LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black 40U990A-W.AEK

General Information for LG Monitors

LG 40U990A-W, 100.8 cm (39.7"), 5120 x 2160 pixels, WUHD, LCD, Black

40U990A-W

The Worlds First 5K2K Monitor with Thunderbolt 5

The LG UltraFine 40U990A is the worlds first 5K2K widescreen monitor with Thunderbolt 5, 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 (5120x2160) Nano IPS Black display offers 33% more pixels than standard 4K UHD, delivering ultra-wide resolution, vivid color, and razor-sharp detailcreating 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 windowsideal 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 colorideal 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 spectrumideal 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 detailperfect 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 outputall through a single, stable, high-speed cable.

Daisy Chain Enhances Multitasking Efficiency

Daisy chain two monitors and a laptop via Thunderbolt 5 and DisplayPortsimplifying 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 drivesno 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 Bassdelivering 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 Appstreamlining 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. 40U990A-W

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40 Inch UltraFine 5K2K WUHD Nano IPS Black Monitor with Thunderbolt 5 PD 96W

LG 40U990A-W. Display diagonal: 100.8 cm (39.7"), Display resolution: 5120 x 2160 pixels, HD type: WUHD, Display technology: LCD, Native aspect ratio: 21:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). VESA mounting, Height adjustment. Product colour: Black

LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black 40U990A-W.AEK Specifications

Product Type Monitors Brand LG Collection Model LG 40U990A-W.AEK Collection Model LG 40U990A-W Manufacturer Product Type LG Monitors Manufacturer Product Type LG Monitor - 38`` and Above Product colour Black Panel mounting interface 100 x 100 mm Backlight type Edge-Lit Cable Lock Slot No Swivelling Yes VESA mounting Yes Refurbished No Form Factor Everyday Monitors Product Family LG IPS Product Family Ultrawide Monitor Form Factor AMD FreeSync Monitors Product Family 40U990A-W Display diagonal 100.8 cm (39.7") High Dynamic Range (HDR) supported Yes LED backlight Yes Contrast ratio (typical) 2000:1 Display brightness (typical) 450 cd/m Display Resolution 5120 x 2160 pixels Native aspect ratio 21:9 Panel type Nano IPS Touchscreen No HD type WUHD Display brightness (min) 320 cd/m Response time measurement type GTG (Gray to Gray) 3D No Display technology LCD Screen shape Curved Screen curvature rating 2500R Aspect Ratio 32:9 Maximum refresh rate 120 Hz Viewing angle, horizontal 178 Viewing angle, vertical 178 Response time (fast) 5 ms High frequency rate 144 Hz Pixel Pitch 0.1815 x 0.1815 mm Pixel density 139 ppi Display brightness 400 cd/m Colour Gamut 99% Display number of colours 1.06 billion colours Display diagonal (metric) 101 cm Built-in microphone No Built-in speaker(s) Yes RMS rated power 20 W Number of Speakers 2 Multiroom No Bluetooth No Ethernet LAN Yes Built-in USB hub No HDMI ports quantity 2 DisplayPorts quantity 1 Number of USB Type-C upstream ports quantity 1 Headphone out Yes HDMI version 2.1 USB upstream port type USB Type-C USB Type-C downstream ports quantity 4 HDCP version 2.2 Charging port type USB Type-C DisplayPort version 2.1 HDCP Yes HDMI Yes Audio Return Channel (ARC) No Energy consumption (HDR) per 1000 hours 58 kWh Energy efficiency class (SDR) F Energy consumption (SDR) per 1000 hours 45 kWh Energy consumption (SDR) per 1000 hours 40 kWh Energy efficiency class (HDR) g Power consumption (off) 0.3 W Power consumption (typical) 40 W AC Input Voltage 100 - 240 V Power consumption (standby) 1.2 W Power supply type internal AC input frequency 50/60 Hz Energy efficiency scale A to G Brand specific technologies Black Stabilizer USB required No Width (with stand) 947.4 mm Depth (with stand) 259.1 mm Width (without stand) 947.4 mm Depth (without stand) 106.7 mm Height (without stand) 419.1 mm Weight (without stand) 9.21 kg Height (with stand) 614.7 mm Weight (with stand) 14.1 kg AMD FreeSync type FreeSync Premium Built-in camera No Low input lag No FPS counter No High Dynamic Range (HDR) technology DisplayHDR 600, HDR Effect, High Dynamic Range 10 (HDR10) AMD FreeSync Yes NVIDIA G-SYNC No Plug and Play Yes Picture-in-Picture Yes On Screen Display (OSD) No Adaptive Sound Pro No European Product Registry for Energy Labelling (EPREL) code 2316993 Picture-by-Picture (PbP) Yes Wall Mountable Yes Tilt adjustment Yes Swivel arm No Height adjustment Yes Country of origin China Colour gamut standard DCI-P3 Built-in KVM switch Yes Power adapter included Yes Stand Included Yes Cables included DisplayPort, HDMI, Thunderbolt, USB Type-C Quick start guide Yes Manual Yes Package width 1206.5 mm Package depth 200.7 mm Package height 419.1 mm Package weight 17.8 kg Package Type Box Remote control batteries included No Installation CD No Remote Control Included No DCI-P3 coverage 99% MPN 40U990A-W.AEK Video Inputs DisplayPort Monitor Video Inputs DisplayPort Monitors Most Suitable For Casual Computing

LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black 40U990A-W.AEK Reviews

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