Dell 42.5" UltraSharp 4K USB-C Monitor 60Hz 5ms HDMI DP USB Type-C (U4320Q)

est. delivery in 2-4 days
Key Specifications
  • 2 x HDMI / DisplayPort / USB Type-C

  • 3840 x 2160 Resolution

  • 5ms Response Time / 60Hz

  • 2 x USB A, USB 3.1 Gen 1

  • 1 x USB 3.1 with B.C Charging

  • 1 x USB Type-C Downstream

  • USB 3.1 Gen 1 / 3.5 mm Jack

SKU:#051195 Warranty3 years onsite by Dell Product No.:LD-U4320Q Short link: See specifications from the manufacturer

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

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

Thoughtfully designed

Fully adaptable: The world’s first height adjustable 42.5-inch 4K monitor 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 emissions.

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 monitor.

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.

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.

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

As the No. 1 monitor company worldwide, we take pride in our unyielding commitment to quality and the utmost customer satisfaction.

Premium Panel Exchange

Dell Premium Panel Exchange allows a free monitor replacement during the Limited Hardware Warranty period, even if only one bright pixel is found.

Advanced Exchange Service

Your monitor comes with a 3-year Advanced Exchange Service so that if a replacement becomes necessary, it will be shipped to you the next business day during your 3-year Limited Hardware Warranty.Upgrade to 24x7 specialized technical phone support with the Dell ProSupport option.

Reliable and responsible

Designed with the environment in mind, this monitor meets regulatory and environmental standards such as ENERGY STAR®, EPEAT®i , RoHS and China Energy Label (CEL).

Streamline your work by viewing content from up to four PCs. A height adjustable stand and USB-C connectivity maximize comfort and productivity.


3 years onsite by Dell


Display diagonal108 cm (42.5")
Display resolution3840 x 2160 pixels
Native aspect ratio16:9
Panel typeIPS
Display brightness (typical)350 cd/m²
Response time8 ms
HD type4K Ultra HD
Display technologyLCD
Screen shapeFlat
Supported graphics resolutions640 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 (WXGA),1600 x 1200 (UXGA),1680 x 1050 (WSXGA+),1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2048 x 1080,2048 x 1152,2048 x 1280,2560 x 1440,3840 x 2160
Contrast ratio (typical)1000:1
Maximum refresh rate60 Hz
Viewing angle, horizontal178°
Viewing angle, vertical178°
Display number of colours1.06 billion colors
Backlight typeLED
Display surfaceMatt
Supported video modes480p,576p,720p,1080i,1080p,2160p
Response time (fast)5 ms
Pixel pitch0.2451 x 0.2451 mm
Pixel density103.23 ppi
Viewable size, horizontal94.1 cm
Viewable size, vertical52.9 cm
Display sRGBY
sRGB coverage (typical)96%


AMD FreeSyncN


Built-in speaker(s)N
Built-in cameraN


Market positioningGraphics design
Product colourBlack
Energy Star certifiedY
Front bezel colourBlack
Feet colourBlack
Heavy metals freeHg (mercury)
RoHS complianceY
Compliance industry standards- RoHS Compliant\n- TCO Certified Display\n- BFR/PVC Free ( Halogen-free) (excluding external cables)\n- Arsenic-Free glass and Mercury-Free for the panel only

Ports & interfaces

Built-in USB hubY
DVI portN
DisplayPorts quantity2
Audio inputN
Headphone outY
USB upstream port typeUSB Type-C
Number of upstream ports1
USB Type-A downstream ports quantity3
USB Type-C downstream ports quantity1
USB Type-C DisplayPort Alternate ModeY
HDMI ports quantity2
HDMI version2.0
DisplayPort version1.4
Audio outputY
Headphone outputs1
Headphone connectivity3.5 mm


VESA mountingY
Cable lock slotY
Height adjustmentY
Panel mounting interface100 x 100,200 x 200 mm
Height adjustment6 cm
Swivel angle range0 - 40°
Tilt adjustmentY
Tilt angle range-5 - 10°


Power consumption (typical)75 W
Power consumption (standby)0.5 W
Power consumption (off)0.5 W
AC input frequency50/60 Hz

Operational conditions

Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-20 - 60 °C
Operating relative humidity (H-H)10 - 90%
Storage relative humidity (H-H)5 - 90%
Operating altitude0 - 5000 m
Non-operating altitude0 - 12192 m

Weight & dimensions

Width967.2 mm
Depth59 mm
Height564.4 mm
Weight13.2 kg
Width (with stand)967.2 mm
Depth (with stand)249 mm
Height (with stand)655.2 mm
Weight (with stand)17.6 kg

Packaging data

Stand includedY
Cables includedAC,DisplayPort,HDMI,USB Type-C,USB Type-C to USB Type-A
Package weight25.6 kg

Other features

AC adapter includedY
Power consumption (max)260 W
TV tuner integratedN
Picture-by-Picture (PbP)Y
Quick start guideY
PVC freeY
BRF freeY
Don't forget the accessories