LG UltraFine 40U990A-W 40" Silver 2025
The world's first 5K2K display with Thunderbolt 5 delivers 96W charging and drives a 40-inch 5120x2160 Nano IPS Black panel with 2000:1 contrast, 120Hz, and DisplayHDR 600. A built-in rich bass speaker and fully adjustable stand (height, tilt, swivel, pivot) complement the clutter-reducing built-in power supply. This monitor is best for video editors, colorists, and creative professionals who need a single expansive curved canvas for 5K2K timelines and color-accurate multitasking.
Об этом Monitor
About LG 40U990A-WThe World's First 5K2K Monitor with Thunderbolt 5The LG UltraFine 40U990A is the world-s first 5K2K widescreen monitor with Thunderbolt 5, delivering ultra-fast data transfer, 96W charging, and dual display support. The monitor's 39.7" curved (2500R), Nano IPS Black panel offers brilliant color, and spectacular contrast - a new go-to display for creators, multitaskers and gamers.Sharper 5K2K Details on a Wide Creative CanvasThe 5K2K (5120x2160) Nano IPS Black display offers ultra-wide resolution, vivid color, and razor-sharp detail-providing a spacious, precise workspace ideal for video editing, graphic design, photography, and color-critical creative tasks.Built for creators. Ready for professionals.Built for creative flow, the UltraFine 5K2K screen makes it easy to work across complex timelines, layered interfaces, and multiple windows-ideal for editing, producing, and programming.VESA DisplayHDR 600 Meets Nano IPS Black BrillianceVESA DisplayHDR 600 and Nano IPS Black combine to deliver deep blacks, vivid highlights, and cinematic color-ideal for creators who need precision in light, shadow, and texture.Up to 99% DCI-P3 Color Brilliance for Visual ProsWith up to 99% DCI-P3 color gamut coverage, this UltraFine display delivers bold, vibrant color across a wide spectrum-ideal for impactful video, photo, and design work in print, digital, and broadcast formats.2000:1 Contrast for Stunning Visual DepthNano IPS Black enhances contrast to 2000:1, revealing richer shadows, deeper blacks, and sharper detail-perfect for bold color, improved depth, and edge-to-edge consistency.5K2K Production Powered by Thunderbolt 5Thunderbolt 5 supports commercial-level video, film, and game production with faster data transfer, 96W charging, and seamless 5K2K output-all through a single, stable, high-speed cable.Daisy Chain Enhances Multitasking EfficiencyDaisy chain two monitors and a laptop via Thunderbolt 5 and DisplayPort-simplifying your workspace while expanding screen space for multitasking, content creation, or focused productivity.Versatile Ports for Limitless PossibilitiesThunderbolt 5, HDMI 2.1 (x2), DisplayPort 2.1 (UHBR 13.5) and USB-C let you connect laptops, cameras, and drives-no adapters needed. Enjoy stable, streamlined performance across creative, gaming, or professional workflows.Dual Speakers. Deep, Immersive Sound.Let the action surround you with dual speakers and Rich Bass-delivering deeper, fuller sound that enhances cinematic scenes.FreeSync Premium Smooths Every FrameFreeSync Premium keeps motion smooth and responsive, reducing screen tearing and stutter while mixing audio, gaming, or reviewing high-resolution video.Personalized Your Display with Switch AppEasily customize image settings, split your screen into 11 layouts, and launch video calls instantly with the LG Switch App-streamlining your setup for productivity and entertainment.Designed for Comfort and FocusThe narrow bezeled, 3-sided virtually borderless design and compact L-stand save space and reduce distractions, while tilt, height, and swivel adjustments support comfort and focus during long creative sessions.LG 40U990A-W FeaturesWorld's first 5K2K monitor with Thunderbolt 5 for pro-level performanceSee sharper, work smarter-5K2K clarity for design, editing, and visual precisionA wide 5K2K display built for creative precision and focused workflowsNano IPS Black and HDR 600 deliver deep blacks, vivid color, and contrastFrom bold to subtle, up to 99% DCI-P3 ensures impeccable color in every project2000:1 contrast ratio delivers deeper blacks and remarkable visual depthThunderbolt 5 powers fast, stable 5K2K production with 96W chargingConnect two monitors and a laptop with a clean, single-cable daisy chain setupJoin VIP PROEarn 2X Points + Exclusive Perks!Sell or Trade your GearGet started in 3 easy stepsKey FeaturesImmerse yourself in stunning detail with a 39.7" 5K2K WUHD resolution for unparalleled clarity.Experience fluid motion and reduced blur with a rapid 120Hz refresh rate, perfect for gaming and fast-paced visuals.Enjoy true-to-life colors and wide viewing angles thanks to the advanced Nano IPS panel technology.Boost your productivity with a 21:9 aspect ratio and curved 2500R design for an expansive, immersive workspace.Simplify your setup with versatile connectivity, including Thunderbolt 4, USB-C, HDMI, and DisplayPort 2.1.Achieve professional-grade color accuracy with DCI-P3 99% coverage and factory color calibration for stunning visuals.What's in the box:LG UltraFine 40U990A-W 39.7" 21:9 5K2K WUHD 120Hz Curved Thunderbolt Hub Nano IPS LED HDR Monitor (WPower CableDisplayPort CableHDMI CableThunderbolt CableUSB-C CableLG 3 Year Limited Warranty
- 40" 5K2K WUHD (5120 x 2160) Nano IPS Black
- Curved (2500R) Display
- Thunderbolt 5 with PD 96W
- VESA DisplayHDR 600 & DCI-P3 99%
- Built-in Speaker with Rich Bass
- Tilt/Height/Swivel Adjustable Stand & Built-in Power
- Thunderbolt 5x2, USB-Cx4, HDMI2.1x2, DisplayPort2.1x1
The 30-Second Version
This 40-inch 5K2K panel with Thunderbolt 5 basically turns your desk into a command center. With 99% DCI-P3 coverage, 120Hz refresh, and top-tier connectivity, it's a productivity beast. Just be ready for the 14.1kg weight and double-check the vendor price before you hit buy.
Overview
The LG UltraFine 40U990A-W lands in our database with some pretty wild stats: connectivity in the 100th percentile and display quality in the 98th. That means it's literally the best-connected monitor we've ever tested and its visuals are nearly unbeatable. On paper, you're looking at a 39.7-inch 5K2K (5120x2160) Nano IPS Black panel that delivers a 2000:1 contrast ratio, covers 99% of DCI-P3, and sports VESA DisplayHDR 600. It's the sort of display that makes spreadsheets and timelines feel like real estate, not a cramped desk. We gave it a 99.1 out of 100 for office work, and it's easy to see why. But here's the thing: while it's a productivity monster, it's not trying to be a gaming monitor. The 120Hz refresh rate and FreeSync Premium are nice, but with a 5ms response time and a performance score landing right about average (56th percentile), it's more 'smooth workspace' than 'frag machine.' That's fine, because LG built this for creators and multitaskers who need acres of sharp real estate and the fastest ports money can buy.
Performance
Connectivity is where this monitor absolutely flexes. Thunderbolt 5 with 96W power delivery lets you connect and charge a modern MacBook Pro with a single cable, and you've got a total of four USB-C ports, two HDMI 2.1, and DisplayPort 2.1. That 100th percentile ranking isn't just a number—it's a practical dream for anyone juggling multiple devices. Want to run two computers side-by-side? The built-in KVM and PIP/PBP make it seamless. The display itself is a treat, even if it's not OLED. At 450 nits, HDR content looks impressive but not blinding, and the 120Hz panel makes everything from scrolling to timeline scrubbing feel fluid. Color accuracy is top-notch (99% DCI-P3) and the 2000:1 contrast from the Nano IPS Black coating gives blacks some real depth without the burn-in worries. For office tasks, this panel is a standout; for gaming, it's solid but not stellar—its response time and lack of true HDR brightness hold it back from competing with faster OLEDs.
Pros & Cons
Pros
- Thunderbolt 5 + 96W charging simplifies any desk setup 100th
- 5K2K resolution on a 40" curved panel is a multitasker's paradise 98th
- 99% DCI-P3 and 2000:1 contrast make colors and blacks pop without OLED risk 98th
- 120Hz refresh and FreeSync Premium add smoothness to everyday work 97th
- Best-in-class connectivity with four USB-C, dual HDMI 2.1 and DP 2.1
Cons
- Weighs a hefty 14.1kg; you'll need a serious desk and VESA arm
- Performance score (56th percentile) won't impress competitive gamers
- 450 nits peak brightness can feel limiting in very bright rooms
- Portability is practically nonexistent (17/100 score)
- Price jumps from $1,370 to a laughable $564,637 across vendors, so shop carefully
The Word on the Street
Specifications
Full Specifications
Display
| Size | 40" |
| Resolution | 5120x2160 |
| Panel Type | Nano-IPS |
| Aspect Ratio | 21:9 |
| Curved | Yes |
| Curvature | 2500 |
Performance
| Refresh Rate | 120 Hz |
| Response Time | 5 |
| Adaptive Sync | FreeSync Premium |
Color & HDR
| Brightness | 450 nits |
| Color Gamut | DCI-P3 99% (CIE1976) |
| Color Depth | 10-bit |
| HDR | DisplayHDR 600 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| USB-C | 4 |
| Thunderbolt | Thunderbolt 5 x 2 |
| Speakers | Yes |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | Yes |
| VESA Mount | 100x100 |
Features
| Webcam | No |
| Touchscreen | No |
| PIP/PBP | Yes |
| Power | 45 |
| Weight | 14.1 kg / 31.1 lbs |
Value & Pricing
Pricing for this monitor is a bit of a rollercoaster. Some vendors list it around $1,370, which is steep but justifiable for the sheer screen real estate and Thunderbolt 5. Then you've got others asking over half a million dollars—likely a data glitch, but it's a good reminder to stick with reputable retailers like Newegg (where we saw the $1,370 tag). At that lower price, you're getting a future-proof hub and a stunning canvas for under half the cost of Apple's Pro Display XDR. For a professional multitasker, that's a solid deal.
vs Competition
Stacked against the competition, the LG UltraFine 40U990A-W carves out a very specific niche. The Samsung Odyssey Neo G9 G95NC gives you a bonkers 57-inch super-ultrawide mini-LED panel with way more gamer cred, but it lacks Thunderbolt 5 and its price is even higher. The Alienware AW3425DW and Gigabyte MO27U2 are gorgeous OLEDs with faster response times, perfect for gaming, but they top out at 3440x1440 and 27-inch 4K respectively, so they can't touch the LG's 5K2K workspace. Even the ASUS ROG Strix XG27AQDMG, a brilliant OLED, is a 27-inch 1440p panel. If your workflow demands a single cable MacBook connection and a massive high-res desktop, the LG stands alone. Just don't expect OLED blacks or 240Hz speeds.
| Spec | LG UltraFine 40U990A-W 40" | ASUS ROG Strix XG27AQDMG | MSI MAG MAG 272UP QD-OLED X24 | Samsung Odyssey Neo G9 G95NC | Gigabyte M Series OLED MO27U2 SA | Alienware AW-Series AW3425DW |
|---|---|---|---|---|---|---|
| Screen Size | 40 | 27 | 27 | 57 | 27 | 34.20000076293945 |
| Resolution | 5120x2160 | 2560x1440 | 3840 x 2160 | 7680 x 2160 | 3840x2160 | 3440x1440 |
| Panel Type | Nano-IPS | OLED | QD-OLED | VA | QD-OLED | QD-OLED |
| Refresh Rate | 120 | 240 | 240 | 240 | 240 | 240 |
| Response Time Ms | 5 | 0.029999999329447746 | 0.029999999329447746 | 1 | 0.029999999329447746 | 0.029999999329447746 |
| Adaptive Sync | FreeSync Premium | FreeSync Premium | FreeSync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro |
| Hdr | DisplayHDR 600 | DisplayHDR True Black 400 | DisplayHDR 400 True Black | HDR10+ | DisplayHDR 400 | DisplayHDR TrueBlack 400 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Compact | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG UltraFine 40U990A-W 40" | 95.9 | 81.9 | 98.4 | 97.3 | 90 | 56.4 | 100 | 98.1 |
| ASUS ROG Strix XG27AQDMG Compare | 95.7 | 73.2 | 75.9 | 71.9 | 90 | 97.8 | 92.7 | 98.1 |
| MSI MAG MAG 272UP QD-OLED X24 Compare | 99.1 | 62.7 | 97.3 | 85.9 | 90 | 97.8 | 81.4 | 78.7 |
| Samsung Odyssey Neo G9 G95NC Compare | 96.5 | 73.2 | 99.7 | 97.3 | 71.2 | 87.9 | 99.1 | 98.1 |
| Gigabyte M Series OLED MO27U2 SA Compare | 95.4 | 62.7 | 97.3 | 85.9 | 90 | 97.8 | 81.4 | 67.6 |
| Alienware AW-Series AW3425DW Compare | 97.9 | 79.4 | 85.3 | 91.6 | 90 | 97.8 | 94.9 | 98.1 |
Common Questions
Q: Is the LG 40U990A-W good for gaming?
It's okay for casual gaming thanks to 120Hz and FreeSync Premium, but its 5ms response time and average performance ranking (56th percentile) mean it won't keep up with dedicated gaming monitors. You'll enjoy single-player titles, but competitive FPS players should look elsewhere.
Q: Can this monitor charge my laptop over Thunderbolt 5?
Yes, it provides up to 96W of power delivery, which is enough to charge a 16-inch MacBook Pro or most high-end ultrabooks. You'll need a Thunderbolt 5 cable, and LG thoughtfully includes one in the box.
Q: How does Nano IPS Black compare to OLED?
Nano IPS Black doubles typical IPS contrast to 2000:1, so you get deeper blacks than standard IPS without the risk of burn-in. It's not as infinite as OLED, but the trade-off is a more durable panel that's better for static productivity apps and long hours.
Who Should Skip This
If you prioritize fast-paced gaming, true HDR brightness, or need to move your monitor often, this isn't your screen. The 56th percentile performance score and 450-nit peak brightness don't cut it for high-level esports or HDR movie marathons. Also, anyone with a small desk or weak monitor arm should steer clear—that 14.1kg chassis is a beast to position.
Verdict
If you're a Mac-based creator or a programmer who lives in multiple windows and timelines, the LG UltraFine 40U990A-W is a no-brainer. Its 5K2K resolution, Thunderbolt 5 integration, and color accuracy make it arguably the best productivity monitor we've seen for desk-bound pros. That said, the weight, chunky design, and middling gaming performance mean it's not for everyone. Shop the $1,370 price point and you'll have a powerhouse that'll outlast your next few laptop upgrades.
