Specs Snapshot
- Weight
- 32.00 pounds
LG Ultrafine evo 40U990A 40" 5K2K Monitor
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Quick Verdict
LG Ultrafine evo 40U990A 40" 5K2K Monitor is a mid-range pick through its 40" 5K2K Nano IPS panel and strong color scores. Best when color matters more than value.
Buy if
You'd rather put your budget toward 40" 5K2K Nano IPS panel than a badge on the box — especially if you're a remote worker or a designer.
Skip if
You need panel type above what this model offers — check the next tier up.
Confirm the current price and availability with the retailer before buying.
LG Ultrafine evo 40U990A 40" 5K2K Monitor is our pro 5K2K Thunderbolt in the Monitors category. It is most relevant for shoppers comparing panel type, screen size, resolution, refresh rate, color accuracy, port selection, USB-C power delivery, VESA mounting, brightness, and contrast.
- Best fit: pro-level 40" 5K2K Thunderbolt monitor for creative professionals.
- Last reviewed: Jul 9, 2026 after monitors ASIN verification and catalog refresh.
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Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Prices are checked from merchant data when available. We do not claim hands-on lab testing unless a page explicitly says so.
Research SynthesisValue Shape
Where this product is strongest
Best: Color, Ports
Watch: Value, Build
Tough choice
Too close to call: LG Ultrafine evo 40U990A 40" 5K2K Monitor nudges ahead, but KYY Portable Monitor 15.6" 1080p and LG Ultrafine evo 40U990A 40" 5K2K Monitor are both solid. Check the specs.
How we researched this pick
Research basis: product specifications, retailer availability, owner-review themes, product lineage, and category comparisons. We do not claim hands-on lab testing unless stated.
Full review summary
LG Ultrafine evo 40U990A 40" 5K2K Monitor is our pro 5K2K Thunderbolt in the Monitors category. It is most relevant for shoppers comparing panel type, screen size, resolution, refresh rate, color accuracy, port selection, USB-C power delivery, VESA mounting, brightness, and contrast.
- Best fit: pro-level 40" 5K2K Thunderbolt monitor for creative professionals.
- Last reviewed: Jul 9, 2026 after monitors ASIN verification and catalog refresh.
Key Features
- 40" 5K2K Nano IPS panel
- Thunderbolt 4 daisy-chain support
- DisplayHDR 600 certification
- Adjustable ergonomic stand
- 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.
Pros & Cons
Pros
- The Thunderbolt 4, HDMI, USB hub on LG Ultrafine evo 40U990A 40" 5K2K Monitor is versatile enough for multiple consoles, a PC, and a streaming setup without a switch box.
- VESA mount compatibility on LG Ultrafine evo 40U990A 40" 5K2K Monitor means easy arm or wall mounting for a cleaner desk setup.
- 40" 5K2K Nano IPS panel is the standout — it outclasses what most premium rivals include at this screen size.
Cons
- Ultrawide LG Ultrafine evo 40U990A 40" 5K2K Monitor models may not play nicely with older games, console output, or streaming aspect ratios — confirm your content supports the format before committing.
- Built-in speakers on LG Ultrafine evo 40U990A 40" 5K2K Monitor are likely an afterthought — plan on separate speakers or a headset for anything beyond system sounds.
- 5120×2160 5K2K at 72 Hz on LG Ultrafine evo 40U990A 40" 5K2K Monitor demands a capable GPU — confirm your graphics card can push those pixels at that frame rate in the games you actually play.
Specifications
| Panel Type | Nano IPS |
| Screen Size | 40" |
| Resolution | 5120×2160 5K2K |
| Refresh Rate | 120Hz |
| Response Time | 5ms GTG |
| HDR Support | VESA DisplayHDR 600 |
| Color Accuracy | 98% DCI-P3 |
| Ports | Thunderbolt 5 |
| USB-C Power Delivery | 96W |
| VESA Mount | 100×100 mm |
| Brightness | 450 cd/m² |
| Contrast Ratio | 1200:1 |
| Display Size | 40-inch |
| Display Type | IPS LCD |
| Height | 38 inches |
| Width | 11 inches |
| Length | 25 inches |
| Weight | 32.00 pounds |
| Model Number | 40U990A-W.AUS_AG9_1 |
Frequently Asked Questions
Is the LG Ultrafine evo 40U990A 40" 5K2K Monitor worth buying in 2026?
Yes. The LG Ultrafine evo 40U990A 40" 5K2K Monitor earns a 4.4/5 score in our research synthesis thanks to its 40" 5K2K Nano IPS panel and Thunderbolt 4 daisy-chain support. Its current listed price is Check price.
What is the best feature of the LG Ultrafine evo 40U990A 40" 5K2K Monitor?
The Thunderbolt 4, HDMI, USB hub on LG Ultrafine evo 40U990A 40" 5K2K Monitor is versatile enough for multiple consoles, a PC, and a streaming setup without a switch box.
Are there any downsides to the LG Ultrafine evo 40U990A 40" 5K2K Monitor?
Ultrawide LG Ultrafine evo 40U990A 40" 5K2K Monitor models may not play nicely with older games, console output, or streaming aspect ratios — confirm your content supports the format before committing.
Where can I buy the LG Ultrafine evo 40U990A 40" 5K2K Monitor?
The LG Ultrafine evo 40U990A 40" 5K2K Monitor is available through Amazon. Confirm the final price and availability before buying. We may earn a commission from qualifying purchases through affiliate links, at no extra cost to you.
How much does the LG Ultrafine evo 40U990A 40" 5K2K Monitor cost?
The LG Ultrafine evo 40U990A 40" 5K2K Monitor is currently listed at Check price on Amazon. Prices fluctuate with sales events — confirm the current price at checkout.
Considering alternatives?
See how the LG Ultrafine evo 40U990A 40" 5K2K Monitor stacks up against the Apple Studio Display 27" 5K Monitor, or browse every alternative we track.
Tier List
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Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
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Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Amazon price and availability details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.