Elevate your performance with a 40-inch curved Thunderbolt hub monitor featuring a stunning 5K display and a 120Hz refresh rate.
Engineered for professionals who demand the best in performance, security, and design.
40" curved UltraSharp monitor with 5K resolution delivers incredible detail and clarity for work, design, and entertainment.
Improved ComfortView Plus reduces blue light emissions to ≤35% and an Ambient Light Sensor adjusts brightness and colour for minimal eye strain.
120Hz refresh rate ensures flicker-free scrolling, smooth motion, and seamless transitions compared to 60Hz displays.
99% DCI-P3 and Display P3 coverage with 2000:1 contrast ratio deliver vibrant, accurate colours and deep blacks.
Thunderbolt™ 4 (up to 140W PD), HDMI, DisplayPort, USB-C, Ethernet (2.5GbE) and pop-out quick access ports keep all devices connected efficiently.
Internal MST allows partitioning the display into two 2560x2160 screens, enabling enhanced multitasking without additional software or splitters.
Optimise your workspace, arrange windows, manage multiple PCs, and streamline peripheral control with Dell’s productivity software.
Made with 85% post-consumer recycled plastics, 50% recycled steel, 100% recycled aluminium, and at least 20% recycled glass. Packaging uses 100% renewable content and is recyclable.
Full specifications for the model
| SKU | U4025QW |
|---|---|
| Resolution | 5120 x 2160 |
| Display | 39.7' |
| Refresh Rate | 120 Hz |
| Panel | IPS |
| Screen Mode | 5K2K UHD |
| Aspect Ratio | 21:9 |
| Pixel Pitch | 0.1815 mm x 0.1815 mm |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Mount Type | Panel Mount |
| Backlight Technology | LED Edgelight System |
| HDCP Supported | Yes |
| Tilt Angle | -5° to 21° |
| Stand Adjustments | Tilt/Swivel/Height |
| Stand Included | Yes |
| Glass Hardness | 3H |
| Colour Supported | 1.07 Billion colours |
| Native Contrast Ratio | 2000:1 |
| Brightness | 450 cd/m2 / 600 cd/m2 |
| Tearing Prevention Technology | VESA DisplayHDR600 |
| Colour Gamut | DCI-P3 99%, Display P3 99%, sRGB 100%, BT.709 100% |
| Pixel Per Inch (PPI) | 140 |
| Interfaces/Ports | Connectivity 1 HDMI (supports up to 5K2K 5120 x 2160 120Hz FRL, HDR Static Metadata, VRR as per HDMI 2.1) 1 DP 1.4 (HDCP 2.3) (Supports up to 5120 x 2160 120Hz, HDR, DSC) 1 Thunderbolt 4 downstream port (15 W) for daisy chaining (Video + Data) 1 Thunderbolt 4 (USB PD up to 140W EPR) (Alternate mode with DP 1.4, SuperSpeed USB 3.2 Gen2 10Gbps upstream, USB PD up to 140W EPR) 1 USB Type-C upstream port (data only, SuperSpeed USB 10 Gbps) 4 USB Type-A downstream ports (SuperSpeed USB 10 Gbps) 1 Audio line-out 1 RJ45 (2.5GbE) Quick Access: 1 USB Type-A downstream with BC1.2 2 USB Type-C downstream with 15W power |
| Environmental Conditions | Operating Temperature Range 0°C to 40°C Non-operating Temperature Range -20°C to 60°C Operating Humidity Range 10% to 80% (Non-condensing) Non-operating Humidity Range 5% to 90% (Non-condensing) Maximum Operating Altitude 5000 m Maximum Non-operating Altitude 12192 m |
| Power Description | Input Voltage Range 100V AC to 240V AC Operating Power Consumption 39.5 W Standby Power Consumption 0.4 W Off-Mode Power Consumption 0.3 W Maximum Power Consumption 380 W Voltage Current 4.2 A |
| Physical Characteristics | VESA Mount Compatible Yes VESA Mount Standard 100 x 100 Height 419.14 mm Width 946.62 mm Depth 108.04 mm Height with Stand 472.32 mm ~ 622.32 mm Width with Stand 946.62 mm Depth with Stand 252.80 mm Weight (panel only) 8.35 kg Weight with Stand 12.22 kg Weight with Packaging 19.02 kg |
| Miscellaneous | Curved Screen Yes Curvature 2500R Package Contents Monitor Stand Riser Stand Base Quick setup guide Factory calibration report Cables Included 1 x Power cable 1 x DisplayPort 1.4 cable - 1.8 m 1 x USB Type-A to USB Type-C Gen 2 cable - 1 m 1 x HDMI cable - 1.8 m 1 x Thunderbolt 4 active cable - 1.5 m |
| Warranty | Limited Warranty 3-Year Advanced Exchange Service and Premium Panel Exchange |
Download product documentation and resources
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