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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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
| Brand | LG |
|---|---|
| Brightness | 450 candela_per_square_meter |
| Model Name | 40U990A |
| Resolution | 5K UHD 2160p Ultra Wide |
| Unit Count | 1 Count |
| Screen Size | 40 inches |
| Aspect Ratio | 21:9 |
| Connectivity | USB-C |
| Display Type | LCD |
| Model Number | 40U990A-W.AUS_AG9_1 |
| Refresh Rate | 120 hertz |
| Adaptive Sync | FreeSync Premium |
| Response Time | 5 milliseconds |
| Screen Finish | Glossy |
| Viewing Angle | 178 degrees |
| Contrast Ratio | 2000:1 |
| Total Usb Ports | 4 |
| Native Resolution | 5120x2160 |
| Display Technology | IPS |
| Additional Features | Adaptive Sync |
| Full listing title | 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 |
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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