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- LG UltraFine 5K WUHD Curved Monitor 40inch – 40U990A-W
LG
LG UltraFine 5K WUHD Curved Monitor 40inch – 40U990A-W
- World’s first 5K2K monitor with Thunderbolt 5 for pro-level performance
- See sharper, work smarter—5K2K clarity for design, editing, and visual precision
- A wide 5K2K display built for creative precision and focused workflows
- Nano IPS Black and HDR 600 deliver deep blacks, vivid color, and contrast
- From bold to subtle, up to 99% DCI-P3 ensures impeccable color in every project
- 2000:1 contrast ratio delivers deeper blacks and remarkable visual depth
Inclusive of VAT
- Warranty 1 Year
Key Information
- Color: White
- Discover the big, bold panoramic views that curved screens deliverType: Curved Monitor
- Aspect Ratio: 21:09
- Resolution: 5120 x 2160
- The amount of light projected by the monitor - a higher value offers more beautiful and clear pictures.Brightness: 450 cd/m2
- The maximum viewing angle to watch the images on the screen. A larger angle would make it easier for multiple people to watch the screenViewing Angle: 178˚(R/L), 178˚(U/D)
Details
Experience unparalleled clarity with the LG UltraFine 40U990A-W monitor. Its expansive 39.7-inch 5K2K WUHD Nano IPS Black display offers vibrant colors and deep contrasts, making it ideal for creative professionals. The monitor features Thunderbolt 5 connectivity, enabling high-speed data transfer and efficient multitasking. With an integrated KVM switch, it allows seamless control of multiple systems. The ergonomic stand ensures comfortable viewing, enhancing productivity for extended work sessions.
The World’s First 5K2K Monitor with Thunderbolt
The LG UltraFine 40U990A is the world’s first 5K2K widescreen monitor with Thunderbolt 51, delivering ultra-fast data transfer, 96W charging, and dual display support. The monitor’s 40” curved (2500R), Nano IPS Black panel offers brilliant color, and spectacular contrast – a new go-to display for creators, multritaskers and gamers.
5K2K Means More Pixels for More Creative Control
The 5K2K (5120×2160) Nano IPS Black display offers 33% more pixels than standard 4K UHD, delivering ultra-wide resolution, vivid color, and razor-sharp detail—creating a spacious, precise workspace ideal for video editing, graphic design, photography, and color-critical tasks.
Built for creators. Ready for professionals.
Built for creative flow, the UltraFine 5K2K screen makes it easy to work across complex timelines, layered interfaces, and multiple windows—ideal for editing, producing, and programming.
VESA DisplayHDR 600 Meets Nano IPS Black Brilliance
VESA DisplayHDR 600 and Nano IPS Black combine to deliver deep blacks, vivid highlights, and cinematic color—ideal for creators who need precision in light, shadow, and texture.
Up to 99% DCI-P3 Color Brilliance for Visual Pros
With up to 99% DCI-P3 color gamut coverage, this UltraFine display delivers bold, vibrant color across a wide spectrum—ideal for impactful video, photo, and design work in print, digital, and broadcast formats.
2000:1 Contrast for Stunning Visual Depth
Nano IPS Black enhances contrast to 2000:1, revealing richer shadows, deeper blacks, and sharper detail—perfect for bold color, improved depth, and edge-to-edge consistency.
5K2K Production Powered by Thunderbolt
Thunderbolt 5 supports commercial-level video, film, and game production with faster data transfer, 96W charging, and seamless 5K2K output—all through a single, stable, high-speed cable.
Daisy Chain Enhances Multitasking Efficiency
Daisy chain two monitors and a laptop via Thunderbolt 5 and DisplayPort—simplifying your workspace while expanding screen space for multitasking, content creation, or focused productivity.
Versatile Ports for Limitless Possibilities
Thunderbolt 5, HDMI 2.1 (x2), DisplayPort 2.1 (UHBR 13.5) and USB-C let you connect laptops, cameras, and drives—no adapters needed. Enjoy stable, streamlined performance across creative, gaming, or professional workflows.
Dual Speakers. Deep, Immersive Sound.
Let the action surround you with dual speakers and Rich Bass—delivering deeper, fuller sound that enhances cinematic scenes.
FreeSync Premium Smooths Every Frame
FreeSync Premium keeps motion smooth and responsive, reducing screen tearing and stutter while mixing audio, gaming, or reviewing high-resolution video.
Personalized Your Display with Switch App
Easily customize image settings, split your screen into 11 layouts, and launch video calls instantly with the LG Switch App—streamlining your setup for productivity and entertainment.
Designed for Comfort and Focus
The narrow bezeled, 3-sided virtually borderless design and compact L-stand save space and reduce distractions, while tilt, height, and swivel adjustments support comfort and focus during long creative sessions.
Product Specifications
- MainColor FamilyWhiteBrandLGColorWhiteModel Number40U990A-W
- GeneralTypeCurved Monitor
- DisplayDisplay TypeIPSAspect Ratio21:09Resolution5120 x 2160Pixel Pitch0.1815 x 0.1815 mmBrightness450 cd/m2Contrast Ratio2000:1Viewing Angle178˚(R/L), 178˚(U/D)Response Time5ms (GtG at Faster)
- ConnectivityUSB4HDMI2Headphone Jack4-Pole(Sound + Mic)Display Port1
- PowerInput Voltage100 - 240 VoltsPower Consumption (off-mode)Less than 0.3 WattsPower Save/Sleep Mode(Max)Less than 1.2 Watts
- PhysicalDimensions (with Stand)614.68 x 947.42 x 259.08 mmDimensions (without Stand)419.10 x 947.42 x 106.68 mm
- WeightPackage Weight17.78 kgWeight14.11 kg
- DimensionsDepth259.08 mmHeight947.42 mmWidth259.08 mmPackage Depth200.7 mmPackage Height533.4 mmPackage Width1206.5 mm
