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LG UltraWide 34U640B 34 " black (34U640B-B)

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LG UltraWide 34U640B 34 " black
2026UltraWide (ultrawide 21:9)curvedHDRFreeSyncKVMPower Delivery
Screen size:34 "
Resolution:3440x1440 (21:9)
Panel:*VA, response 5 ms
Frequency:144 Hz
Contrast:4 000:1
Brightness:300 cd/m²
Functions:HDR, AMD FreeSync Premium, PBP, Flicker-Free
Connectors:USB-C (DP Alt Mode) • DisplayPort v1.4 • 2xHDMI v2.0
All specifications
Specifications UltraWide 34U640B
Colour
Product typemonitor
Size34 "
Screen
Curved screen1800R
Panel type*VA
Surface treatmentanti-glare
Resolution3440x1440 (21:9)
FPS144 Hz
Pixel size0.23 mm
Response time (GtG)5 ms
Vertical viewing angle178 °
Horizontal viewing angle178 °
Brightness300 cd/m²
Static contrast4 000:1
Colour depth1.07B Colors
Colour space (sRGB)99 % / CIE1931 /
HDR+
Connection
Video transmissionDisplayPort v1.4
2xHDMI v2.0
USB-C (DP Alt Mode)
Power Delivery
Power PD65 W
USB-A hub2x5Gbps
Connectors (optional)mini-Jack output (3.5 mm)
Features
FeaturesKVM switch
PBP (Picture by Picture)
Flicker-Free
AMD FreeSync Premium
Height adjustment / 80 mm /
Game Featuresbrighten darker areas / Black Stabilizer /
General
Wall mountVESA 100x100mm
Power consumption40 W
External power supply
Dimensions (WxHxD)809x464x220 mm
Dimensions without stand (WxHxD)809x359x92 mm
Weight7.7 kg
Weight without stand5.6 kg
Official Websitelg.com
Added to E-CatalogJune 2026
P/N
34U640B-B

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
How to Choose a Gaming MonitorWe understand matrix types, suitable resolution, FreeSync and other important aspects when choosing a gaming monitor
Monitor matrices types: TN+film, IPS, VA, OLED, QLED and QD-OLEDCurrent types of monitor matrices, their pros and cons, as well as recommendations for selection

Buy LG UltraWide 34U640B 34 " black

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Lg 34U640B-B.AEU

EU PlugElevate your productivity and immerse yourself in stunning visuals with the LG UltraWide 34U640B-B 34-inch WQHD monito... morer.Designed for the modern professional, this display redefines your workspace by offering an expansive 21:9 aspect ratio.This panoramic view allows you to see more and do more, effectively replacing a dual-monitor setup with a single, seamless screen.Manage multiple windows, view lengthy timelines, and compare documents side-by-side without the interruption of a central bezel, streamlining your workflow for maximum efficiency.The expansive screen real estate is perfect for both professional and domestic office environments where multitasking is key.Experience exceptional image clarity and color fidelity thanks to the WQHD (3440x1440) 2K resolution.This high-resolution display delivers sharp, detailed images, making everything from text to complex graphics incredibly crisp.The foundation of its visual excellence is the advanced IPS (In-Plane Switching) panel, which ensures consistent, vibrant colors and wide viewing angles of up to 178 degrees.With support for a sRGB 99% color gamut, this monitor reproduces colors with outstanding accuracy, making it an ideal choice for content creators, designers, and anyone who demands true-to-life visuals.The display is further enhanced with HDR10 compatibility, which elevates contrast and brightness to deliver a more dynamic and lifelike picture when viewing HDR content.The LG 34U640B-B is engineered not only for performance but also for user comfort during extended work sessions.Features like Reader Mode reduce blue light emissions to help lessen eye fatigue, creating a paper-like viewing condition perfect for reading documents and articles.Additionally, Flicker Safe technology minimizes onscreen flicker to near-zero, protecting your eyes from strain.The monitor´s ergonomic stand offers versatile height and tilt adjustments, allowing you to easily find your most comfortable viewing position.As a leading display in the 33.0-42.0 inch category, it offers flexible connectivity with multiple HDMI and DisplayPort inputs, ensuring compatibility with a wide range of devices.Main Features & Technical Specifications:* Product:LG UltraWide 34U640B-B * Screen Size:34 inches * Panel Technology:IPS (In-Plane Switching) with LED backlight * Resolution:WQHD (3440x1440) * Aspect Ratio:21:9 UltraWide * Refresh Rate:60Hz * Color Gamut:sRGB 99% (CIE1931) * High Dynamic Range:HDR10 * Special Features:Reader Mode, Flicker Safe, OnScreen Control, Dual Controller * Connectivity:HDMI, DisplayPort * Energy Efficiency Class:G
Tradeinn.com
Delivery: in United Kingdom
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£296.99
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LG UltraWide 34 VA QHD 144Hz USB-C Height-Adjustable Curved Monitor Black 34U640B-B.AEK

