Meet the LG UltraWide 34U640B-B 34" VA WQHD Curved Monitor — a thoughtfully engineered display that expands your desktop, sharpens your focus, and elevates both productivity and entertainment. With a sweeping 21:9 UltraWide 3440 x 1440 resolution and a gentle 1800R curve, this monitor brings more of your workspace into view at once, reduces the need for constant window switching, and envelopes you in immersive visuals that stay comfortable during long sessions.
Benefits
- Maximize productivity: The 21:9 UltraWide canvas gives you room to run multiple apps side-by-side, compare documents, and keep reference material visible without cluttering your workflow.
- Enhanced immersion: The subtle 1800R curvature wraps the screen around your natural line of sight, reducing eye movement and increasing visual focus for creative work, streaming, and long gaming sessions.
- True-to-life visuals: Near-full sRGB coverage and HDR10 support deliver consistent, vibrant color and rich tonal detail across photos, video, and web content.
- Seamless connectivity and simplified desktop: USB-C handles display, data, and up to 65W laptop charging through a single cable, cutting down on clutter while keeping devices powered and connected.
- Smooth, responsive motion: A high refresh rate and adaptive-sync technology minimize tearing and lag so motion looks clean and natural whether you’re editing video, streaming, or enjoying fast-paced games.
- Expansive UltraWide WQHD Curved Display
- Vivid Color and Deep Contrast
- High Refresh and Fast Response
- Modern, Versatile Connectivity
- Productivity-Boosting Tools and Ergonomic Design
Key features
The 34" 21:9 UltraWide WQHD (3440 × 1440) screen gives you a panoramic workspace for multitasking, timelines, spreadsheets, and immersive media. The 1800R curve enhances depth and keeps every part of the screen comfortably visible for extended use.
Built on a VA panel, the monitor delivers up to 99% sRGB color coverage and a 4000:1 contrast ratio for deep blacks and rich midtones. HDR10 compatibility ensures improved highlights and shadow detail for HDR content and more lifelike imagery.
Enjoy smooth motion with a 144Hz refresh rate and a rapid 5ms GtG response (at Faster), tuned to reduce blur and ghosting. Combined with AMD FreeSync Premium, gameplay and fast-moving scenes appear tear-free and fluid.
USB-C connectivity supports display output, data transfer, and up to 65W charging through one cable, streamlining laptop docking and reducing desktop clutter. HDMI and DisplayPort inputs provide flexible connections for desktops, consoles, and peripherals.
Integrated KVM support lets one monitor control two PCs using a single keyboard and mouse, ideal for hybrid workflows. The LG Switch app and built-in screen-splitting features let you create custom layouts quickly. A narrow-bezel design and a space-saving stand with height and tilt adjustment keep your desk tidy while letting you find the most comfortable viewing position.
Summary
The LG UltraWide 34U640B-B brings an ideal balance of expansive workspace, color fidelity, and performance. Whether you’re a creative professional juggling palettes and timelines, a multitasker running dozens of browser tabs and spreadsheets, or a gamer and streamer seeking smooth, immersive visuals, this curved 34" WQHD monitor delivers the tools and experience to work and play more effectively. Streamline your setup with USB-C convenience, enhance your workflow with KVM and productivity apps, and enjoy consistently vivid imagery from a sleek, narrow-bezel design that keeps your focus front and center.
| Manufacturer | LG |
|---|---|
| Manufacturer Part | 34U640B-B |
| UPC | 195174147368 |
| Resolution | 3440 x 1440 (2K) |
| Panel Type | VA |
| Constrast Ratio | 4000:1 |
| Aspect Ratio | 21:9 |
| Response Rate | 5ms (GtG at Faster) |
| Brightness | 300 cd/m2 |
| Inputs | HDMI, DisplayPort |
| Manufacturer Warranty | Limited 3 Years |





