LG 40U990A-W computer monitor 40" 5120 x 2160 pixels WUHD Black
2,178.51 CAD
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LG 40U990A-W computer monitor 40" 5120 x 2160 pixels WUHD Black
Part number
40U990A-W
2,178.51 CAD
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Specifications
Weight
17.78 kg
Shipping + Returns
Shipping Policy
Ships to: Canada & USA via UPS, DHL, & Canada Post.
Fast Dispatch: Orders before 2 PM EST process same-day.
Options: Standard (Ground) and Express (Air) shipping available.
Heavy Items: Heavy freight usually requires1-2 extra days for Processing
Returns & Refunds
Return Period: Request a return within 14 days of delivery.
Restocking Fee: 20% fee applies to non-defective/change-of-mind returns.
Condition: Items must be returned in original packaging (New or Like New).
Final Sale: Software, licenses, and special orders cannot be returned.
- 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
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.
| Display | |
|---|---|
| HDCP | Yes |
| Display brightness (typical) | 450 cd/m² |
| Display diagonal | 40" |
| Response time | 5 ms |
| Display resolution | 5120 x 2160 pixels |
| Screen shape | Curved |
| Display number of colours | 1.06 billion colors |
| Native aspect ratio | 21:9 |
| Maximum refresh rate | 120 Hz |
| Contrast ratio (typical) | 2000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.00715 x 0.00715" (0.181 x 0.181 mm) |
| HD type | WUHD |
| Pixel density | 139 ppi |
| Backlight type | Edge-Lit |
| Touchscreen | No |
| High Dynamic Range (HDR) supported | Yes |
| Panel type | Nano IPS |
| DCI-P3 coverage | 99% |
| High Dynamic Range (HDR) technology | DisplayHDR 600, HDR Effect, High Dynamic Range 10 (HDR10) |
| Screen curvature rating | 2500R |
| Display diagonal (metric) | 39.8" (101 cm) |
| LED backlight | Yes |
| Colour gamut standard | DCI-P3 |
| Response time measurement type | GTG (Gray to Gray) |
| Performance | |
| AMD FreeSync type | FreeSync Premium |
| AMD FreeSync | Yes |
| NVIDIA G-SYNC | No |
| VESA Adaptive Sync support | No |
| Brand specific technologies | Black Stabilizer |
| Multimedia | |
| Built-in speaker(s) | Yes |
| Built-in camera | No |
| Number of speakers | 2 |
| RMS rated power | 10 W |
| Design | |
| Product colour | Black |
| Country of origin | China |
| Ports & interfaces | |
| Built-in USB hub | No |
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| HDCP | Yes |
| Audio input | Yes |
| Headphone out | Yes |
| HDMI | Yes |
| DisplayPort version | 2.1 |
| Number of USB Type-C upstream ports quantity | 4 |
| HDCP version | 2.2 |
| Bluetooth | No |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Network | |
| Bluetooth | No |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Ergonomics | |
| Wall mountable | Yes |
| Cable lock slot | No |
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Swivelling | Yes |
| Height adjustment | Yes |
| Picture-in-Picture | Yes |
| Tilt adjustment | Yes |
| Picture-by-Picture (PbP) | Yes |
| Power | |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power consumption (standby) | 1.2 W |
| Power consumption (typical) | 45 W |
| Power consumption (off) | 0.3 W |
| Power supply type | External |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 40 kWh |
| Energy consumption (HDR) per 1000 hours | 58 kWh |
| European Product Registry for Energy Labelling (EPREL) code | 2316993 |
| Weight & dimensions | |
| Width (with stand) | 37.3" (947.4 mm) |
| Depth (with stand) | 10.2" (259.1 mm) |
| Height (with stand) | 24.2" (614.7 mm) |
| Width (without stand) | 37.3" (947.4 mm) |
| Height (without stand) | 16.5" (419.1 mm) |
| Depth (without stand) | 4.2" (106.7 mm) |
| Weight (with stand) | 31.1 lbs (14.1 kg) |
| Weight (without stand) | 20.3 lbs (9.21 kg) |
| Package width | 47.5" (1206.5 mm) |
| Package depth | 7.9" (200.7 mm) |
| Package height | 16.5" (419.1 mm) |
| Package weight | 39.2 lbs (17.8 kg) |
| Packaging data | |
| Package type | Box |
| Package width | 47.5" (1206.5 mm) |
| Package depth | 7.9" (200.7 mm) |
| Package height | 16.5" (419.1 mm) |
| Package weight | 39.2 lbs (17.8 kg) |
| Stand included | Yes |
| Remote control included | No |
| Manual | Yes |
| Cables included | DisplayPort, HDMI, Thunderbolt, USB Type-C |
| Power adapter included | Yes |
| Packaging content | |
| Stand included | Yes |
| Remote control included | No |
| Manual | Yes |
| Cables included | DisplayPort, HDMI, Thunderbolt, USB Type-C |
| Power adapter included | Yes |
| Sustainability | |
| European Product Registry for Energy Labelling (EPREL) code | 2316993 |
| Features | |
| Country of origin | China |
| Other features | |
| Country of origin | China |
| Picture-by-Picture (PbP) | Yes |
| DCI-P3 coverage | 99% |
| Brand specific technologies | Black Stabilizer |
| Bluetooth | No |
| Remote control included | No |
| Width (without stand) | 37.3" (947.4 mm) |
| Height (without stand) | 16.5" (419.1 mm) |
| HDMI | Yes |
| Depth (without stand) | 4.2" (106.7 mm) |
| Energy efficiency scale | A to G |
| Power supply type | External |
| Manual | Yes |
| Ethernet LAN | Yes |
| Touchscreen | No |
| Package type | Box |
| Technical details | |
| Power supply type | External |
| Country of origin | China |
| Weight (with stand) | 31.1 lbs (14.1 kg) |
| Touchscreen | No |
