LG 27U421A 27 " (27U421A-B)

Name: LG 27U421A 27 " 27U421A-B
Brand: LG

Photos ₁₀

How to buy

from £97.49 up to £164.71

Compare prices ₁₃ →

When you make a purchase through links on our site, we may receive a affiliate commission.

LG 27U421A 27 "

23.8 "27 "

2025 curved HDR Power Delivery

Screen size:27 "

Resolution:1920x1080 (16:9)

Panel:*VA, response 5 ms

Frequency:100 Hz

Contrast:3 000:1

Brightness:250 cd/m²

Functions:HDR, Flicker-Free

Connectors:USB-C (DP Alt Mode) • HDMI v2.0

All specifications

Specifications 27U421A

Colour

Product type	monitor
Size	27 "


Screen
Curved screen	1500R
Panel type	*VA
Surface treatment	anti-glare
Resolution	1920x1080 (16:9)
FPS	100 Hz
Pixel size	0.31 mm
Response time (GtG)	5 ms
Vertical viewing angle	178 °
Horizontal viewing angle	178 °
Brightness	250 cd/m²
Static contrast	3 000:1
Colour depth	16.7M Colors
Colour space (sRGB)	99 %
HDR	+

Connection
Video transmission	HDMI v2.0 USB-C (DP Alt Mode)
Power Delivery
Power PD	15 W
Connectors (optional)	mini-Jack output (3.5 mm)


Features
Features	Flicker-Free
Game Features	brighten darker areas / Black Stabilizer /


General
Wall mount	VESA 100x100mm
Power consumption	17 W
External power supply
Dimensions (WxHxD)	610x452x170 mm
Dimensions without stand (WxHxD)	610x360x44 mm
Weight	3.7 kg
Weight without stand	3 kg
Official Website	lg.com
Added to E-Catalog	May 2025
P/N	27U421A-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.
Catalog LG 2026 - new arrivals, bestsellers, and the most relevant models LG.

How to Choose a Gaming MonitorWe understand matrix types, suitable resolution, FreeSync and other important aspects when choosing a gaming monitor

Buy LG 27U421A 27 "

All prices 13 →

When you make a purchase through links on our site, we may receive a affiliate commission.


	Lg 27U421A-B.AEUQ EU Plug.Vivid colors with precision.Our FHD (1920x1080) screen delivers clear visuals with an sRGB 99% (Typ.) color gamut and... morea 1500R curvature, enhancing work productivity.Fluid visuals.Seamless workflow.A fast 100Hz provides a smooth frame loading in various programs.Also, you can enjoy realistic gameplay with less screen stuttering and motion blur.One port to meet your needs.Connect your laptop to the monitor with a USB-C cable.- for up to 15W of power delivery and display connectivity.Dynamic Action Sync.Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real time and respond quickly.Black Stabilizer.Black Stabilizer helps gamers detect snipers lurking in the darkest corners and swiftly navigate flash explosions.Switch swiftly.LG Switch app helps to optimize the monitor to your work and life.You can readily divide the whole display up to 6, change the theme design, or even launch a video call platform with a mapped hotkey.Fully use your desk.The slim stand takes up little space, allowing you to utilize your workspace efficiently.Easy and comfy solution.Featuring a slim bezel on three sides and a sleek stand, our FHD curved monitor lets you create an ideal workspace with convenient tilt adjustment.LG 27U421A-B.Display diagonal:68.6 cm (27´´), Display resolution:1920 x 1080 pixels, HD type:Full HD, Display technology:LED, Response time:5 ms, Native aspect ratio:16:9, Viewing angle, horizontal:178°, Viewing angle, vertical:178°.VESA mounting.Product colour:Black. Tradeinn.com Delivery: in United Kingdom Report	£97.49 Buy in shop

	LG 27" 27U421A-B FHD 100Hz Curved Business Monitor Scan.co.uk Delivery: to United Kingdom Report	£99.98 Buy in shop

	LG 27U421A-B computer monitor 68.6 cm (27") 1920 x 1080 pixels Full HD LED Black Clove.co.uk Delivery: to United Kingdom Report	£99.74 Buy in shop

