Monitor Buying Guide: Find the Right Monitor to Meet Your Needs.
NOTE: Images may not be exact; please check specifications.
  • In Stock
  • Ships in 24-48 Hours

Display Size: 42.51 in Display Size: 42.51 in
Ordering Information
$978.95 
  • 42.51in LED backlight LED-backlit LED-backlit LCD monitor LED-backlit LCD monitor Display
  • 3840 x 2160 Resolution
  • DisplayPort, HDMI, 3.5mm audio, USB Type A, USB Type C, RJ-45, Power Connector(s)
  • Features: Dual speakers, Speakers Included
  • BFR-free, PVC-free, EPEAT Gold, RoHS Compliant
  • 1000:1 Contrast Ratio
Multiply your productivity with this 42.5'' monitor featuring multi-PC connectivity, 4 unique FHD partitions via iMST, ComfortView Plus and wired Ethernet.
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Dell UltraSharp 43 4K USB-C Hub Monitor - U4323QE

Multiply your productivity with this 42.5'' monitor featuring multi-PC connectivity, 4 unique FHD partitions via iMST, ComfortView Plus and wired Ethernet.
Designed for more

Meet the monitor designed for more. More seamless productivity. More connectivity than ever. More considerate 
of the environment.
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Quadruple view 0:10

Quadruple view

Conquer your tasks with up to four partitions


Expand your productivity by organizing your display in up to four unique FHD partitions via Internal Multi-Stream Transport (iMST) when connected to a single PC. No external software or DisplayPort splitter needed.

Connect up to four PCs

Master multitasking and collaboration


Work on four different PCs using a single keyboard and mouse. KVM and Auto KVM enable seamless switching from one PC input to another.


Share content from multiple PCs simultaneously in a huddle setup.
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Elevate your workspace

Quick-access ports:
Enjoy the convenience of front-facing, pop-out USB-A and USB-C (15W charging) ports to connect your peripherals. When you are done, just pop the ports back in to maintain a clean look.

Comprehensive connectivity:
Connect your devices to a single monitor through a whole range of ports, from HDMI to multiple USB-A and USB-C ports. Power your laptop with a single USB-C cable to transmit data, audio and video while delivering up to 90W of power. The RJ45 (1Gbps) provides a fast and stable network connection.
Adapted to you

Built for comfort:
Tilt, swivel, and adjust the monitor to your ideal height for a comfortable setup all day long. Clear sound 
is conveniently built in with integrated dual 8W speakers.


Jumpstart productivity:
Switch on your USB-C connected laptop at the push of a button with the power sync feature.

Excellent screen performance

Enjoy the view:
Experience clarity and definition with 4K resolution.


Easy on the eyes:
Optimize eye comfort with Comfort View Plus, reducing potentially harmful blue light while delivering excellent color accuracy.
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Improved Dell Display Manager

Modern Intuitive User Interface: New modern user interface for ease of use and personalization of features with Menu launcher. 

Productive at every level: Easy Arrange allows you to easily tile multiple applications across one or more screens with 49 pre-set window partitions and the ability to personalize up to five windows, giving you improved multitasking abilities. 

Stay updated: Get automatic notification anytime for new updates on monitor firmware and software. 

Optimize front of screen experience: Get uniform color experience from your monitor seamlessly by matching the color preset of the monitor and the supported ICC profile.

Easy setup and sharing of accessories: Setup a single keyboard and mouse to be shared easily between multiple PCs with USB KVM wizard. Quick access menu or hotkey allow convenient fast switching between PCs. 


Green thinking for today and tomorrow

Environmental standards: This monitor uses 85% PCR (Post-consumer Recyclable) plastic in the design, 90% recycled aluminum and meets the latest environmental standards such as EnergyStar® and EPEAT® Gold registered. 

Eco-conscious packaging: Designed with the environment in mind, Dell commercial monitors ship in select packaging components made with up to 90% recycled materials. 

Energy conservation: Save energy when your monitor’s not in use with PowerNap, a feature that dims or puts your monitor to sleep when it’s not in use. 

Advanced sustainability: Dell Technologies is committed to reducing environmental impact throughout the product lifecycle.

Connectivity options

Ports & Slots: 
1. Security lock slot (based on Kensington Security Slot™) 
2. Power connector 
3. HDMI port 1 
4. HDMI port 2 
5. DisplayPort 1 
6. DisplayPort 2 
7. USB-C upstream port 1 (Video + Data) 
8. Audio line-out port 
9. USB-C upstream port 2 (data only) 
10. USB-C upstream port 3 (data only) 
11. USB-C upstream port 4 (data only) 
12. 3 x SuperSpeed USB-A 10Gbps (USB 3.2 Gen 2)
13. RJ45 connector 
14. Stand lock 
15. Quick access USB port 1 - USB-C data port 
16. Quick access USB port 2 - SuperSpeed USB-A 10Gbps (USB 3.2 Gen 2) 
17. 2 x Speakers (8W)


Cables Included: 
1. Power cable 2. DisplayPort 1.80 m cable (DisplayPort to DisplayPort) 3. USB-A to USB-C Gen 2 cable 1.0 m (A to C) 4. USB-C Gen 2 PD 3.0 1.0 m cable 5. HDMI 1.80 m cable

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.
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