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40-inch curved 5K monitor with silver stand and thin bezels

DELL

DELL U4025QW 39.7" 5K 120Hz Thunderbolt monitor

SKU CH-5DWJ-PQ91M

A 39.7-inch curved 5K monitor with 120Hz refresh rate, Thunderbolt connectivity and IPS Black panel for colour-accurate work

  • Screen Size39.7
  • Expansive 21:9 ultrawide workspace spans 39.7 inches curved for immersive multitasking
  • 5K resolution at 120Hz refresh rate delivers smooth scrolling and crisp detail
  • IPS Black panel covers 99% DCI-P3 with 2000:1 contrast for accurate colour
  • 450 cd/m² typical and 600 cd/m² HDR peak brightness reveal vivid highlights
  • Thunderbolt hub plus DisplayPort 1.4 and HDMI simplify single-cable connectivity

Dell UltraSharp 40 5K 120Hz

The Dell UltraSharp U4025QW is a 39.7-inch curved monitor with a 5K resolution and 120Hz refresh rate. It uses IPS Black technology to deliver a 2000:1 contrast ratio and 1.07 billion colors. Thunderbolt connectivity provides a single-cable hub for video, data and power delivery. This display targets professionals who need expansive, colour-accurate screen real estate for multitasking.

Ideal for colour-critical work

The 99% DCI-P3 coverage and factory calibration suit creative professionals editing photo or video content. The 21:9 aspect ratio and iMST feature benefit users who partition the screen into dual virtual monitors. Buyers who need higher peak brightness for mastering HDR content should look elsewhere. Users requiring faster pixel response for competitive gaming will find the 5ms fast mode limiting.

Thunderbolt hub with 40Gbps upstream

The monitor includes a Thunderbolt 4 upstream port capable of 40Gbps bandwidth alongside DisplayPort 1.4 and HDMI inputs. This single connection drives the native 5K 120Hz signal while charging a laptop and routing peripherals through the built-in hub. Verify that your host device supports the required Thunderbolt or DisplayPort Alternate Mode specification before purchase.

Highlights

  • Expansive 21:9 ultrawide workspace spans 39.7 inches curved for immersive multitasking
  • 5K resolution at 120Hz refresh rate delivers smooth scrolling and crisp detail
  • IPS Black panel covers 99% DCI-P3 with 2000:1 contrast for accurate colour
  • 450 cd/m² typical and 600 cd/m² HDR peak brightness reveal vivid highlights
  • Thunderbolt hub plus DisplayPort 1.4 and HDMI simplify single-cable connectivity

Specifications

Screen Size39.7

Questions about this item

What cables and accessories are included with the DELL U4025QW monitor?

The box contains the monitor, a DisplayPort 1.4 cable, an HDMI cable, a USB-C to Type-A cable, and a Thunderbolt 4 active cable. No separate cable purchase is required for standard connectivity.

Which resolution and refresh rate combination does the DELL U4025QW support for the full 5K workspace?

The 39.7-inch panel runs at 5K resolution with a 120Hz refresh rate and a 21:9 aspect ratio, delivering the complete ultrawide workspace in a single curved display.

How does the 120Hz refresh rate affect daily use on the DELL U4025QW compared to a standard 60Hz panel?

The 120Hz refresh rate provides less flicker, more seamless scrolling, and smoother motion than 60Hz monitors, improving both productivity tasks and gaming visuals.

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