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The Dell UltraSharp U4025QW is a premium 40-inch curved ultrawide monitor designed for professionals who demand exceptional screen real estate, ultra-sharp resolution, and advanced connectivity. Featuring a stunning 5K2K (5120 × 2160) resolution and IPS Black technology, this monitor delivers superior contrast, deeper blacks, and highly accurate colors—making it ideal for content creators, designers, and multitasking professionals.
With a 120Hz refresh rate, it offers smoother motion compared to traditional productivity monitors, enhancing both workflow and visual experience.
The integrated Thunderbolt™ 4 hub with up to 140W power delivery allows you to connect and charge laptops with a single cable, while multiple ports—including HDMI, DisplayPort, USB-C, and Ethernet—turn the monitor into a complete workstation hub.
Its curved 2500R design and ultra-wide 21:9 aspect ratio provide immersive viewing and improved productivity, enabling users to replace multi-monitor setups with one seamless display.
The monitor also includes KVM functionality, built-in speakers, ergonomic adjustments (height, tilt, swivel), and advanced color accuracy (100% sRGB, 99% DCI-P3), ensuring both comfort and precision for professional workflows.
Key Features
- 40-inch curved ultrawide display with immersive 2500R curvature
- Ultra-sharp 5K2K resolution (5120 × 2160) for maximum workspace
- IPS Black technology for deeper blacks and improved contrast
- Smooth 120Hz refresh rate for better scrolling and responsiveness
- Thunderbolt™ 4 hub with up to 140W power delivery (single-cable setup)
- Wide color coverage: 100% sRGB and 99% DCI-P3 for accurate visuals
- VESA DisplayHDR 600 for enhanced brightness and detail
- Built-in KVM switch to control multiple devices with one setup
- Multiple connectivity ports: HDMI, DisplayPort, USB-C, USB-A, Ethernet
- Integrated dual 9W speakers for clear, built-in audio
- Picture-by-Picture (PbP) and Picture-in-Picture (PiP) multitasking modes
- Ergonomic stand with height, tilt, and swivel adjustments
- TÜV-certified eye comfort with low blue light and flicker-free screen
- Ideal for professionals, creators, multitasking, and productivity setups
| Feature | Specification |
|---|---|
| Model | Dell UltraSharp U4025QW |
| Screen Size | 39.7-inch (40-inch class) |
| Display Type | Curved IPS Black LCD |
| Resolution | 5120 × 2160 (5K2K UltraWide) |
| Aspect Ratio | 21:9 |
| Refresh Rate | Up to 120Hz |
| Brightness | 450 nits (typical), 600 nits (HDR peak) |
| Contrast Ratio | 2000:1 |
| Response Time | 5 ms (Fast mode) |
| Color Support | 1.07 billion colors |
| Color Gamut | 100% sRGB, 99% DCI-P3 |
| HDR Support | VESA DisplayHDR 600 |
| Viewing Angles | 178° / 178° |
| Curvature | 2500R |
| Speakers | Dual 9W built-in speakers |
| Ports | HDMI 2.1, DisplayPort 1.4, Thunderbolt 4, USB-C, USB-A, RJ45 Ethernet |
| Power Delivery | Up to 140W via Thunderbolt |
| USB Hub | Yes (multiple USB-A & USB-C ports) |
| KVM Switch | Yes |
| Ergonomics | Height, tilt, swivel adjustable |
| Mounting | VESA 100 × 100 mm |
| Connectivity Features | Daisy chaining, Ethernet (2.5GbE) |
| Special Features | Ambient light sensor, Picture-by-Picture (PbP), Picture-in-Picture (PiP) |
| Weight (with stand) | ~26.9 lbs (≈12.2 kg) |
| Warranty | 3-Year Advanced Exchange Service |
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