The Dell U4025QW is a 40-inch IPS display featuring a 21:9 aspect ratio and a resolution of 5120 x 2160 pixels. With a refresh rate of 120 Hz and a brightness of 450 cd/m², it delivers clear visuals and vibrant colors.

• IPS panel technology for wide viewing angles of 178°
• Adjustable height, tilt, and swivel for ergonomic comfort
• One HDMI port and one DisplayPort for versatile connectivity
• Built-in speakers and USB-C with 15W power delivery

Design

• Colour of product: Silver

Display

• Aspect ratio: 21:9
• Display: 5120 x 2160 pixels
• Display brightness: 450 cd/m²
• Display diagonal: 40 "
• Maximum refresh rate: 120 Hz
• Panel type: IPS
• Response time: 8 ms
• Viewing angle, horizontal: 178 °
• Viewing angle, vertical: 178 °

Ports & interfaces

• HDMI ports quantity: 1
• DisplayPorts quantity: 1

Technical details

• Producer product name: U4025QW
• Net weight: 11.73 kg
• USB-C: Yes
• USB-C power delivery: 15W

Specifications

• Warranty: 36 month(s)

Ergonomics

• Height adjustment: Yes
• Height adjustment: 15 cm
• Swivelling: Yes
• Tilt adjustment: Yes

Multimedia

• Built-in speaker(s): Yes
• TV tuner integrated: No

Networking

• Ethernet LAN (RJ-45) ports: Yes

Additional specifications

• Display resolution: 5120 x 2160 pixels
• HD type: 5K Ultra HD
• Native aspect ratio: 21:9
• Display technology: LCD
• LED backlight: Yes
• Backlight type: Edge LED
• Touchscreen: No
• Display brightness (peak): 600 cd/m²
• Display brightness (typical): 450 cd/m²
• Anti-glare screen: Yes
• Screen shape: Curved
• Screen curvature rating: 2500R
• Supported graphics resolutions: 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 800, 1600 x 1200, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2048 x 1152, 2048 x 1280, 2560 x 1080, 3840 x 2160, 4096 x 2160, 5120 x 2160
• Supported video modes: 480p, 720p, 1080p
• Contrast ratio (typical): 2000:1
• Display number of colours: 1.07 billion colours
• Response time (fast): 5 ms
• Pixel pitch: 0.1815 x 0.1815 mm
• Pixel density: 140 ppi
• Horizontal scan range: 25 - 280 kHz
• Vertical scan range: 48 - 120 Hz
• Viewable size, horizontal: 92.9 cm
• Viewable size, vertical: 39.2 cm
• Viewable size diagonal: 100.9 cm
• High Dynamic Range (HDR) supported: Yes
• Surface hardness: 3H
• Colour gamut standard: DCI-P3
• Colour gamut: 99%
• sRGB coverage (typical): 100%
• Dual ambient light sensor: Yes
• Dell ComfortView technology: Yes
• Heat dissipation: 134.8 BTU/h
• AMD FreeSync: No
• Flicker-free technology: Yes
• Low Blue Light technology: Yes
• Windows operating systems supported: Windows 10, Yes
• Mac operating systems supported: MacOS
• Number of speakers: 2
• RMS rated power: 18 W
• Built-in camera: No
• Product colour: Silver
• Front bezel colour: Black
• Feet colour: Silver
• Built-in USB hub: Yes
• Number of USB Type-C upstream ports quantity: 2
• USB Type-A downstream ports quantity: 5
• USB Type-C downstream ports quantity: 3
• USB Type-C DisplayPort Alternate Mode: Yes
• USB Power Delivery (USB PD): Yes
• USB Power Delivery up to: 140 W
• HDMI: Yes
• HDMI version: 2.1
• DisplayPort version: 1.4
• Thunderbolt 4 ports quantity: 2
• Audio output: Yes
• Headphone out: No
• Built-in KVM switch: Yes
• HDCP: Yes
• HDCP version: 1.4/2.3
• DC-in jack: Yes
• VESA mounting: Yes
• Panel mounting interface: 100 x 100 mm
• Cable management: Yes
• Cable lock slot: Yes
• Cable lock slot type: Kensington
• Adjustable height (max): 15 cm
• Swivel angle range: -30 - 30°
• Tilt angle range: -5 - 21°
• Picture-in-Picture: Yes
• On Screen Display (OSD): Yes
• Plug and Play: Yes
• LED indicators: Yes
• Energy efficiency class (SDR): F
• Energy efficiency class (HDR): G
• Energy consumption (SDR) per 1000 hours: 40 kWh
• Energy consumption (HDR) per 1000 hours: 62 kWh
• Power consumption (typical): 39.5 W
• Power consumption (standby): 0.4 W
• Power consumption (max): 380 W
• Power consumption (off): 0.3 W
• AC input voltage: 100 - 240 V
• AC input frequency: 50/60 Hz
• Input current: 4.2 A
• Power supply type: Internal
• Energy efficiency scale: A to G
• Operating temperature (T-T): 0 - 40 °C
• Storage temperature (T-T): -20 - 60 °C
• Operating relative humidity (H-H): 10 - 80%
• Storage relative humidity (H-H): 5 - 90%
• Operating altitude: 0 - 5000 m
• Non-operating altitude: 0 - 12192 m
• Width (with stand): 946.6 mm
• Depth (with stand): 252.8 mm
• Height (with stand): 472.3 mm
• Weight (with stand): 11.7 kg
• Width (without stand): 946.6 mm
• Depth (without stand): 108 mm
• Height (without stand): 419.1 mm
• Weight (without stand): 8.35 kg
• Bezel width (side): 1.13 cm
• Bezel width (top): 1.13 cm
• Bezel width (bottom): 1.58 cm
• Stand included: Yes
• Cables included: AC, DisplayPort, HDMI, Thunderbolt, USB Type-A to USB Type-C
• Quick start guide: Yes
• DisplayPort cable length: 1.8 m
• HDMI cable length: 1.8 m
• Sustainability certificates: ENERGY STAR, TCO
• Doesn't contain: PVC/BFR
• Total carbon footprint (kg of CO2e): 480
• Carbon emissions, manufacturing (kg of CO2e): 196.8
• Carbon emissions, logistics (kg of CO2e): 35.52
• Carbon emissions, energy usage (kg of CO2e): 192.48
• Carbon emissions, end-of-life (kg of CO2e): 55.2
• PAIA version: GaBi version 1, 2024
• Picture-by-Picture (PbP): Yes
• Heavy metals free: Hg (mercury)
• Automatic brightness control: Yes
• Compliance certificates: RoHS
• Ethernet LAN data rates: 2500 Mbit/s
• Dell Display Manager (DDM) compatibility: Yes