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LG 40U990A-W UltraFine 40" Curved 5K2K WUHD Nano IPS Monitor - 5120 x 2160120Hz - HDR600 - FreeSync Premium
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Product Features
Product Overview
The LG UltraFine 40U990A-W delivers a commanding 40-inch curved workspace with a 5K2K WUHD resolution of 5120 x 2160. Its Nano IPS panel provides wide 178-degree viewing angles, exceptional color accuracy covering 99% of the DCI-P3 color space, and a high 120 Hz refresh rate for smooth motion.
Engineered for extended use, this monitor includes VESA DisplayHDR 600 certification for vibrant contrast, AMD FreeSync Premium for tear-free gaming, and a comprehensive suite of eye comfort features backed by a 5-star rating. The curved 21:9 aspect ratio immerses users in cinematic content and enhances productivity across multiple applications.
Relevant factors for this section include Number of Screens, Screen Size Class, Viewable Screen Size, Maximum Resolution. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Technical Overview
This monitor leverages Nano In-plane Switching (Nano IPS) Black Technology for deep blacks and a 2000:1 native contrast ratio. The 5 ms GTG response time ensures sharp transitions in fast-paced content, while the 450 cd/m² brightness maintains visibility in well-lit environments.
Connectivity is extensive, featuring two HDMI 2.1 ports, one DisplayPort, and five USB Type-C ports with Thunderbolt support for high-speed data and video. The built-in KVM switch and USB hub streamline multi-device management, and integrated dual speakers provide basic audio output.
Relevant factors for this section include Number of Screens, Screen Size Class, Viewable Screen Size, Maximum Resolution. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The UltraFine 40U990A-W combines ultra-wide resolution with professional-grade color and ergonomic flexibility. Its curved design reduces eye strain during long sessions, while the adjustable stand and VESA compatibility support optimal viewing angles.
Professional Color Accuracy
With 99% DCI-P3 coverage and True Color Pro calibration, this monitor meets the demands of content creators, designers, and video editors who require precise color reproduction.
- Wide Color Gamut (sRGB)
- Hardware Calibration Support
Enhanced Productivity & Multitasking
The 21:9 aspect ratio and Picture-by-Picture/Picture-in-Picture modes allow users to view multiple sources simultaneously, ideal for financial trading, software development, and video production workflows.
- KVM Switch for Multi-Device Control
- Super Resolution+ for Clarity
Deployment / Use Cases
This monitor excels in environments where screen real estate, color fidelity, and connectivity are paramount. Its high resolution and color accuracy make it suitable for professional creative studios, while the fast refresh and FreeSync Premium cater to immersive gaming and media consumption.
In corporate settings, the KVM switch and extensive USB connectivity simplify docking for laptops and desktops, reducing cable clutter. The curved display and eye comfort features also benefit users in command centers, trading floors, and design firms who require prolonged focus.
Creative & Design Workstations
The 5K2K resolution and DCI-P3 gamut provide ample space for timeline editing, high-resolution asset manipulation, and color-critical review in applications like Adobe Creative Suite and DaVinci Resolve.
Immersive Entertainment & Gaming
The 120 Hz refresh rate, FreeSync Premium, and HDR600 support deliver smooth, vibrant gameplay and movie playback without tearing, leveraging the curved 21:9 screen for cinematic immersion.
Physical Profile
The monitor features a sleek frameless bezel on three sides, maximizing the viewable area. With the stand, it measures 24.19" high, 37.31" wide, and 10.24" deep, weighing 31.09 lbs. Without the stand, the depth reduces to 4.19", facilitating VESA wall mounting for space-constrained setups.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 16.53" (419.80 mm), 37.31" (947.70 mm), 4.19" (106.30 mm), 20.28 lb (9200 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 37.31" (947.70 mm)
- Depth
- 4.19" (106.30 mm)
- Height
- 16.53" (419.80 mm)
- Weight
- 20.28 lb (9200 g)
Highlights
- 40-inch curved Nano IPS display with 39.7" viewable area for immersive viewing
- 5K2K WUHD resolution (5120 x 2160) delivers ultra-sharp detail and expansive workspace
- 120 Hz refresh rate and AMD FreeSync Premium ensure smooth, tear-free visuals
- VESA DisplayHDR 600 certification with 450 cd/m² brightness for vibrant contrast
- Covers 99% DCI-P3 color gamut with 1.06 billion colors for professional accuracy
- Includes 2x HDMI 2.1, 1x DisplayPort, and 5x USB Type-C with Thunderbolt connectivity
- Built-in KVM switch and USB hub for efficient multi-device management
- Fully adjustable stand with height, swivel, and tilt, plus VESA mount compatibility
- Eye Comfort certified with 5-star rating, flicker-free, and low blue light technology
- 21:9 ultra-wide aspect ratio ideal for cinematic content and multi-window productivity
Specifications
| Specifications | |
|---|---|
| Manufacturer | LG Electronics |
| Manufacturer Part Number | 40U990A-W |
| Brand Name | LG |
| Product Line | UltraFine |
| Product Model | 40U990A-W |
| Product Name | UltraFine 40U990A-W Widescreen LCD Monitor |
| Product Type | LCD Monitor |
| Technical Information | |
| Number of Screens | 1 |
| Screen Size Class | 40" |
| Viewable Screen Size | 39.7" |
| Screen Mode | 5K2K WUHD |
| Panel Technology | Nano In-plane Switching (Nano IPS) Black Technology |
| Response Time | 5 ms |
| Response Time Details | 5 ms GTG (Fast) |
| Aspect Ratio | 21:9 |
| Pixel Pitch | 0.18150 mm x 0.18150 mm |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Mount Type | Wall Mountable |
| Features | Flicker-free,HDR10,Smart Energy Saving,Picture by Picture,Picture in Picture,Super Resolution+,VESA DisplayHDR 600,Auto Input Switch,Color Weakness Mode,Hardware Calibration,Reading Mode,Black Stabilizer Technology,Dynamic Action Sync,Dual Controller,True Color Pro,Wide Color Gamut (sRGB),Eye Comfort Technology,Low Blue Light,3-sided Bezel Less |
| Curved Screen | Yes |
| Adjustable Stand | Yes |
| Stand Adjustments | Swivel,Height,Tilt |
| Video | |
| Maximum Resolution | 5120 x 2160 |
| Standard Refresh Rate | 120 Hz |
| Color Supported | 1.06 Billion Colors |
| Native Contrast Ratio | 2,000:1 |
| Brightness | 450 cd/m² |
| Tearing Prevention Technology | FreeSync Premium |
| Color Gamut | 99% DCI-P3 (CIE 1976),95% DCI-P3 (CIE 1976) |
| Audio | |
| Number of Speakers | 2 |
| Speakers | Yes |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| HDMI | Yes |
| USB | Yes |
| DisplayPort | Yes |
| Thunderbolt | Yes |
| USB Type-C | Yes |
| Total Number of HDMI Ports | 2 |
| Number of DisplayPorts | 1 |
| Number of USB Ports | 7 |
| Total Number of USB Type-C Ports | 5 |
| Number of HDMI 2.1 Ports | 2 |
| Built-in Devices | |
| Built-in Devices | KVM Switch,USB Hub |
| Power Description | |
| Energy Efficiency Class (SDR) (from 1st March 2021) | F |
| Energy Efficiency Class (HDR) (from 1st March 2021) | G |
| ON Mode Energy Consumption per 1000Hour (SDR) (from 1st March 2021) | 40 kW |
| ON Mode Energy Consumption per 1000Hour (HDR) (from 1st March 2021) | 58 kW |
| Physical Characteristics | |
| VESA Mount Compatible | Yes |
| Bezel Design | Frameless |
| Height | 16.53" (419.80 mm) |
| Width | 37.31" (947.70 mm) |
| Depth | 4.19" (106.30 mm) |
| Height with Stand | 24.19" (614.30 mm) |
| Width with Stand | 37.31" (947.70 mm) |
| Depth with Stand | 10.24" (260 mm) |
| Weight (Approximate) | 20.28 lb (9200 g) |
| Weight with Stand (Approximate) | 31.09 lb (14100 g) |
| Miscellaneous | |
| Eye Comfort Certification | Yes |
| Eye Comfort Rating | 5 Star |
FAQ
What is the screen size and resolution of this LG monitor?
The LG UltraFine 40U990A-W features a 40-inch class curved display with a 39.7-inch viewable area. It offers a 5K2K WUHD resolution of 5120 x 2160 pixels, providing an ultra-wide 21:9 aspect ratio that enhances productivity and cinematic viewing.
Does this monitor support HDR and what is its brightness level?
Yes, this monitor is VESA DisplayHDR 600 certified, ensuring high dynamic range performance with vivid contrasts and highlights. It delivers a brightness of 450 cd/m², making it suitable for well-lit rooms and HDR content in gaming, movies, and creative work.
What panel technology and refresh rate does it use?
It uses Nano In-plane Switching (Nano IPS) Black Technology, known for wide viewing angles and accurate colors. The monitor has a standard refresh rate of 120 Hz, combined with a 5 ms GTG response time, which reduces motion blur for smooth visuals in fast-paced applications.
What connectivity options are available on this monitor?
Connectivity includes two HDMI 2.1 ports, one DisplayPort, five USB Type-C ports with Thunderbolt support, seven total USB ports, and an RJ-45 Ethernet jack. It also features built-in dual speakers, a KVM switch, and a USB hub for comprehensive device integration.
Is the stand adjustable and is it VESA mount compatible?
Yes, the stand offers height, swivel, and tilt adjustments for ergonomic positioning. The monitor is also VESA mount compatible, allowing for wall or arm mounting to save desk space or achieve custom viewing angles in multi-monitor setups.
What eye comfort features does this monitor include?
This monitor is Eye Comfort certified with a 5-star rating, incorporating flicker-free technology, low blue light emission, and features like Reading Mode and Color Weakness Mode. These reduce eye strain during prolonged use, supporting wellness in professional and entertainment scenarios.
| Qty | Price | Available |
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