High Dynamic Range (HDR) technology
DisplayHDR 600/HDR Effect/High Dynamic Range 10 (HDR10)
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.
Specifikacijos
| Long Description | LG 40U990A-W. Display diagonal: 101.6 cm (40"), Display resolution: 5120 x 2160 pixels, HD type: WUHD, Response time: 5 ms, Native aspect ratio: 21:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). VESA mounting, Height adjustment. Product colour: Black |
|---|---|
| Vendor Homepage | https://www.lg.com/us/monitors/lg-40u990a-w-ultrafine-monitor |
| Bullet Points |
|
| Number of speakers | 2 |
| RMS rated power | 10 W |
| Country of origin | China |
| NVIDIA G-SYNC | No |
| Display diagonal | 40 " |
| Display resolution | 5120 x 2160 pixels |
| AMD FreeSync | Yes |
| HD type | WUHD |
| AMD FreeSync type | FreeSync Premium |
| Native aspect ratio | 21:9 |
| Brand specific technologies | Black Stabilizer |
| Panel type | Nano IPS |
| LED backlight | Yes |
| Backlight type | Edge-Lit |
| Touchscreen | No |
| VESA Adaptive Sync support | No |
| Built-in USB hub | No |
| Display brightness (typical) | 450 cd/m² |
| Response time | 5 ms |
| Response time measurement type | GTG (Gray to Gray) |
| Number of USB Type-C upstream ports quantity | 4 |
| Screen shape | Curved |
| Screen curvature rating | 2500R |
| Product colour | Black |
| Contrast ratio (typical) | 2000:1 |
| Maximum refresh rate | 120 Hz |
| Viewing angle, horizontal | 178 ° |
| HDMI | Yes |
| Viewing angle, vertical | 178 ° |
| HDMI ports quantity | 2 |
| Display number of colours | 1.06 billion colours |
| Built-in speaker(s) | Yes |
| Pixel pitch | 0.1815 x 0.1815 mm |
| DisplayPorts quantity | 1 |
| Pixel density | 139 ppi |
| DisplayPort version | 2.1 |
| Audio input | Yes |
| Headphone out | Yes |
| Display diagonal (metric) | 101 cm |
| Built-in camera | No |
| High Dynamic Range (HDR) supported | Yes |
| HDCP | Yes |
| HDCP version | 2.2 |
| Stand included | Yes |
| Colour gamut standard | DCI-P3 |
| Cables included | DisplayPort/HDMI/Thunderbolt/USB Type-C |
| Power adapter included | Yes |
| Remote control included | No |
| Manual | Yes |
| Width (with stand) | 947.42 mm |
| VESA mounting | Yes |
| Depth (with stand) | 259.08 mm |
| Panel mounting interface | 100 x 100 mm |
| Height (with stand) | 614.68 mm |
| Wall mountable | Yes |
| Weight (with stand) | 14106 g |
| Package width | 1206.5 mm |
| Width (without stand) | 947.42 mm |
| Cable lock slot | No |
| Package depth | 200.66 mm |
| Depth (without stand) | 106.68 mm |
| Package height | 419.1 mm |
| Height (without stand) | 419.1 mm |
| Height adjustment | Yes |
| Package weight | 17780 g |
| Weight (without stand) | 9207 g |
| Package type | Box |
| Energy efficiency class (SDR) | F |
| Swivelling | Yes |
| Wi-Fi | No |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 40 kWh |
| Tilt adjustment | Yes |
| Energy consumption (HDR) per 1000 hours | 58 kWh |
| Bluetooth | No |
| Power consumption (typical) | 45 W |
| Picture-in-Picture | Yes |
| Power consumption (standby) | 1.2 W |
| Ethernet LAN | Yes |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | External |
| Energy efficiency scale | A to G |
| Model | 40U990A |
| Model name | 40U990A-W |
| DCI-P3 coverage | 99 % |
| Picture-by-Picture (PbP) | Yes |
| Energy efficiency class | F |
| Data Sheet (Link) | https://eprel.ec.europa.eu/api/product/2316993/fiches?language=EN |
| EPREL Version Number | 1 |
| EPREL Registration Number | 2316993 |
| Units per Pallet | 0 |
| Unit Calculated Volume | 0.1272 cubm |
| Product Net Weight | 14.106 kg |
| Unit Calculated Weight | 18 kg |