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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

E-Catalog UK editor, Monitors
Dmytro Prokopenko, edited 19.08.2026
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

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LG 34" UltraWide™ Monitor, 144Hz WQHD Curved (1800R), USBC, HDR 10, sRGB 99, Black 34U640BB Black 34U640B

LG 34" LG UltraWide™ Monitor, 144Hz WQHD Curved (1800R), USB-C, HDR 10, sRGB 99%, Black.. LG. Life's Good.
Official partner LG
Lg.com
Delivery: in United Kingdom
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£279.00
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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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£279.99
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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 34-inch... more21:9 UltraWide™ WQHD (3440×1440) Curved Monitor: The UltraWide™ WQHD (3440×1440) resolution with a 21:9 aspect ratio offers ample screen space to run multiple programs simultaneously. enhancing work efficiency. The 1800R curvature follows the natural field of view to reduce distortion. while the 3-side virtually borderless screen provides an unobstructed. wide display for a more immersive and comfortable viewing experience.HDR 10 compatibility and 99% sRGB coverage (typ.) provide accurate colour reproduction and tone mapping in HDR scenes.This monitor offers USB Type-C®. DisplayPort. HDMI ports and built in USB Hub 2 down to ensure smooth connectivity with various devices. The USB Type-C® port supports both display output and data transfer. allowing easy connection to your laptop with a single cable.Fluid gaming experience with 144Hz refresh rate: Delivers smooth and responsive performance with a 144Hz refresh rate. delivering fluid visuals and clearer motion for more responsive gameplay that gives you a competitive edge.Powered by AMD FreeSync™ Premium certification. this monitor provides tear-free. ultra-smooth visuals and low latency. delivering unmatched gaming precision and fluidity.Experience our 3-side virtually borderless design with an adjustable base that supports both tilt and height control. Its slender. clutter-free stand minimizes desk space and reduces unused space. creating a cleaner and more refined workspace. Adjustable comfort with tilt. and height adjustments.
Pcnova.co.uk
Delivery: in United Kingdom
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£298.63
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LG UltraWide 34U640B-B Wide QHD 34" Curved VA LED Gaming Monitor - Black, Black

The LG UltraWide 34U640B-B Wide QHD 34" Curved VA LED Gaming Monitor is best for ultra-wide gaming and streaming. Its 34" cur... moreved screen fills more of your field of view, making it easier to lose yourself in games, films and creative projects. The Wide Quad HD (WQHD) resolution gives you plenty of screen space for gaming, multitasking and detailed work. With a 144 Hz refresh rate, fast-moving action looks smoother and more responsive on screen. And its VA panel delivers deep blacks and strong contrast, helping scenes look richer and more detailed.AMD FreeSync Premium - reduces screen tearing and stuttering during gameplay5 ms response time - movement looking smoother during fast-paced
Currys.co.uk
Delivery: to United Kingdom
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£299.00
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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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£299.98
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