Curved UltraWide QHD DisplayExperience immersive viewing with the LG UltraWide 34 curved monitor featuring a 21 9 QHD resolut... moreion of 3440 x 1440. The expansive screen provides more workspace for multitasking content creation entertainment and gaming while the 1800R curve enhances comfort and focus during extended use . Smooth 144Hz PerformanceEnjoy ultra-smooth visuals with a fast 144Hz refresh rate and responsive 5ms GtG response time. Whether gaming streaming or handling fast-moving content the monitor delivers fluid motion with reduced blur and improved responsiveness. AMD FreeSync Premium support also helps minimize screen tearing and stuttering for seamless gameplay . Rich and Accurate VisualsThe VA panel delivers deep contrast and vibrant color reproduction with up to 99% sRGB color coverage and HDR10 support. Images appear more detailed and lifelike making the monitor ideal for creative work multimedia viewing and immersive entertainment . USB-C ConvenienceSimplify your workspace with USB-C connectivity that supports video data transfer and up to 65W power delivery through a single cable. Additional HDMI and DisplayPort inputs provide flexible connectivity options for laptops PCs and gaming consoles . Built-In KVM and Productivity FeaturesThe integrated Dual Controller and KVM functionality allow you to control two connected devices using one keyboard and mouse setup. Combined with LG Switch software for screen partitioning and multitasking the monitor is designed to improve workflow efficiency and desk organization . Ergonomic and Space-Saving DesignDesigned for comfort and flexibility the monitor includes a height-adjustable and tilt-adjustable stand for personalized viewing angles. The slim stand and three-side virtually borderless design create a clean modern setup while maximizing desk space . Eye Comfort FeaturesReader Mode and Flicker Safe technology help reduce eye strain during long working sessions by minimizing blue light exposure and screen flicker. This makes the monitor comfortable for productivity reading and extended everyday use..
Laptopsdirect.co.uk
Delivery: to United Kingdom
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£338.97
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LG LG UltraWide 34U640B-B 34" WQHD VA 144Hz FreeSync Curved Ultrawide Productivity Monitor 34U640B-B.AEK

LG UltraWide 34U640B-B 34" Curved Productivity Monitor – 34” display size, WQHD (3440x1440) resolution, 21:9 aspect ratio, 18... more00R curve, VA panel, 144Hz refresh rate, 5ms GTG response time, AMD FreeSync Premium, HDR10, 99% sRGB, DisplayPort 1.4, HDMI 2.0, USB-C with 65W power delivery, and LG Switch support. LG UltraWide 34U640B-B 34" Curved Productivity Monitor at a Glance: 34” ultrawide curved monitor with WQHD (3440x1440) resolution VA panel with 1800R curve for enhanced immersion Smooth performance with 144Hz refresh rate and 5ms response time HDR10 and 99% sRGB facilitate vibrant, authentic colour AMD FreeSync Premium support Optimised connectivity with HMDI 2.0, DisplayPort 1.4 and USB-C with 65W power delivery Optimised Productivity The LG UltraWide 34U640B-B 34" Curved Productivity Monitor is great for work and content creation. The 34” ultrawide display harnesses a WQHD (3440x1440) resolution with a 21:9 aspect ratio, optimising screen real estate for side-by-side applications and sharp detail. Plus, both HDR10 and the 99% sRGB colour space ensure vibrant, authentic colour. Picture-perfect quality with seamless multitasking! What’s more, there are HDMI 2.0, DisplayPort 1.4, and USB-C connectivity options, supporting various devices for a streamlined set-up. Better yet, the USB-C port features 65W power delivery, which is perfect for mobile devices like laptops. Power, data, and video can be supplied all by one cable! For optimal performance, the LG UltraWide 34U640B-B 34" Curved Productivity Monitor is supported by LG Switch. This software allows access to a range of tools and settings that you can fine-tune. Adjust brightness, assign hotkeys, and even select image quality! Immersive Gaming In addition to this, the LG UltraWide 34U640B-B 34" Curved Productivity Monitor is engineered for immersion. With a 1800R curve, this monitor fills your vision comfortably and puts you at the heart of the action. For smooth performance, the LG UltraWide 34U640B-B 34" Curved Productivity Monitor has a 144Hz refresh rate and 5ms response time. This ensures all images are fluid and responsive, with minimal motion blurring. To boost performance further, there is support for AMD FreeSync Premium variable refresh rate technology, which matches the display’s frame rate with your GPU output. As a result, you can game with reduced screen-tearing, ghosting, and stuttering for an immersive experience. Clutter-Free Design To ensure maximum desk space, the LG UltraWide 34U640B-B 34" Curved Productivity Monitor has a sleek and minimalist stand. The small footprint means you have better surface area for peripherals and accessories. What’s more, this stand enables you to adjust the tilt and height of the monitor, for the best comfort and visibility. Specifications Picture Quality PPI 110 Color Depth (Number of Colors) 1.07B Aspect Ratio 21:9 Brightness (Typical, Minimum) (Typ.) 300 cd/m² (Min.) 240 cd/m² Color Gamut (Typ.)
Overclockers.co.uk
Delivery: to United Kingdom
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£348.95
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LG UltraWide 34U640B-B 34" 1800R 2K 144Hz FreeSync Premium HDR1 0 VA C

Scan.co.uk
Delivery: to United Kingdom
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£349.99
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LG UltraWide™ U6 34U640B-B.AEK. 34-inch WQHD Curved (1800R) 144Hz Moni

LG UltraWide™ U6 34U640B-B.AEK. 34-inch WQHD Curved (1800R) 144Hz Monitor. HDR10 and 99% sRGB. AMD FreeSync™ Premium
LaptopHub.uk
Delivery: in United Kingdom
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£354.20
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