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LG UltraFine 40U990A-W 39.7" 21:9 5K2K WUHD 120Hz Curved Thunderbolt 5 Hub Nano IPS LED HDR Monitor, White

SKU: LG40U990AW MFR: 40U990A-W
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Key Features

  • Immerse yourself in stunning detail with a 39.7" 5K2K WUHD resolution for unparalleled clarity.
  • Experience fluid motion and reduced blur with a rapid 120Hz refresh rate, perfect for gaming and fast-paced visuals.
  • Enjoy true-to-life colors and wide viewing angles thanks to the advanced Nano IPS panel technology.
  • Boost your productivity with a 21:9 aspect ratio and curved 2500R design for an expansive, immersive workspace.
  • Simplify your setup with versatile connectivity, including Thunderbolt 4, USB-C, HDMI, and DisplayPort 2.1.
  • Achieve professional-grade color accuracy with DCI-P3 99% coverage and factory color calibration for stunning visuals.
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Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

LG 40U990A-W Specifications

Display

Display

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  • Size

    39.7" (100.8cm)

  • Aspect Ratio

    21:9

  • Panel Type

    IPS Black LED

  • Response Time

    5ms (GtG at Faster)

  • Resolution

    5K2K WUHD 5120 x 2160

  • Pixel Pitch

    0.1815 x 0.1815mm

  • Color Depth (Number of Colors)

    1.06B

  • Viewing Angle (CR>=10)

    178 Degree (R/L), 178 Degree (U/D)

  • Brightness

    450 cd/sq. m (Typ.)
    360 cd/sq. m (Min.)

  • Contrast Ratio

    2000:1 (Typ.)
    1400:1 (Min.)

  • Color Gamut

    Typical: DCI-P3 99% (CIE1976)
    Minimum: DCI-P3 95% (CIE1976)

  • Curvature

    2500R

  • Refresh Rate

    120Hz (Max.)

Connectivity

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  • Built-in KVM

    Yes

  • HDMI

    Yes (2ea)

  • Daisy Chain

    Yes (UHD/120Hz)

  • DisplayPort

    Yes (1ea)

  • DP Version

    2.1 (UHBR 13.5)

  • Thunderbolt

    Yes (In 1ea/Out 1ea)

  • USB-C

    Yes (1Up/4Down)

  • Headphone out

    4-pole (Mic + Sound)

  • LAN (RJ-45)

    Yes

  • Thunderbolt (Data Transmission)

    Yes

  • Thunderbolt (Power Delivery)

    96W

  • USB Downstream Port

    USB-C 4EA (15W 1EA, 4.5W 3EA) 10Gbps
    USB-A 2EA 10Gbps

  • USB Upstream Port

    Yes (via Thunderbolt & USB-C 10Gbps)

  • USB-C (Data Transmission)

    Yes

Features

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  • HDR 10

    Yes

  • AMD FreeSync

    FreeSync Premium

  • Auto Brightness

    Yes

  • Color Weakness

    Yes

  • Smart Energy Saving

    Yes

  • Color Calibrated in Factory

    Yes

  • PIP

    Yes

  • PBP

    Yes (2PBP)

  • Flicker Safe

    Yes

  • HW Calibration

    HW Calibration Ready

  • Dynamic Action Sync

    Yes

  • Black Stabilizer

    Yes

  • Reader Mode

    Yes

  • VRR

    Yes

  • Super Resolution+

    Yes

  • VESA DisplayHDR

    DisplayHDR 600

  • Nano IPS Technology

    Yes

  • User Defined Key

    Yes

  • Auto Input Switch

    Yes

  • HDR Effect

    Yes

Mechanical

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  • Display Position Adjustments

    Tilt/Height/Swivel

  • Wall Mountable

    100 x 100mm

  • Rich Bass

    Yes

  • Speaker

    2x 10W

  • Power Consumption

    Less than 1.2W (Sleep Mode)
    45W (Typ.)
    Less than 0.3W (DC Off)

  • AC Input

    100-240V (50/60Hz)

  • Type

    Built-in Power

SW Application

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  • Dual Controller

    Yes

  • LG Calibration Studio (True Color Pro)

    Yes

Physical

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  • Color

    White

  • Dimensions (W x H x D)

    With Stand: 37.3 x 24.2 x 10.2" (947.7 x 614.3 x 260mm)
    Without Stand: 37.3 x 16.53 x 4.18" (947.7 x 419.8 x 106.3mm)

  • Weight

    With Stand: 31.09 lbs (14.1kg)
    Without Stand: 20.28 lbs (9.2kg)

  • UPC Code

    195174122365

About LG 40U990A-W

The World's First 5K2K Monitor with Thunderbolt 5
The LG UltraFine 40U990A is the world-s first 5K2K widescreen monitor with Thunderbolt 5, delivering ultra-fast data transfer, 96W charging, and dual display support. The monitor's 39.7" curved (2500R), Nano IPS Black panel offers brilliant color, and spectacular contrast - a new go-to display for creators, multitaskers and gamers.

Sharper 5K2K Details on a Wide Creative Canvas
The 5K2K (5120x2160) Nano IPS Black display offers ultra-wide resolution, vivid color, and razor-sharp detail-providing a spacious, precise workspace ideal for video editing, graphic design, photography, and color-critical creative 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 5
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.

LG 40U990A-W Features

  • 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
  • Thunderbolt 5 powers fast, stable 5K2K production with 96W charging
  • Connect two monitors and a laptop with a clean, single-cable daisy chain setup

Key Features

  • Immerse yourself in stunning detail with a 39.7" 5K2K WUHD resolution for unparalleled clarity.
  • Experience fluid motion and reduced blur with a rapid 120Hz refresh rate, perfect for gaming and fast-paced visuals.
  • Enjoy true-to-life colors and wide viewing angles thanks to the advanced Nano IPS panel technology.
  • Boost your productivity with a 21:9 aspect ratio and curved 2500R design for an expansive, immersive workspace.
  • Simplify your setup with versatile connectivity, including Thunderbolt 4, USB-C, HDMI, and DisplayPort 2.1.
  • Achieve professional-grade color accuracy with DCI-P3 99% coverage and factory color calibration for stunning visuals.

What's in the box:

  • LG UltraFine 40U990A-W 39.7" 21:9 5K2K WUHD 120Hz Curved Thunderbolt Hub Nano IPS LED HDR Monitor (White)
  • Power Cable
  • DisplayPort Cable
  • HDMI Cable
  • Thunderbolt Cable
  • USB-C Cable
  • LG 3 Year Limited Warranty