
Dell UltraSharp U4025QW 40" Curved Thunderbolt Monitor
- 40" curved 5120 x 2160, 21:9
- 120Hz, IPS Black, 2000:1 contrast
- 99% DCI-P3 and Display P3
- Thunderbolt 4, up to 140W power delivery
- 2.5GbE RJ45, KVM style multi PC control
- iMST splits into two 2560 x 2160 screens
- 3 year Dell + 2 year extended protection
Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A huge, sharp ultrawide hub monitor that powers and networks a laptop over one cable, aimed at Mac and Windows professionals. Response time is office grade, so fast gamers will want a dedicated gaming display.
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ASIN: B0FPM26CRRModel: U4025QWCategory: Computer Monitors
Overview
Plugging in one Thunderbolt cable is all it takes to charge a laptop, carry video and connect Ethernet and USB through this Dell UltraSharp. The curved ultrawide panel can split into two virtual monitors, and an ambient light sensor tunes brightness.
One cable desk setups with huge, accurate screen space suit creative and multitasking work. It is a productivity screen, not built for fast gaming.
Who it's for
Designers, developers and analysts on Mac or Windows get wide color and huge workspace. Gamers chasing speed should look at gaming monitors.
Pros and cons
- One cable laptop dock
- High laptop charging power
- Wide P3 color
- Built-in 2.5GbE Ethernet
- Office grade response time
- Large desk footprint
- Only one HDMI port
Performance notes
IPS Black technology deepens blacks over standard IPS, which helps contrast in dark scenes. Thunderbolt carries video, data and charging on one cable. iMST tells the computer it has two monitors so windows snap to each half.
Specifications
| Brand | Dell |
|---|---|
| Model | U4025QW |
| Dimensions & fit | |
| Screen size | 40 inches, curved |
| Item weight | 26.9 pounds |
| Power & efficiency | |
| Power Consumption | 39.5 watts |
| Construction & materials | |
| Color Gamut | 99% DCI-P3, Display P3 |
| Compatibility & installation | |
| Connectivity | Thunderbolt 4 (140W), HDMI, DisplayPort, USB-C, USB-A, RJ45 2.5GbE |
| Included components | |
| Included Components | Monitor, stand riser, stand base, factory calibration report, setup guide |
| Warranty & support | |
| Warranty Description | Dell 3 year limited plus 2 year CPS protection |
| Other details | |
| Native Resolution | 5120 x 2160 |
| Refresh Rate | 120 Hz |
| Response Time | 8 ms |
| Brightness | 450 nits |
| Display Technology | IPS Black |
| Aspect Ratio | 21:9 |
| Adaptive Sync | FreeSync, G-Sync compatible |
| Contrast Ratio | 2000:1 |
| Total USB ports | 8 |
Frequently asked questions
Will the Dell U4025QW charge a MacBook Pro?
It supplies up to 140W over Thunderbolt 4. Dell says it is tested with macOS devices, though some features may not be supported.
Can the Dell U4025QW act as two monitors?
Yes. iMST partitions it into two 2560 x 2160 displays without extra software.
Does the Dell U4025QW have Ethernet?
Yes. A built-in RJ45 port supports up to 2.5GbE.