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Dell UltraSharp U4025QW 40" Class 5K2K WUHD Curved Screen LED Monitor - 21:9 - Black, Silver
Steve M. ⭐⭐⭐⭐⭐ (20/07/2024) ✅ Verified
We've been ordering from Unifi since 2018. Always reliable & professional, highly recommended.
David G. ⭐⭐⭐⭐⭐ (14/05/2022) ✅ Verified
Amazing price, excellent service. Rob was very patient with any questions we had.
Akash P. ⭐⭐⭐⭐⭐ (02/06/2022) ✅ Verified
Ordered a few IP phones which arrived promptly. Very helpful with questions we had.
Gary L. ⭐⭐⭐⭐⭐ (28/06/2024) ✅ Verified
Switch works perfectly & your customer service is fantastic. Thank you.
Raph M. ⭐⭐⭐⭐⭐ (02/08/2023) ✅ Verified
Ordered a keyboard & monitor, arrived in 2 days with no issues. Would recommend.

Dell UltraSharp U4025QW 40″ Class 5K2K WUHD Curved Screen LED Monitor – 21:9 – Black, Silver

Dell UltraSharp U4025QW 40″ Class 5K2K WUHD Curved Screen LED Monitor – 21:9 – Black, Silver – 100.8 cm (39.7″) Viewable – In-plane Switching (IPS) Black Technology – Edge LED Backlight – 5120 x 2160 – 1.07 Billion Colors – 600 cd/m² – 5 ms – Speakers – HDMI – DisplayPort – KVM Switch

  • 100.8 cm (39.7″) viewable screen size provides a spectacular viewing experience
  • 120 Hz standard refresh rate reduces deterioration caused by blurring to ensure maximum productivity
  • 21:9 aspect ratio provides the best display for video recorded in the CinemaScope format
  • 5 ms response time makes it excellent for latest action films, sports or gaming
  • 5120 x 2160 maximum resolution for a vivid, crystal clear display with added productivity
  • 5K2K WUHD screen mode provides visual clarity and ensures maximum productivity
  • Edge LED backlighting technology for a bright and sharp display
  • LED Monitor offers maximum efficiency and usability
  • USB Type-C allows quick transmission of data at a higher rate for your convenience
  • View your content easily in well lit areas with 600 cd/m² brightness

Availability: 24 in stock

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Estimated Delivery: Tuesday, 22nd September
Future Stock on Order: 50
Due in Stock: 02/11/26

£1,178.52 Exc. VAT / £1,414.22 Inc. VAT

Secure Payments: Protected checkout with trusted payment providers.

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Fast Shipping: Orders dispatched within 1–2 working days.

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Manufacturer's Part Code: DELL-U4025QW Categories , , , UPC/EAN Code: 5397184821510

Condition: Brand New & Sealed. Sourced through manufacturer’s authorised UK channels.

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 2560×2160 physical monitors instead of one. No external software or DisplayPort splitter needed.

Technical Information

Aspect Ratio 21:9
Pixel Pitch 0.18 mm
Response Time 5 ms
Features Anti-glare
Mount Type Panel Mount
Viewable Screen Size 100.8 cm (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
Panel Technology In-plane Switching (IPS) Black Technology
Curved Screen Yes
Screen Size Class 40"
Glass Hardness 3H
Stand Adjustments Swivel
Response Time Details 5ms Fast
Active Display Area (H x V) 929.20 mm x 392 mm

Miscellaneous

Package Contents
  • UltraSharp 40 Curved Thunderbolt Hub Monitor
  • Stand Riser
  • Stand Base
  • 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 - 1.8m
  • 1 x Thunderbolt 4 active Cable - 1.5 m
  • Quick Setup guide Safety
  • Environmental and Regulatory Information
  • Factory calibration Report
Country of Origin China
Environmentally Friendly Yes
Environmental Certification TCO Certified Edge
Energy Star Yes
TCO Certified Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)

Built-in Devices

Built-in Devices KVM Switch

General Information

Product Type LED Monitor
Manufacturer Part Number DELLU4025QW
Manufacturer Website Address http://www.dell.co.uk
Marketing Information

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.
Manufacturer Dell Technologies
Product Model U4025QW
Product Name UltraSharp 40 Curved Thunderbolt Hub Monitor
Package Type Retail
Product Line UltraSharp
Brand Name Dell

Audio

Speakers Yes
Number of Speakers 2

Warranty

Limited Warranty 3 Year

Physical Characteristics

Weight (Approximate) 8.35 kg
Colour Black
Height 419.1 mm
Width 946.6 mm
Depth 108 mm
Weight with Stand (Approximate) 12.22 kg
VESA Mount Compatible Yes
Height with Stand 622.32 mm
Width with Stand 946.62 mm
Depth with Stand 252.80 mm
Color Family Dual Colour
Compressed Height with Stand 472.32 mm
Extended Height with Stand 622.32 mm

Video

Brightness 600 cd/m²
Colour Supported 1.07 Billion Colors
Maximum Resolution 5120 x 2160
Standard Refresh Rate 120 Hz
Native Contrast Ratio 2,000:1
Color Gamut 99% DCI-P3
Pixel Per Inch (PPI) 140

Interfaces/Ports

USB Yes
HDMI Yes
Network (RJ-45) Yes
Number of USB Ports 8
DisplayPort Yes
Number of HDMI Inputs 1
Thunderbolt Yes
Number of DisplayPorts 1
Total Number of HDMI Ports 1
USB Type-C Yes
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

Power Description

Operating Power Consumption 380 W
Standby Power Consumption 400 mW
Maximum Power Consumption 380 W
Off-Mode Power Consumption 300 mW
Voltage Current 4.20 Ah

Environmental Conditions

Maximum Operating Altitude 5 km
Maximum Non-operating Altitude 12.19 km
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)

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Dell UltraSharp U4025QW 40" Class 5K2K WUHD Curved Screen LED Monitor - 21:9 - Black, SilverDell UltraSharp U4025QW 40″ Class 5K2K WUHD Curved Screen LED Monitor – 21:9 – Black, Silver
£1,178.52 Exc. VAT / £1,414.22 Inc. VAT

Availability: 24 in stock

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Estimated Delivery: Tuesday, 22nd September
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