacks with a 2000:1 contrast ratio.
Internal Multi-Stream Transport (iMST)
Partition your display as if there were two 2560x2160 physical monitors instead of one. No external software or DisplayPort splitter needed.
- 21:9 aspect ratio provides the best display for video recorded in the CinemaScope format
- Edge LED backlighting technology for a bright and sharp display
- View your content easily in well lit areas with 600 cd/m² brightness
- Features HDMI input to get connected with the top of the line PCs, Blu-ray players, and cutting edge gaming consoles
- 5 ms response time makes it excellent for latest action films, sports or gaming
- Thunderbolt I/O technology lets you move data between your devices and your computer with unprecedented speed
- VESA mount compatibility allows you to mount the display on a wall or with a stand depending on your specific needs
Technical Specifications
| Built-in Devices | |
| Built-in Devices | KVM Switch |
| USB Hub | |
| Environmental Conditions | |
| Maximum Operating Altitude | 16404 ft (4999.94 m) |
| Maximum Non-operating Altitude | 40000 ft (12192 m) |
| Audio | |
| Speakers | Yes |
| Number of Speakers | 2 |
| Speaker Output Power | 18 W |
| Miscellaneous | |
| Package Contents | |
| Environmentally Friendly | Yes |
| Environmental Certification | TCO Certified Edge |
| Energy Star | Yes |
| TCO Certified | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Dell Display Manager Compatibility | Yes |
| Power Description | |
| Frequency | 60 Hz |
| 50 Hz | |
| Input Voltage Range | 100V AC to 240V AC |
| Operating Power Consumption | 380 W |
| Standby Power Consumption | 400 mW |
| Off-Mode Power Consumption | 300 mW |
| Voltage Current | 4.20 A |
| General Information | |
| Product Type | LED Monitor |
| Manufacturer Part Number | DELLU4025QW |
| Manufacturer Website Address | http://www1.ca.dell.com |
| Manufacturer | Dell Technologies |
| Product Model | U4025QW |
| Product Name | UltraSharp 40 Curved Thunderbolt Hub Monitor |
| Package Type | Retail |
| Product Line | UltraSharp |
| Brand Name | Dell |
| Video | |
| Brightness | 600 cd/m² |
| Color Supported | 1.07 Billion Colors |
| Maximum Resolution | 5120 x 2160 |
| Standard Refresh Rate | 120 Hz |
| Native Contrast Ratio | 2,000:1 |
| Color Gamut | 98% Display P3 |
| 100% BT.709 | |
| 99% DCI-P3 | |
| 100% sRGB | |
| Pixel Per Inch (PPI) | 140 |
| Physical Characteristics | |
| Weight (Approximate) | 18.41 lb (8350 g) |
| Height | 16.50" (419.14 mm) |
| Width | 37.27" (946.62 mm) |
| Depth | 4.25" (108.04 mm) |
| Weight with Stand (Approximate) | 26.94 lb (12220 g) |
| VESA Mount Compatible | Yes |
| VESA Mount Standard | 100 x 100 |
| Height with Stand | 24.50" (622.32 mm) |
| Width with Stand | 37.27" (946.62 mm) |
| Depth with Stand | 9.95" (252.80 mm) |
| Color Family | Dual Color |
| Compressed Height with Stand | 18.60" (472.32 mm) |
| Extended Height with Stand | 24.50" (622.32 mm) |
| Interfaces/Ports | |
| USB | Yes |
| HDMI | Yes |
| HDMI Version | 2.1 |
| Network (RJ-45) | Yes |
| Number of USB Ports | 8 |
| Audio Line Out | Yes |
| DisplayPort | Yes |
| Number of HDMI Inputs | 1 |
| Thunderbolt | Yes |
| Number of DisplayPorts | 1 |
| Total Number of HDMI Ports | 1 |
| USB Type-C | Yes |
| Number of DisplayPort 1.4 Ports | 1 |
| Number of Audio Line Out Ports | 1 |
| Thunderbolt 4 | Yes |
| Number of USB Type-C 3.2 Gen 2 Upstream Ports | 1 |
| Number of USB Type-A 3.2 Gen 2 Downstream Ports | 5 |
| Number of USB Type-C 3.2 Gen 2 Downstream Ports | 2 |
| Technical Information | |
| Aspect Ratio | 21:9 |
| Pixel Pitch | 7.15 mil (0.18 mm) |
| Response Time | 5 ms |
| Features | sRGB |
| VESA DisplayHDR 600 | |
| Security Lock | |
| Picture in Picture | |
| Picture by Picture | |
| HDR Ready | |
| Easy Arrange | |
| Digital Daisy Chain | |
| Cable Lock Slot | |
| Anti-glare | |
| Ambient Light Sensor | |
| Stand Lock | |
| Mount Type | Panel Mount |
| Viewable Screen Size | 39.7" |
| Screen Mode | 5K2K WUHD |
| Number of Screens | 1 |
| HDCP Supported | Yes |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Backlight Technology | Edge LED |
| Maximum Adjustable Height | 5.91" (150 mm) |
| Panel Technology | In-plane Switching (IPS) Black Technology |
| Stand Included | Yes |
| Curved Screen | Yes |
| Screen Size Class | 40" |
| Glass Hardness | 3H |
| Stand Adjustments | Tilt |
| Height | |
| Swivel | |
| Response Time Details | 5ms Fast |
| Curvature | 2500R |
Product compare
Product warranty
Standard manufacturer warranty as applicable
Return policy
15 days return in original condition.
Price guarantee
!00% we are always lower than market price.
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