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LG Ultrafine evo 40U990A 40" 5K2K (5120×2160) Curved Ultrawide Monitor | IPS Black, 120Hz, DisplayHDR 600, Thunderbolt 5, HDMI 2.1, DisplayPort 2.1, Built-in Speakers & Adjustable Stand - Bundle

LG Ultrafine evo 40U990A 40" 5K2K (5120×2160) Curved Ultrawide Monitor

Bottom line: The LG Ultrafine evo 40U990A 40" 5K2K Curved Ultrawide Monitor is a specs-and-price decision rather than a crowd-consensus one in the gaming monitors category. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. How we check display specs →

Before you buy

  • Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The LG UltraFine 40U990A 40 inch 5K2K curved ultrawide monitor is designed for creators professionals and multitaskers who need expansive workspace precision color and advanced connectivity in one refined display. Its 5120 by 2160 resolution and 2500R curved Nano IPS Black panel deliver sharp detail and immersive viewing while maintaining consistent clarity across wide 178 degree angles. Factory calibrated color with 99 percent DCI P3 coverage and support for 1.07 billion colors ensures accurate reproduction for video editing design and photography while VESA DisplayHDR True Black 600…

SpecPicks Verdict

SpecPicks scored LG Ultrafine evo 40U990A 40" 5K2K (5120×2160) Curved Ultrawide… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. Compare with similarly-priced alternatives in the gaming monitors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Bundle Items Include: LG UltraFine 40U990A 40" 5K2K HDR 120 Hz Curved Ultrawide Monitor, HDMI Cable, Cable Ties, LCD Screen Cleaning Kit
  • Experience expansive multitasking and immersive editing on a 40 inch curved ultrawide display with a 5120 by 2160 5K2K resolution. The 2500R curvature wraps your field of view, providing a massive workspace that reduces eye movement while maintaining sharp detail and consistent clarity for video editing, content creation, and complex multitasking workflows.
  • Enjoy exceptional color accuracy and contrast with a Nano IPS Black panel supporting 1.07 billion colors and 99 percent DCI P3 coverage. VESA DisplayHDR True Black 600 certification delivers deeper blacks, brighter highlights, and a 2000 to 1 contrast ratio with up to 450 nits brightness for lifelike visuals and precise creative control.
  • Benefit from fluid motion and reduced visual artifacts thanks to a 120 Hz refresh rate combined with AMD FreeSync Premium support. Fast screen updates minimize motion blur, screen tearing, and stuttering, making this display well suited for smooth video playback, timeline scrubbing, animation work, and visually demanding applications.
  • Connect and control your entire setup through advanced connectivity including Thunderbolt 5 with up to 80 Gb per second data transfer and 96W power delivery. Multiple USB C and USB A ports, HDMI 2.1, DisplayPort 2.1, Ethernet, built in KVM, and integrated speakers create a powerful single cable workstation solution.

Full Specifications

BrandLG
Brightness450 candela_per_square_meter
Model Name40U990A
Resolution5K UHD 2160p Ultra Wide
Unit Count1 Count
Screen Size40 inches
Aspect Ratio21:9
ConnectivityUSB-C
Display TypeLCD
Model Number40U990A-W.AUS_AG9_1
Refresh Rate120 hertz
Adaptive SyncFreeSync Premium
Response Time5 milliseconds
Screen FinishGlossy
Viewing Angle178 degrees
Contrast Ratio2000:1
Total Usb Ports4
Native Resolution5120x2160
Display TechnologyIPS
Additional FeaturesAdaptive Sync
Full listing titleLG Ultrafine evo 40U990A 40" 5K2K (5120×2160) Curved Ultrawide Monitor | IPS Black, 120Hz, DisplayHDR 600, Thunderbolt 5, HDMI 2.1, DisplayPort 2.1, Built-in Speakers & Adjustable Stand - Bundle

Ready to buy?

LG Ultrafine evo 40U990A 40" 5K2K (5120×2160) Curved Ultrawide Monitor | IPS Black, 120Hz, DisplayHDR 600, Thunderbolt 5, HDMI 2.1, DisplayPort 2.1, Built-in Speakers & Adjustable Stand - Bundle is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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