LG UltraFine 40U990A-W 40" Class 5K2K WUHD Curved Screen LCD Monitor

LG UltraFine 40U990A-W 40" Class 5K2K WUHD Curved Screen LCD Monitor - 3 Years Local Warranty

UltraWide 5K2K Resolution for Maximum Productivity

The LG 40U990A-W features a 5K2K WUHD resolution (5120 × 2160) in a 21:9 ultrawide format, delivering significantly more screen space than standard 4K monitors, making it ideal for multitasking, video editing timelines, and complex workflows.

Nano IPS Black Panel with Deep Contrast and Color Accuracy

Equipped with Nano IPS Black technology, this monitor delivers up to 2000:1 contrast ratio and up to 99% DCI-P3 color gamut, ensuring deep blacks and accurate color reproduction for professional-grade content creation and visual work.

Curved 40-Inch Display for Immersive Workflow

The large 40-inch curved (2500R) panel enhances immersion and reduces eye movement across the wide screen, making it more comfortable for extended productivity sessions compared to flat ultrawide displays.

Thunderbolt 5 Connectivity with 96W Power Delivery

One of its standout features is Thunderbolt 5 support, enabling ultra-fast data transfer, daisy chaining, and single-cable setups while delivering up to 96W power to charge laptops, making it ideal for clean, high-performance workstations.

HDR600 and Professional Visual Performance

With VESA DisplayHDR 600 certification, the monitor delivers enhanced brightness, contrast, and dynamic range, making it suitable for HDR content creation, color grading, and high-end media work.

Built for Creators, Developers, and Power Users

The wide canvas and high resolution make it perfect for professionals handling large datasets, multiple windows, coding environments, and creative tools, allowing seamless multitasking without needing multiple monitors.

Technical Specifications

General
Model: 40U990A-W
Product Type: UltraWide Curved Monitor
Screen Size: 39.7-inch (marketed as 40”)
Panel Type: Nano IPS Black
Resolution: 5K2K WUHD (5120 × 2160)
Aspect Ratio: 21:9 ultra-wide
Curvature: 2500R

Display
Brightness: 450 nits (typical)
Contrast Ratio: 2000:1 (IPS Black enhanced contrast)
Color Gamut: 99% DCI-P3
Color Depth: 1.07 billion colors
HDR: VESA DisplayHDR 600
Pixel Density: ~139 PPI

Performance
Refresh Rate: Up to ~120Hz (model dependent configs)
Response Time: ~5ms (GtG typical)
Adaptive Sync: AMD FreeSync Premium / VRR support

Connectivity
Thunderbolt: Thunderbolt 5 (up to 120Gbps bandwidth)
USB-C: Multiple USB-C ports (with data + display + charging)
Power Delivery: Up to 96W (laptop charging)
HDMI: Yes
DisplayPort: Yes
USB Hub: USB-A ports included
LAN: RJ45 Ethernet port (enterprise connectivity)

Advanced Features
KVM Switch: Control multiple PCs with one keyboard/mouse
Picture Modes: Picture-by-Picture (PBP), Picture-in-Picture (PIP)
Daisy Chain: Multi-monitor via Thunderbolt
Low Blue Light: Eye comfort technology

Audio
Speakers: Built-in 10W + 10W speakers (Rich Bass)

Design & Ergonomics
Curved UltraWide display for immersive workflow
Stand Adjustments: Height, tilt, swivel
Design: Slim bezel, premium white finish
Mounting: VESA compatible

Power
Power Delivery: Up to 96W via Thunderbolt
Power Supply: External adapter
Efficiency: Optimized for high-performance workloads

Key Features
5K2K ultra-wide resolution (more workspace than 4K)
Nano IPS Black panel with deeper contrast
Thunderbolt 5 for next-gen connectivity and speed
Single-cable setup (display + data + charging)
Built-in KVM for multi-device workflows
HDR600 for professional color and brightness

Typical Use Cases
Video editing and post-production
Graphic design and photography
Financial trading / multi-window workflows
Software development and multitasking
High-end productivity setups