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Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

The LG UltraWide 34U640B-B monitor offers a 34-inch curved screen with a 1800R curvature that enhances immersive viewing experiences. It features a native resolution of 3440 x 1440, delivering vivid images with 1.07 billion colors supported and a color gamut covering 99% of sRGB. With a 144 Hz refresh rate and 5 ms response time, this monitor provides smooth gameplay and fluid motion for various media consumption.

Additionally, this monitor comes equipped with multiple built-in features, including Black Stabilizer, Color Weakness Mode, and adaptive-sync technology using AMD FreeSync Premium. The USB hub and USB Power Delivery support of up to 65 watts add to the functionality, allowing users to connect various devices easily. The design incorporates a three-side virtually borderless view, enhancing aesthetic appeal and making it a suitable addition to any workspace or gaming setup.


Features Summary

  • Immersive curved design
    The 34-inch curved screen with a 1800R curvature provides an immersive viewing experience, allowing users to dive deeper into their content whether gaming or watching movies.
  • Vivid color accuracy
    With support for 1.07 billion colors and a 99% sRGB color gamut, the monitor ensures that images are vibrant and true to life, making it ideal for graphic designers and video editors.
  • High refresh rate and quick response
    The 144 Hz refresh rate combined with a 5 ms response time enhances gameplay by reducing motion blur and providing a smoother, more responsive experience.
  • Variety of connectivity options
    Equipped with HDMI, DisplayPort, and USB-C outputs, this monitor facilitates easy connection with multiple devices, making it versatile for different setups.
  • Energy-efficient performance
    With a Class F energy rating and low power consumption in standby and off modes, this monitor is designed to be cost-effective, conserving energy without sacrificing performance.

Specification Summary

Product Description
LG UltraWide 34U640B-B - LED monitor - curved - 34" - HDR
Device Type
LED-backlit LCD monitor - 34"
Energy Label QR Code URL
Https://eprel.ec.europa.eu/qr/2570485
Energy Class
Class F
Curved Screen
Yes
Adaptive-Sync Technology
AMD FreeSync Premium
Features
USB 3.2 Gen 1/USB-C hub, USB PD 65 watt
Panel Type
VA
Aspect Ratio
21:9
Native Resolution
WQHD 3440 x 1440 at 144 Hz
Pixel Pitch
0.23175 mm
Brightness
300 cd/m²
Contrast Ratio
4000:1
HDR Capable
HDR10
Response Time
5 ms (grey-to-grey)
Colour Support
1.07 billion colours
Colour Gamut
99% sRGB (CIE 1931)
Input Connectors
2xHDMI, DisplayPort, USB-C
Display Position Adjustments
Tilt, height
Voltage
AC 100-240 V (50/60 Hz)
Dimensions (WxDxH) - with stand
80.91 cm x 22 cm x 46.44 cm
Weight
7.7 kg
Manufacturer Warranty
2-year warranty

Specifications

EAN / GTIN:
8806096803882
General
Display Type
LED-backlit LCD monitor / TFT active matrix
Energy Label QR Code URL
Https://eprel.ec.europa.eu/qr/2570485
Energy Class
Class F
Energy Class (HDR)
Class G
Diagonal Size
34"
Curved Screen
Yes (1800R)
Adaptive-Sync Technology
AMD FreeSync Premium
Built-in Devices
USB 3.2 Gen 1/USB-C hub
USB Power Delivery
65 watt
Panel Type
VA
Aspect Ratio
21:9
Native Resolution
WQHD 3440 x 1440 at 144 Hz
Pixel Pitch
0.23175 mm
Pixel Per Inch
110
Brightness
300 cd/m²
Contrast Ratio
4000:1
HDR Format
HDR10
Colour Support
1.07 billion colours
Colour Gamut
99% sRGB (CIE 1931)
Response Time
5 ms (grey-to-grey)
Horizontal Viewing Angle
178
Vertical Viewing Angle
178
Backlight Technology
LED backlight
Features
HDR Effect, Factory Calibration, Flicker Safe, Reader Mode, Color Weakness Mode, Super Resolution+, auto input switch, picture by picture, Picture-in-Picture, Smart Energy Saving technology, DAS Mode (Dynamic Action Sync), Crosshair Display, Black Stabilizer, Variable refresh rate (VRR), 3-side virtually borderless design
Dimensions (WxDxH)
80.91 cm x 22 cm x 46.44 cm - with stand
Weight
7.7 kg
Connectivity
Interfaces
2 x HDMI (HDCP 2.2) ¦ DisplayPort 1.4 (HDCP 2.2) ¦ Headphone jack (mini-jack) ¦ USB-C upstream (power up to 65W) ¦ 2 x USB 3.2 Gen 1 downstream (Type A)
Mechanical
Display Position Adjustments
Tilt, height
VESA Mounting Interface
100 x 100 mm
Miscellaneous
Features
Security lock slot (cable lock sold separately)
Cables Included
1 x HDMI cable ¦ 1 x DisplayPort cable ¦ 1 x USB-C cable
Security Slot Type
Kensington security slot
Power
Input Voltage
AC 100-240 V (50/60 Hz)
Power Consumption SDR (On mode)
30 kWh/1000h
Power Consumption HDR (On mode)
39 kWh/1000h
Power Consumption (Typical)
45 watt
Power Consumption Stand by
0.5 watt
Power Consumption (Off Mode)
0.3 watt
Software / System Requirements
Included Software
LG Switch, Dual Controller Software
Dimensions & Weight
Dimensions & Weight Details
With stand - width: 80.91 cm - depth: 22 cm - height: 46.44 cm - weight: 7.7 kg ¦ Without stand - width: 80.91 cm - depth: 9.15 cm - height: 35.9 cm - weight: 5.6 kg
Dimensions & Weight (Shipping)
Shipping Width
98.6 cm
Shipping Depth
18.8 cm
Shipping Height
47 cm
Shipping Weight
10.4 kg
Manufacturer Warranty
Service & Support
Limited warranty - 2 years

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