

Technical Specification
Product: Dell UltraSharp 52 Thunderbolt Hub Curved Monitor - U5226KW
Display diagonal: 132.1 cm (52")
Curvature: 4200R
Display resolution: 6144 x 2560 pixels @ 120Hz
HD type: 6K
Backlight technology: LED
Panel technology: In-plane Switching (IPS) Black Technology
Response time: 5ms GTG (Fast), 8ms GTG
Native aspect ratio: 21:9
Brightness: 400 cd/m2
Native contrast ratio: 2,000:1
HDMI Feature Support: Variable Refresh Rate (VRR)
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
VESA mounting
- 100 x 100mm
- 200 x 100mm
- 200 x 200mm
Stand adjustments: Height, Tilt, Slant, Swivel
Maximum adjustable height: 90 mm
Tilt angle: -5° to 20°
Slant angle: -2°/2°
Swivel angle: -20° to 20°
Built-in Devices
- USB Hub
- KVM Switch
Power delivery
- 140 W (Thunderbolt 4)
- 27 W (USB Type-C)
Product colour: Platinum Silver
Weight: 18.23 kg
Warranty: 3-year Advanced Exchange
Ports and slots
- Security lock slot
- Power connector
- 2x HDMI 2.1 port
- 2x DisplayPort 1.4 port (in)
- 1x Thunderbolt 4 upstream (Video + Data). Alternate mode with DisplayPort 1.4, Power Delivery up to 140W EPR
- 3x USB-C 10Gbps upstream port (data only)
- 4x Super speed USB 10Gbps port
- RJ45 Ethernet port, 2.5GbE
- Stand lock
- 2x USB-C 10Gbps downstream port with power charging (27W)
- USB Type-A 10Gbps downstream port with BC1.2 power charging
- Built-in speakers
Key Features
- Internal Multi-Stream Transport (iMST)
- Anti-glare
- Low Reflection
- Eye Comfort Technology
- Low Blue Light
- Flicker-free
- Colour Calibration
- Security Lock
- Cable Lock Slot
- Ambient Light Sensor
- Picture by Picture
- Picture in Picture
- Arsenic-free Glass
- Mercury-free
- BFR Free
- PVC Free

Unlock unparalleled productivity with this 6K ultrawide monitor designed for seamless multitasking, superior visual clarity, and all-day eye comfort.
Features
World's first 52-inch 6K monitor
Revolutionise your workspace by replacing a multiple monitor setup with an ultrawide monitor, available exclusively at Dell.
Enjoy seamless multitasking, superior visual clarity, and all day eye comfort while reducing desk clutter.
Expand your view
Experience breathtaking clarity on a curved screen with a cinematic 21:9 aspect ratio, 129 pixels per inch, and IPS Black technology for exceptional detail and deeper contrast.
World's best eye comfort
This monitor is TÜV 5-star certified for eye comfort, featuring category one hardware low blue light certification.
Reduces blue light
The world’s first monitor to achieve TÜV category one hardware low blue light certification, reducing harmful blue light emissions to ≤20% for all day eye comfort without sacrificing colour accuracy. This is up to 60% less exposure than competitors.
Adapts to your environment
A built-in Ambient Light Sensor intelligently adjusts brightness and colour temperature to suit your surroundings, delivering consistent comfort day or night.
Smoother visual experience
Enjoy less flicker and seamless scrolling with a 120Hz refresh rate, creating smoother motion.
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Low reflectance panel
The low reflectance panel reduces glare from outside light sources and improves screen contrast.
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Exceptional contrast and accurate colour
IPS Black panel technology delivers a 2000:1 contrast ratio for deeper blacks, while 99% DCI-P3 and Display P3 colour coverage with Delta E <1.5 ensure vivid, precise colour.
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Streamline your productivity
Seamless multitasking
Multitask effortlessly on the world’s first monitor to implement Picture-by-Picture (PbP) with Screen Partition. Connect to two PCs simultaneously and display content across four unique partitions. No external hardware needed.
Connect up to four PCs
Picture-by-Picture (PbP) lets you view content from multiple PCs on one screen. The KVM (Keyboard, Video, Mouse) and Auto KVM features empower you to control them with a single keyboard and mouse.
Lightning-fast efficiency
With a variety of connectivity options, easily connect your peripherals to optimise your workspace and boost productivity.
Thunderbolt 4
Power your devices with a single cable connection with up to 140W EPR (Extended Power Range) enabled by Thunderbolt 4.
Extensive connectivity
Connect all your devices with a multitude of ports, including a pop-out quick access module featuring two USB-C ports (up to 27W power delivery) and one USB-A port.
Stable connection
Connect to the Ethernet with a built-in RJ45 port with up to 2.5GbE. The Ethernet Switch mode feature gives you the flexibility to lock the wired Ethernet to a chosen PC while continuing to share one set of peripherals to control multiple PCs.
Works seamlessly with devices on macOS®*
Tested with devices on macOS, this Thunderbolt monitor with Display P3 colour is your ideal Mac® devices companion for superb colour coverage and accuracy. Daisy chaining multiple displays via a single cable requires Thunderbolt connectivity. Please check your device for compatibility, as select M-series chips may not support some features. Install Dell Display and Peripheral Manager application to customise advance settings.
- Based on internal testing of Dell monitors connected to devices on macOS via Thunderbolt, June 2024. Some features may not be supported.*
Dell Display and Peripheral Manager
Experience Dell’s singular, innovative application to optimise the performance of your entire Dell PC workspace.
Maximise productivity
Easy Arrange tiles apps across screens with pre-set partitions and customises up to five windows, enhancing multitasking. Easy Arrange Memory saves and restores app profiles manually, on schedule, or at start-up.
Easy navigation
Control and work across multiple network or USB connected PCs and monitors with a single keyboard and mouse, seamlessly transferring files between them.
More manageable
Save time and boost IT efficiency with the Dell Device Management Console to manage your Dell peripheral fleet at scale, from a single cloud-based console. Discover expanded Command Line Interface features from Dell Display and Peripheral Manager.
- Disclaimer: Screen image simulated for illustrative purposes only. Monitor model may vary.