LG Ultrawide 34U640B-B 34" Class Uw-Qhd Curved Screen LCD Monitor - 21:9 - Negro - 34" Viewable - Vertical Alignment (va) - 3440 X 1440 - 1.07 Billion Colors - FreeSync Premium - 300 Cd/m² - 5 Ms - Height, Tilt - USB Type-C - Hdmi - DisplayPort - Vesa M
SKU
446096
Brand
MPN
34U640B-B
Warranty
Standard Manufacturer's Warranty
Availability
In stock
$664.00
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QUICK OVERVIEW
34U640B-B
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 (3440×1440) 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 rate 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.
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 (3440×1440) 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 rate 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.
| Aspect Ratio | 21:9 |
| Built-in Devices | KVM Switch |
| Product Type | LCD Monitor |
| Response Time | 5 ms |
| Brightness | 300 cd/m² |
| Colour Supported | 1.07 Billion Colors |
| Mount Type | Wall Mountable, Desk Mountable |
| Viewable Screen Size | 34" |
| Maximum Resolution | 3440 x 1440 |
| Brand Name | LG |
| Screen Mode | UW-QHD |
| Number of Screens | 1 |
| USB | Yes |
| HDMI | Yes |
| VESA Mount Compatible | Yes |
| DisplayPort | Yes |
| Product Family | Ultrawide |
| Panel Technology | Vertical Alignment (VA) |
| Curved Screen | Yes |
| Tearing Prevention Technology | FreeSync Premium |
| USB Type-C | Yes |
| Screen Size Class | 34" |
| Product Color | Negro |
| Color Family | Other |
| Stand Adjustments | Height, Tilt |
| Adjustable Stand | Yes |
| Response Time Details | 5 ms GTG (Fast) |
| Pixel Pitch (Horizontal) | 0.23175 mm |
| Pixel Pitch (Vertical) | 0.23175 mm |
| Manufacturer Part Number | 34U640B-B |
| Manufacturer Website Address | https://solutions.lg.com/us |
| Manufacturer | LG Electronics |
| Product Model | 34U640B-B |
| Product Name | 34 Inch UltraWide, WQHD Curved (1800R) 144Hz Monitor |
| Product Line | Ultrawide |
| Total Number of HDMI Ports | 2 |
| Number of HDMI 2.0 Ports | 2 |
| Weight (Approximate) | 5.58 kg |
| Height | 358.1 mm |
| Width | 810.3 mm |
| Depth | 91.4 mm |
| Weight with Stand (Approximate) | 7.71 kg |
| VESA Mount Standard | 100 x 100 |
| Height with Stand | 464.82 mm |
| Width with Stand | 810.26 mm |
| Depth with Stand | 220.98 mm |
| Frequency | 60 Hz, 50 Hz |
| Pixel Pitch | 0.23175 mm x 0.23175 mm |
| Features | Blue Light Reduction, Black Stabilizer Technology, Auto Input Switch, Split Screen, Super Resolution+, SmoothMotion Technology, Smart Energy Saving, Reading Mode, Picture in Picture, Picture by Picture, Narrow Bezel, KVM, sRGB, Color Vibrance, Color Weakness Mode, Crosshair, DTS Headphone: X, Dual Controller, Dynamic Action Sync, Factory Calibration, Flicker-free, HDR10 |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Curvature | 1800R |
| Color Supported | 1.07 Billion Colors |
| Native Contrast Ratio | 4,000:1 |
| Color Gamut | 99% sRGB (CIE 1931) |
| Pixel Per Inch (PPI) | 110 |
| Shipping Dimensions | Height 18, Width 47.5, Length 97.2, Shipping Weight 10.5 KG |
LG Ultrawide 34U640B-B 34" Class UW-QHD Curved Screen LCD Monitor - 21:9 - Negro - 34" Viewable - Vertical Alignment (VA) - 3440 x 1440 - 1.07 Billion Colors - FreeSync Premium - 300 cd/m² - 5 ms - Height, Tilt - USB Type-C - HDMI - DisplayPort - VESA Mount Compatible - KVM Switch
