Monitor Dell 42.5

Monitor Dell 42.5" (U4320Q) UltraSharp 4K USB-C 60Hz (Black)

  • Diagonal Size 42.51 inches
  • Aspect Ratio 16:09
  • Contrast Ratio 1000 to 1 (typical)
  • Brightness 350 cd/m2 (typical)
  • Response Time 5 ms gray to gray in Fast mode / 8 ms gray to gray in Normal mode
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The only display you need

The only display you need

More ways to see it all: Picture-by-Picture (PBP) enables a comprehensive view of your work by displaying content from up to four different PCs onto one screen. It also includes five easy-to-use templates.

Exceptional details: 4K UHD resolution and a high pixel density of 103ppi shows your work in striking clarity.

TOutstanding color: Experience smooth color gradation and precision across more shades with a high color depth of 1.07 billion colors.

Thoughtfully designed

Thoughtfully designed

Fully adaptable: The world’s first height adjustable 42.5-inch 4K monitor1 lets you tilt, swivel and adjust to your specifications. Align it to a multi-monitor setup for an even wider view.

The space to perform: Save valuable desk space thanks to the small monitor base.

Easy on the eyes: Your display is designed for greater comfort under long work days. It includes a Flicker-free screen and ComfortView, a feature that reduces up to 60% of harmful blue light emissions2.

Powerful connections

Charge ahead: USB-C connectivity delivers up to 90W of power, which is the highest power delivery available in a 42.5" 4K monitor3

More accessible: Conveniently placed USB ports are located at the side of the monitor for quick connectivity.

Collaboration made easy:: HDMI-CEC enables convenient supportability with key Zoom Room features, like scheduling operating hours and manual on/off.

Powerful Connections

Improved Dell Display Manager

Improved Dell Display Manager

Productive at every level: Dell Display Manager's (DDM) Easy Arrange feature lets you conveniently tile and view your applications for multitasking efficiency. And with the improved DDM, you'll get even more preset layouts.

Seamless transitions: The auto-restore feature remembers where you left off, so applications will go back to where you left them, even after you’ve unplugged.

The key to convenience: Shortcut keys can save you even more time, letting you easily configure your display management settings so you can get to work faster.

More ways to manage: Asset management reports allow IT managers to quickly capture and track monitor information as well as configure multiple monitors at once through a single setup.

Connectivity Options

Connectivity Options

Ports & Slots: 1. AC Power Port | 2. Security Lock Slot | 3. HDMI 1 Port | 4. HDMI 2 Port | 5. DP 1 Port | 6. DP 2 Port | 7. USB Type-C/Display Port | 8. Audio Line-out Port | 9. USB Type-A Ports (2) | 10. Stand Lock | 11. USB Downstream Port | 12. USB Type-C Downstream Port

Cables Included: 1. Power Cable (varies by country) | 2. USB Type-C Cable (C to C) | 3. USB Type-C Cable (C to A) | 4. HDMI Cable | 5. DP Cable | 6. VESA Mounting Kit

Peace of mind, guaranteed

Our products are engineered with care and precision, so we guarantee support and peace of mind.
A brand you can rely on

A brand you can rely on
As the No. 1 monitor company worldwide4, we take pride in our unyielding commitment to quality and the utmost customer satisfaction.
Premium Panel Exchange

Premium Panel Exchange
Our Dell Premium Panel Exchange allows a free monitor replacement during the Limited Hardware Warranty5 period even if only one bright pixel is found.
Advanced Exchange Service
Advanced Exchange Service
Your monitor comes with a 3-year Advanced Exchange Service6 so that if a replacement becomes necessary, it will be shipped to you the next business day during your 3-year Limited Hardware Warranty 5. Upgrade to 24x7 specialized technical phone support with Dell ProSupport option.7


Diagonally Viewable Size:94.18 cm
42.51 inchesPreset Display Area (H x V)941.18 mm x 529.42 mm
37.05" x 20.84"
498279.5 sq-mm (772.12 sq-inches)
Maximum Preset Resolution3840 x2160 @ 60HzAspect Ratio16:9Pixel Pitch0.2451 mm x 0.2451 mmPixel Per Inch (PPI)103.23Brightness350 cd/m2 (typical)Color Support"96% sRGB
Color Depth: 1.06 billion colorsContrast Ratio1000 to 1 (typical)Viewing Angle178° vertical / 178° horizontalResponse Time5 ms gray to gray in Fast mode8 ms gray to gray in Normal modePanel Type:In-Plane switching TechnologyDisplay Screen CoatingAnti-glare treatment of the frontpolarizer (3H) hard coatingBacklight Technology:LEDDell Display Manager CompatibilityYes , Easy Arrange, Other key featuresAudio Output1 x Audio line-out8


1 x DP 1.4 (HDCP 2.2)
2 x HDMI 2.0
1 x USB Type-C ( Alternate Mode with Display Port 1.4, USB, 3.1 Upstream Port, Power Delivery upto 90W)
1 x Analog 2.0 Audio Line out ( 3.5 mm Jack)
2 x USB A , USB 3.1 Gen 1 ( 5 Gbps)
1 x USB 3.1 with B.C charging Adaptability of 2 A ( Max)
1 x USB Type-C Downstream( 15W), USB 3.1 Gen 1 (5 Mbps)

Design Features

AdjustabilityHeight adjustable (60 mm)
Tilt (-5° to 10°)
Swivel (-20° to 20°)
PbP / PiPPbP (Yes) - 5 Preset Layouts
PiP (Yes)Daisy Chain AvailabilityNoSecuritySecurity lock slot (cable lock sold separately)Anti-theft stand lock slot (to lock stand to monitor using screw)Flat Panel Mount InterfaceVESA mounting holes (100 mm x 100 mm -behind attached VESA cover)

Size and Weight

Dimensions (with stand):Height with stand (Compressed ~ Extended):595.2 mm ~ 655.2 mm
23.43" ~ 25.80"Width with stand:967.2 mm (38.08")Depth with stand: 249.0 mm (9.80")
Height without stand:564.4mm (22.22")Width without stand:967.2 mm (38.08")Depth without stand:59.0 mm (2.30")
Weight:Weight (panel only - for VESA mount):13.2 kg (29.10 lb)Weight (with stand assembly and cables): 17.6 kg (38.80 lb )Weight (with packaging):25.6 kg (56.44 lb)


Voltage Required100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz / 3.3 A (maximum)
Power Consumption (Operational)75 W (typical)
260 W (maximum)9
Power Consumption Stand by/SleepLess than 0.5WTemperature RangeOperating: 0°C to 40°C (32°F to 104°F)
Non-operating: –20°C to 60°C (–4°F to 140°F)Humidity RangeOperating: 10% to 90% (non-condensing)
Non-Operating: 5% to 90% (non-condensing)AltitudeOperating: 5000 m (16,0404 ft) max
Non-Operating: 12,192 m (40,000 ft) max


What's in the Box

Monitor, Stand Riser, Stand Base

1 x Power cable

1 x Type-C ( C-C cable)

1 x HDMI Cable

1 x DP Cable (DP to DP)

1 x USB Type -C to Type A cable

VESA mounting Kit

Quick setup guide

Safety, Environmental and Regulatory Information

Factory Calibration Report