Price: ~~$399.99~~ - $1,579.00
(as of Oct 10,2025 03:37:12 UTC – Details)

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Dell UltraSharp 40 Curved Thunderbolt Hub Monitor Elevate your performance with a 40-inch curved Thunderbolt hub monitor featuring a stunning 5K display and a 120Hz refresh rate.

Product Feature
World’s first 40″ 5K monitor certified for 5-Star Eye Comfort
Every aspect of your work springs to life on this curved 5K monitor featuring a 120Hz refresh rate. You’ll never miss a single detail.

Smoother visual experience
A 120Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion than 60Hz monitors.

Ambient Light Sensor
A built-in Ambient Light Sensor intelligently optimizes brightness and color temperature based on your surroundings.

Improved ComfortView Plus
Our latest monitors reduce harmful blue light emissions to ≤35%, compared to ≤50% from the previous generation, for all-day eye comfort without sacrificing color accuracy.

See more detail than ever before?
5K
See every detail with complete clarity on a 5K resolution monitor.
99%
DCI-P3 and Display P3 color coverage.

IPS Black
Experience deeper blacks with a 2000:1 contrast ratio.

Internal Multi-Stream Transport (iMST)
Partition your display as if there were two 2560×2160 physical monitors instead of one. No external software or DisplayPort splitter needed.

Connect with ease

Thunderbolt 4
Power your devices with a single cable connection with up to 140W EPR (Extended Power Range) power delivery.

Extensive connectivity

Connect all your devices with over a dozen ports, including pop-out quick access ports.
Stay online
Connect to the Ethernet with a built-in RJ45 port with up to 2.5GbE.

Works seamlessly with devices on macOS*
Tested with devices on macOS, this Thunderbolt monitor with P3 color is your ideal companion for Mac devices.
*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 optimize the performance of your entire Dell PC workspace.

Maximize productivity
Easy Arrange tiles apps across screens with pre-set partitions and customizes 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.

Dell Color Management
Customizable colors
Easily calibrate your monitor’s colors on the new Dell Color Management software, with Calman Verified certification.

Tailored to you
Create, store, and manage ICC profiles on your computer dynamically through the software dashboard.
Wide compatibility
Dell Color Management software is compatible with multiple operating systems including Windows and macOS.

Environmentally-forward thinking
Sustainable materials
This monitor is made with 50% recycled steel, 85% post-consumer recycled plastics including closed-loop plastics, 100% recycled aluminum and at least 20% recycled glass.

Packaging innovation
Ships in a box made with 100% renewable content that is also recyclable.

Energy conservation
Using PowerNap mode in Dell Display Manager lowers energy use by up to 14.8%.

Elevated standards
Meets highest environmental standards and registered EPEAT Gold with Climate+ designation – this monitor has met industry best practices for decarbonization.
DELL USA AUTHORIZED – Includes 2 YR Extended Protection in ADDITION to the Included FULL Manufacturer Protection
IMMERSIVE 5K2K CURVED DISPLAY – 40-inch ultrawide curved screen with 5K2K (5120 × 2160) resolution and 120Hz refresh rate delivers seamless motion, vibrant visuals, and maximum clarity.
CERTIFIED EYE COMFORT TECHNOLOGY – World’s first 40″ 5K2K monitor with 5-Star Eye Comfort certification; ComfortView Plus reduces harmful blue light emissions to ≤35% for all-day productivity.
VIVID COLORS AND DEEPER CONTRAST – 99% DCI-P3 and Display P3 coverage with IPS Black technology ensures accurate colors, deeper blacks, and a 2000:1 contrast ratio.
POWERFUL THUNDERBOLT 4 CONNECTIVITY – Single-cable solution with up to 140W extended power delivery for laptops, plus Ethernet RJ45 (2.5GbE), USB-C, and quick-access ports for seamless device connections.
ADVANCED MULTITASKING FEATURES – Internal Multi-Stream Transport (iMST) partitions the screen as if using dual monitors; Easy Arrange and Dell Peripheral Manager enhance workflow efficiency.
BUILT FOR MAC AND WINDOWS USERS – Optimized for macOS and Windows environments, making it ideal for creative professionals, multitaskers, and power users.
SUSTAINABLE AND ECO-CONSCIOUS DESIGN – Constructed with recycled steel, aluminum, plastics, and glass; ships in 100% renewable packaging; EPEAT Gold Climate+ certified for reduced carbon impact.
IN THE BOX: Monitor | Stand Riser | Stand Base | Quick Setup Guide | Safety, Environmental and Regulatory Information | Factory Calibration Report | Dell 3 Year Limited Protection
BUNDLE INCLUDES: CPS 2 Year Extended Protection