LG UltraFine™ 40-inch Nano IPS Black 5K2K with Thunderbolt™ 5

40U990A-W

Rear side view with screen tilted upward

USP card: VESA certified Display HDR 600

Key Features

Nano IPS Black
5K2K 5120x2160
DisplayHDR True Black 600
Thunderbolt™ 5

Display Compatibility Usability

World's first Thunderbolt™5 5K2K Display* Engineered for Precision

Front view of UltraFine monitor with a girl's image in it showing how colour is shown accurately on it.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*https://www.thunderbolttechnology.net/products

5 different images with text implying UltraFine's key features

5K2K Display.
Sharper, wider, clearer.

The 5K2K Nano IPS1) Black display (5120x2160) offers 33% more pixels2) than standard 4K UHD (3840x2160), providing a wider canvas to view more content and reducing the need to switch between programs. Its high resolution delivers razor-sharp images and precise detail, making it suitable for professional video editing, graphic design, and any visual work where accuracy is critical. The vivid clarity allows you to spot even the fine details without constant zooming or panning.

A video clip shows 5K2K display's wideness by comparing with 4K UHD's screen size.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

1) Nano IPS is an advanced IPS technology that uses nanometer-sized particles on the screen's LED.

2) The total number of pixels was calculated by multiplying the horizontal and vertical resolutions, resulting in 8.29 million pixels for 4K UHD and 11.05 million pixels for 5K2K.

Professional display.
Professional performance.

For tasks like colour grading, music production, and coding, the 40-inch 5K2K display provides the clarity and screen area needed for focus and precision.

In a dark room with blue and violet lighting a UltraFine monitor stands with recording program on it. On the desk where it stands a keyboard, tablet, headphone and other accessories are placed.

Professional display.
Professional performance.

For tasks like colour grading, music production, and coding, the 40-inch 5K2K display provides the clarity and screen area needed for focus and precision.

A guy is working with a video-creating program on UltraFine Monitor.

Professional display.
Professional performance.

For tasks like colour grading, music production, and coding, the 40-inch 5K2K display provides the clarity and screen area needed for focus and precision.

A guy is working with design program on UltraFine Monitor. A camera is placed next to the monitor.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

Nano IPS* Black

Nano IPS Black technology controls light to deliver deeper blacks for cinematic clarity.

DCI-P3 99%

Accurate and vibrant colour gamut ideal for video editing and photo retouching naturally.

VESA DisplayHDR™ 600

Certified to VESA DisplayHDR™ 600 standards, it enhances brightness and colour accuracy to deliver more lifelike visuals.

2000:1 Contrast

A high contrast ratio deepens shadows and refines highlights, even in varying lighting conditions.

*Nano IPS is an advanced IPS technology that uses nanometer-sized particles on the screen's LED.

Front view of UltraFine monitor with a girl's image in it showing how color is shown accurately on it.

Every colour nuance, fully realized

VESA DisplayHDR™ 600 offers bright highlights, deep shadows, and accurate colour representation for creative professionals. It enhances textures, elements, and natural interplay of light and shadow.

*Images have been simulated to enhance feature understanding and may differ from actual experience.

The full spectrum of colours you imagined

99% (Typ.) of the DCI-P3 colour gamut delivers a 25% wider colour gamut than sRGB, covering nearly all the colours used in print, digital, and broadcast content. From vivid to subtle shades, accurate colour reproduction, enabling a realistic video, photo output.

A full-size screen image with designing program showing vibrant colours.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*Brightness: 450nits (Typ.), Colour Gamut: DCI-P3 99% (Typ.)

*Nano IPS is an advanced IPS technology that uses nanometer-sized particles on the screen's LED.

A black&white image of a mountain with 2000:1 contrast ratio to show deeper black color than 1000:1 ratio.

Contrast 2000:1

A black&white image of a mountain with 1000:1 contrast ratio to show its black color expression compared to that of 2000:1 contrast ratio.

Contrast 1000:1

*The images simulated to enhance feature understanding. It may differ from actual use.

*Nano IPS is an advanced IPS technology that uses nanometer-sized particles on the screen's LED.

2000:1 deeper black and rich shadows

Because contrast ratio impacts accurate colour representation, Nano IPS Black enhances the contrast ratio from the standard IPS 1000:1 to 2000:1—delivering vibrant colours and sharper detail in objects, shadows, and backgrounds. Experience deeper blacks and richer shadows that remain consistent colour expression on the screen from edge to edge, and a heightened sense of realism that conveys your visual outputs naturally.

Protect your eyes,
perserve every detail

This display is verified with TÜV Rheinland's 5-Star Eye Comfort rating: new eye comfort 3.0, meeting the high standards for eye comfort. It features a high refresh rate, accurate colour reproduction, and built-in low blue light technology that combines RGB hardware and software adjustments to reduce harmful emissions without compromising colour.

*TÜV Rheinland certification ID (Eye Comfort): 1111298743

*The images simulated to enhance feature understanding.

World's first Thunderbolt™5 5K2K Display**

Thunderbolt™ 5 enables the production of commercial outputs such as documentary videos, movies, and game titles on an outstanding 5K2K display. It also offers data transfers that are twice as fast to connected devices compared to Thunderbolt™ 4 and allows for charging your laptop (up to 96W) through a single cable, ensuring stability, scalability, and security.

2x Faster* Transfer

(Up to to 80 Gbps）

96W Power Delivery

5K2K Display

A UltraFine monitor is placed with program screen on it beside a smaller monitor, a PC and a storage, connected with cables showing its multi-connectivity.

**https://www.thunderbolttechnology.net/products

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*To work properly, the Thunderbolt 5 cable included in this package is required to connect the Thunderbolt 5 port to the monitor.

*To access all features including 96W charging and 5120×2160 @120Hz output, your device must support Thunderbolt 5 or DisplayPort 2.1.

*DP, HDMI, USB-C and Thunderbolt cables are included in the package.

※ Note ※

1. Windows:Display may not work properly depending on the Intel processor and Windows OS version.

*Minimum requirements: Intel 12th Gen or later, Windows 11 or later.

2. macOS:Display may not work properly on non-Apple Silicon devices depending on the macOS version.

*Minimum requirements: macOS Sequoia (version 15) or later.

The Productive Workstation

Thunderbolt™ 5 and DisplayPort support 5K2K Daisy Chain for streamlined setup. So you can connect two monitors and a laptop for enhanced productivity.

Two UltraFine monitors are placed side by side, connecting to one another with a laptop. The workstation shows how seemlessly the whole devices are connected.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*DPx1, HDMIx1, USB-Cx1, Power cordx1 and Thunderboltx1 cables are included in the package.

Close-up image of UltraFine monitor's ports to show the various cable connectivity it has.

Multiple setups with multiple ports

Connect your laptop, camera, tablet, or external storages through versatile ports including Thunderbolt™ 5, HDMI 2.1, and USB-C. Get smooth and stable performance without extra adapters or splitters.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

A UltraFine monitor is placed in a virtual space with soundwaves coming from the bottom part of the monitor moving forward. On the screen a woman in a red-space-suit is facing forward.

Feel every beat and scene

Dive into your content and let the action surround you. Dual 10W built-in speakers with Rich Bass and AMD FreeSync technology brings every scene to play with deeper sound and smoother visuals.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

AMD FreeSync Premium

With FreeSync Premium technology, it helps achieve seamless, fluid movement when mixing sound while reviewing fast-paced games or high-resolution movies by reducing screen tearing and stuttering.

Switch swiftly for creating

LG Switch app optimizes your monitor for both work and play. Effortlessly customize your preferred image quality and brightness with personlized picture wizard. Plus, you can split the display into 11 options and quickly launch your video call platform, making it even more convenient.

LG Switch app's Personalized Picture Wizard setting video

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.

*To download the latest version of the LG Switch app, visit LG.com.

Clutter-free, slim design

A virtually borderless 3-sided design with the clutter-free L-stand, paired with a fully adjustable base for swivel, tilt and height adjustments. It is crafted to save desk space, making your workflow efficient and also can help you stay focused longer while editing video clips and retouching various photos.