LG 34U640B-B 34" 21:9 Ultrawide WQHD 144Hz Curved VA LCD HDR Monitor

Widescreen Workflows Made Effortless
Upgrade your desktop setup with a curved 34" 21:9 UltraWide WQHD display that lets you see more at once. Enjoy smooth 144Hz visuals, vibrant HDR color, and a sleek, narrow-bezel design-perfect for on-screen multitasking, creativity, and everyday comfort.

Curved 21:9 UltraWide WQHD Display
The 21:9 UltraWide WQHD (3440x1440) display gives you room to work across multiple apps at once-reducing window switching and improving focus. The subtle 1800R curve follows your natural line of sight for comfortable long sessions, while the sleek design keeps your workspace open, clean, and distraction-free.

Up to 99% sRGB Color Coverage
Up to 99% sRGB coverage and HDR10 support deliver balanced color and smooth tonal transitions across documents, media, and HDR content.

USB Type-C: All-in-One Connectivity
USB-C connectivity simplifies your setup by handling display, data, and up to 65W laptop charging through a single cable. With DisplayPort and HDMI and two USB ports also on board, it's easy to connect laptops and peripherals for a cleaner desk and smoother workflows.

Dual Controller (KVM Switch)
Control two PCs with a single monitor, keyboard, and mouse. Easily switch between devices and move files between systems with simple drag-and-drop-streamlining your setup and reducing desk clutter without extra hardware.

Customize Your Screen View with the Switch App
The Switch app transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey.

AMD FreeSync Premium Technology
Powered by AMD FreeSync Premium certification, this monitor delivers tear-free, ultra-smooth visuals with low latency-so fast motion stays controlled, responsive, and visually precise during gameplay.

144Hz Keeps Motion Super Smooth
With a 144Hz refresh rate1 and 5ms response time, this UltraWide keeps visuals smooth and clear. Perfect for video calls, streaming, and gaming.

Reader Mode Brings Comfort to Reading
Reader Mode reduces blue light displaying warmer hues and tones ideal for reading documents or browsing for extended periods.

Space-Saving Stand with Adjustable Screen
UltraWide's slim stand with a square base helps keep your workspace clean and organized while saving valuable desk space. The 3-side virtually borderless screen with tilt and height adjustability makes it easy to dial in a comfortable viewing position, and one-click mounting allows for quick, and easy setup.