Special offer
LG 40U990A-W computer monitor 101.6 cm (40") 5120 x 2160 pixels WUHD Black
MPN:
40U990A-W
Brand:
LG
Screen Size:
101.6 cm (40")
Resolution:
5120 x 2160 pixels
Refresh Rate:
120 Hz
€1,468.63
/ incl. VAT
€1,213.74
/ excl. VAT
/ incl. VAT
/ excl. VAT
In 2 Business Days
4 in Stock
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Product Description
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 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 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™ 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.
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 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 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™ 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.
Specifications
General
Model Name
40U990A-W
EPREL Registration No.
EU product database registration number for energy efficiency compliance.
2316993
Data Sheet
https://eprel.ec.europa.eu/api/product/2316993/fiches?language=EN
Country of Origin
China
Model
40U990A
Display
Energy Consumption HDR (kWh/1000h)
58 kWh
Energy Efficiency Class (HDR)
G
Contrast Ratio
Static contrast ratio measures how much brighter pure white is than pure black on the panel. Higher contrast means deeper blacks and more punch. Typical IPS panels reach 1000:1, VA panels 3000:1, OLED panels effectively infinite contrast.
2000:1
Colour Depth
Typical: 16M (8-bit) or 1B (10-bit). More colours = smoother gradients.
1.06 billion colours
Panel Type
Panel type sets the colour, contrast and viewing-angle character of the monitor. IPS = wide viewing angles, accurate colour, moderate contrast; VA = high contrast and deep blacks, narrower angles; TN = fastest response but limited angles; OLED = perfect b
Nano IPS
Screen Shape
Curved
Adaptive Sync
Variable refresh-rate technology (FreeSync / G-Sync Compatible) syncs the monitor refresh rate to the GPU's actual frame rate. The result is no tearing and no stutter when frame rate dips below the monitor's max refresh. Requires a compatible monitor conn
Yes
AMD FreeSync
Adaptive sync standard that eliminates screen tearing with AMD GPUs.
FreeSync Premium
Built-in Webcam
No
Colour Space
sRGB: standard for web/office. DCI-P3: cinema/photo editing. Adobe RGB: pro photo.
DCI-P3
DCI-P3 Coverage
Cinema colour space. 90%+ is good for photo/video work.
99 %
Typical Brightness
450 cd/m²
Screen Size (cm)
101 cm
Resolution Class
FHD=1920×1080, QHD=2560×1440, 4K=3840×2160, OLED refers to panel type.
WUHD
HDR Support
High Dynamic Range . wider brightness and colour range for more realistic content.
Yes
HDR Standard
HDR10: basic. HDR10+/Dolby Vision: dynamic per-scene metadata for better results.
DisplayHDR 600/HDR Effect/High Dynamic Range 10 (HDR10)
Backlight
Edge-lit: thinner, less uniform. Direct-lit/Full-array: brighter, local dimming.
Yes
Aspect Ratio
16:9 = standard widescreen. 16:10 = more vertical space. 21:9 = ultrawide.
21:9
NVIDIA G-Sync
NVIDIA G-Sync is the variable refresh-rate technology built into compatible NVIDIA GPUs. It syncs the monitor's refresh rate to the GPU's actual frame rate, eliminating tearing and stutter. G-Sync Ultimate requires a hardware module in the monitor; G-Sync
No
Pixel Pitch
0.1815 x 0.1815 mm
Transfer Time
Pixel response time (ms) is how long a pixel needs to change colour. Lower numbers cut motion blur and ghosting in fast scenes. 1-5 ms is fine for gaming; 5-10 ms is acceptable for productivity. Manufacturers usually quote the best-case GtG number; real-w
5 ms
Response Time Measurement
GtG (Grey to Grey) is the industry standard. MPRT includes motion blur.
GTG (Gray to Gray)
Touchscreen
No
Adaptive Sync (VRR)
Variable Refresh Rate eliminates tearing. Works with both AMD and NVIDIA GPUs.
No
Horizontal Viewing Angle
IPS panels typically 178°. Narrower angles (TN) cause colour shifts from the side.
178 °
Vertical Viewing Angle
178 °
Backlight Type
Edge-Lit
Picture By Picture
Yes
Picture In Picture
Yes
Pixel Density
PPI (pixels per inch). Higher = sharper image. 220+ PPI is Retina-quality.
139 ppi
Screen Curvature Rating
2500R
Connectivity
Bluetooth
No
DisplayPort Version
DisplayPort version sets max resolution and refresh. DP 1.4 = 4K at 120 Hz, 8K at 60 Hz with DSC; DP 2.1 = 4K at 240 Hz, 8K at 120 Hz. DisplayPort tends to deliver higher refresh-rate gaming-friendly modes than HDMI at the same generation.
2.1
DisplayPort Ports
1
HDCP
HDCP (High-bandwidth Digital Content Protection) is the copy-protection signalling required to play DRM-protected 4K and 8K video (Netflix UHD, Blu-ray, streaming services). Without HDCP support on both the GPU and the display, those streams downscale or
Yes
HDCP Version
2.2
HDMI
Yes
HDMI Ports
2
Headphone Output
Yes
USB-C Upstream Ports
4
Built-in USB Hub
No
Ethernet (LAN Port)
Wired network port. More stable and faster than Wi-Fi for office and server use.
Yes
Wi-Fi
No
Features
Brand-specific Technologies
Black Stabilizer
Remote Control Included
No
Audio
Audio Input
Yes
Built-in Speakers
Yes
Built-in Speakers
2
Audio Power (RMS)
Continuous rated power in Watts. Higher = louder max volume.
10 W
Power
Energy Class
EU energy label A–G. A is most efficient.
F
Energy Consumption SDR (kWh/1000h)
40 kWh
Energy Efficiency Class (SDR)
F
Power Consumption (Off)
0.3 W
Typical Power Draw
Typical board power (W) is the power draw under normal gaming load. Use it to estimate electricity cost and to size cooling. Peak transient spikes can be 20-30 percent higher, which is why PSU recommendations leave a buffer.
45 W
Input Frequency
50/60 Hz
Input Voltage
100 - 240 V
Standby Power
1.2 W
Power Supply Type
External
Physical
Depth (with stand)
259.08 mm
Depth (without stand)
106.68 mm
Height Adjustment
Yes
Height (with stand)
614.68 mm
Height (without stand)
419.1 mm
Mounting Interface
100 x 100 mm
Colour
Black
Net Weight
14.106 kg
Stand Included
Yes
Swivel Adjustment
Yes
Tilt Adjustment
Yes
VESA Mounting
VESA hole pattern (e.g. 100×100 mm) for monitor arms and wall mounts.
Yes
Wall Mountable
Yes
Weight (with stand)
14106 g
Weight (without stand)
9207 g
Width (with stand)
947.42 mm
Width (without stand)
947.42 mm
Additional
Energy Efficiency Scale
A to G
Cable Lock Slot
No
EPREL Version
1
Warranty
24
SKU
1449849
EAN
8806096489314