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Overview

Experience immersive gaming and multitasking with the LG 40U990A-W 40-inch curved gaming monitor. Its ultra-wide 5K Nano IPS LED display brings out incredible detail and true-to-life colour while a fast 120Hz refresh rate and AMD FreeSync Premium Pro deliver smooth, seamless motion for games and creative work.
  • 40 in. curved Nano IPS LED, 5K 5120 x 2160, 21:9 aspect ratio
  • 120Hz refresh rate and FreeSync Premium Pro for seamless motion
This description was generated by AI and reviewed for accuracy.

LG 40" Ultrawide Curved 5K IPS LED Gaming Monitor (40U990A-W) - FreeSync Premium Pro - 120Hz - HDR10 - White

Model: 40U990A-W
Web Code: 19458514
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Manufacturer's Warranty

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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • LG Monitor
  • HDMI cable
  • Displayport cable
  • Thunderbolt cable
  • USB-C cable
What you need to know
  • 40 in. ultra-wide screen with 5K (5120 x 2160) native resolution for detailed visuals
  • Nano IPS Black panel offers wide viewing angles and rich colour for gaming and editing
  • 120Hz refresh rate enables smoother motion during fast-paced action
  • AMD FreeSync Premium Pro helps eliminate screen tearing and stutter
  • 21:9 aspect ratio surrounds you for immersive viewing
Screen & Picture
  • 40-inch LED display with 5K (5120 x 2160) resolution delivers sharp, vibrant images
  • Nano IPS Black technology provides deep colours and strong contrast, ideal for gaming, video editing, and photography in low-light settings
  • 21:9 aspect ratio offers an exceptionally immersive experience for games and entertainment
  • 99% DCI-P3 colour accuracy and VESA DisplayHDR 600 deliver bright highlights and true-to-life visuals
  • 178-degree wide viewing angle keeps visuals consistent from almost any position
  • Curved design enhances immersion by reducing head and eye movement
  • Auto brightness adjusts the screen for optimal visibility to help reduce eye strain
Motion & Gaming
  • 120Hz refresh rate and 5ms response time provide smooth, clear visuals for gaming and video
  • AMD FreeSync Premium Pro ensures seamless, tear-free, and stutter-free gameplay with high-frame-rate content
  • Black Stabilizer improves visibility in dark scenes so you can spot enemies and details
  • Dynamic Action Sync minimizes input lag for fast, responsive gameplay
Viewing Comfort
  • TUV five-star eye comfort certification helps reduce eye strain during long use
  • Live colour low blue light technology reduces harmful blue light while keeping colours vibrant for comfortable viewing
  • Flicker safe feature helps minimize eye fatigue during extended sessions
Features
  • 2PBP (Picture-by-Picture) and PIP (Picture-in-Picture) support multitasking by displaying two sources at once
  • Two 10W speakers with rich bass enhance your gaming immersion with strong audio
  • LG Switch and Dual Controller let you manage and control multiple devices for simpler workflow
  • Smart energy saving reduces power consumption without lowering display performance
Connections
  • Two HDMI, one DisplayPort, Thunderbolt with 96W Power Delivery, USB-C (1 up, 4 down), two USB-A, KVM, RJ-45, and four-pole headphone out support a range of device connections
Stand, Mounting & Dimensions
  • Height, tilt, and swivel adjustments help you position the screen for viewing comfort
  • VESA mountable (100 x 100) for flexible installation
This description was generated by AI and reviewed for accuracy.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .