LG - UltraWide 34" VA Curved WQHD 100Hz Monitor with HDR 10 (HDMI, DisplayPort, USB-C) - Black
About this product
For work or even play, see the big picture with the LG UltraWIde 34" WQHD curved monitor, the ultimate screen space upgrade for those who crave more screen space. The wide 21:9 aspect ratio and 3440 x 1440 resolution offer a crisp, immersive workspace—perfect for those whose work demands lots of screen space to see multiple windows all at once. Enjoy smoother performance with a 100Hz refresh rate and the convenience of USB Type-C connectivity, delivering power and data through a single cable. The height and tilt-adjustable stand ensures ergonomic comfort, while the 3-side virtually borderless design keeps your focus where it matters. Multitasking and managing large projects on one display has never been easier.
Highlights
Features
More Space for Multi-Tasking
The 21:9 UltraWide WQHD (3440 x 1440) monitor is great for work. The widescreen allows you to see everything you're working on, with multiple windows open, all on one screen.
Pictures That Pop
Immerse yourself in a world of brilliant color from HDR10 that helps enhance picture quality and up to 99% sRGB color gamut expression to make games pop.
Easier User Interface
You can customize the workspace by splitting the display or adjusting basic monitor options with just a few mouse clicks.¹
Multi-Tasking Evolved
OnScreen Control supports Picture-by-Picture (PbP) allowing you to configure your monitor to show content from two separate input sources. Play, watch, stream or work from multiple input sources at the same time, on one screen.¹
Multiple Devices-One Cable
Seamlessly connect to external devices or charge your laptop with the convenience of USB Type-C with up to 65W power delivery.
Easy Viewing, Comfortable Reading
Watch your monitor for longer periods of time. Reader Mode provides optimal conditions for reading by reducing blue light.
Versatile Connectivity
Connect with confidence. Along with USB Type C, this UltraWide monitor has two HDMI ports, two USB ports, a DisplayPort and headphone jack.
Easy and Comfortable
The ergonomic stand makes it easy to flexibly adjust the height and tilt of the screen in the optimal position for you.
Specifications
- Refresh Rate100HzMaximum Resolution3440 x 1440Response Time5 millisecondsPanel TypeVASynchronization TechnologyNot Applicable, Not Applicable
Reviews
Rating 4.7 out of 5 stars with 33 reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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For work or even play, see the big picture with the LG UltraWIde 34" WQHD curved monitor, the ultimate screen space upgrade for those who crave more screen space. The wide 21:9 aspect ratio and 3440 x 1440 resolution offer a crisp, immersive workspace—perfect for those whose work demands lots of screen space to see multiple windows all at once. Enjoy smoother performance with a 100Hz refresh rate and the convenience of USB Type-C connectivity, delivering power and data through a single cable. The height and tilt-adjustable stand ensures ergonomic comfort, while the 3-side virtually borderless design keeps your focus where it matters. Multitasking and managing large projects on one display has never been easier.

The 34U640B-B LG UltraWide monitor is built to elevate productivity, creativity, and everyday comfort. Its expansive 34" 21:9 UltraWide WQHD (3440×1440) display gives you more room to multitask across multiple windows—reducing clutter and helping you stay focused. A subtle 1800R curve and slim, virtually borderless design create a more natural, distraction-free workspace. A 144Hz refresh rate¹ and 5ms response time keep visuals smooth and clear for video calls, streaming, and gaming. AMD FreeSync Premium reduces tearing and stutter for controlled responsive motion. With up to 99% sRGB coverage and HDR10 support, content appears vibrant and consistent across documents, media, and HDR visuals. Simplify your setup with USB-C connectivity, delivering display, data, and up to 65W laptop charging through a single cable. HDMI, DisplayPort, and dual USB ports make it easy to connect multiple devices while keeping your desk clean and organized. Control two PCs with one monitor, keyboard, and mouse, and move files between systems with simple drag-and-drop—no extra hardware required. The Switch app² enhances productivity by letting you split the screen into up to six sections, customize layouts, or launch video calls instantly with a hotkey. Reader Mode reduces blue light with warmer tones for easier reading and browsing. The slim stand saves desk space, while height and tilt adjustment help you find a comfortable viewing position. One-click mounting makes setup quick and effortless.

One screen. Endless possibilities. The 21:9 ultra-wide 34” curved Smart monitor offers stunning widescreen visuals and a sleek design that's perfect for work, play, cinematic viewing, and everything in between. Experience vivid color with up to sRGB 99% coverage, HDR10 support and impeccable clarity with the 21:9 WQHD (3440x1440) screen, bringing every detail to life. Thanks to LG’s streaming platform webOS23¹, find your favorites fast with built-in access to Netflix, Prime Video, the Apple TV app, Disney+, HBO Max and instant access to over 300+ free LG Channels with everything from comedy to movies to sports. Apple AirPlay 2 & HomeKit compatibility² allow you to wirelessly control your monitor plus cast and mirror content from iOS or MacOS devices, no Apple TV necessary. Gaming on the monitor’s wide screen with the 100Hz refresh rate assures ultra-smooth action.

Samsung's 34" ViewFinity S50GC offers a wider workspace featuring a 21:9 ratio and lifelike detail with Ultra-WQHD resolution. AMD FreeSync and 100Hz refresh rate allow an ultra-smooth user experience. Avoid eyestrain with TUV-certified Intelligent Eye Care that automatically adjusts brightness. With HDR10 that displays over 1 billion colors compared to 16.7 million for typical SDR technology, dark colors are darker and the brightest are even brighter.
| Pros for LG - UltraWide 34" VA Curved WQHD 100Hz Monitor with HDR 10 (HDMI, DisplayPort, USB-C) - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Screen Size, Overall Performance, Resolution, Refresh Rate, Smart Features | Screen Size, Overall Performance, Resolution, Refresh Rate, Ease of use |
| Cons for LG - UltraWide 34" VA Curved WQHD 100Hz Monitor with HDR 10 (HDMI, DisplayPort, USB-C) - Black | |||
| There were no cons for this product— | There were no cons for this product— | Connectivity, Controls | Speakers, Stand, Curvature |






































