	LG 27U421A-B 27" Full HD VA 100Hz 5ms HDR10 USB-C Curved Monitor 27U421A-B.AEKQ LG 27U421A-B 27" Curved Full HD 100Hz USB-C Monitor - Ideal for Everyday Use! Seamless Focus, Fluid Motion The LG 27U421A... more-B 27" Curved Monitor delivers immersive Full HD clarity, smooth 100Hz visuals, and convenient USB-C connectivity-perfectly balanced for modern productivity and everyday comfort. 27" Full HD VA Curved Display 100Hz Refresh Rate with Smooth Visuals USB-C Port for Display/Data/Charging Tilt-Adjustable Stand with Slim Bezel Design Smooth Everyday Performance Enjoy a more focused and immersive viewing experience with the LG 27U421A-B 27" Curved Monitor. Designed with a 1500R curvature to reduce eye movement and distortion, it enhances productivity with fluid 100Hz motion and rich Full HD resolution. Whether you're multitasking, streaming, or gaming lightly, this curved monitor keeps visuals crisp and motion responsive. USB-C adds easy one-cable connectivity, helping simplify modern setups by combining display, data, and charging in a single solution. Great for Home Office Users The LG 27" Curved Monitor 27U421A-B offers ideal workspace comfort, clarity, and USB-C convenience for hybrid professionals. Students & Learners Perfect for focused study sessions with sharp visuals, eye comfort features, and space-saving design. Casual Gamers Enjoy smoother gameplay with the LG 27U421A-B's 100Hz refresh rate and immersive curved viewing. Streamers & Creators This LG 27-inch curved monitor is also ideal for streamers and creators involved in light photo editing and streaming, thanks to its vivid colour depth. Display Quality Comfortable Curved Visuals The LG 27U421A-B 27" Curved Monitor features a 1920 x 1080 VA panel with deep contrast and a 1500R curvature, providing a more natural field of view. This design enhances visual depth, reduces edge distortion, and improves focus-great for long hours of work and entertainment. Performance Effortless Motion Clarity Experience smoother transitions and more fluid on-screen performance with the LG 27U421A-B, featuring a 100Hz refresh rate. From multitasking and video streaming to everyday browsing, this enhanced motion clarity ensures a more responsive and comfortable viewing experience throughout your daily computing tasks. Connectivity & Compatibility All-in-One USB-C Setup Simplify your desk setup with the LG 27U421A-B's versatile USB-C port. It supports video output, high-speed data transfer, and device charging over a single cable, reducing clutter and enabling a clean, efficient workspace that keeps your productivity flowing without interruptions. Design & Ergonomics Slim, Ergonomic Design This LG 27-inch monitor is built with ultra-slim bezels, ergonomic tilt adjustment, and a sleek curved profile. Its minimalist design complements modern workspaces, while providing comfort and flexibility, making it easy to adapt your setup for optimal focus, Box.co.uk Delivery: to United Kingdom Report	£99.99 Buy in shop

	LG 27U421A 27 VA Full HD 100Hz USB-C Curved Monitor Black 27U421A-B.AEKQ Immersive 27 Full HD Curved DisplayStep into a more engaging viewing experience with the LG 27U421A-B's 27-inch curved displa... morey. Designed to mirror the natural curvature of your eyes the 1500R curvature wraps around your field of vision reducing distortion and enhancing immersion. Whether you're watching videos gaming or working on spreadsheets the curve draws you in for a more comfortable and cinematic experience. Crisp Full HD VisualsWith a resolution of 1920 x 1080 the monitor delivers vibrant Full HD clarity for all your content. From high-definition videos to detailed photo editing the LG 27U421A-B ensures every pixel pops with sharpness and accurate color reproduction. Its VA (Vertical Alignment) panel provides deeper blacks and higher contrast ratios than traditional IPS screens making it ideal for both productivity and entertainment. Smooth 100Hz Refresh RateExperience ultra-smooth motion with the monitor’s 100Hz refresh rate—perfect for casual gaming streaming or even scrolling through documents. The increased refresh rate compared to standard 60Hz monitors offers reduced motion blur and a more responsive feel giving you a competitive edge during fast-paced moments and a more fluid viewing experience overall. Versatile USB-C ConnectivitySimplify your workspace with the integrated USB-C port offering data transfer display output and device charging—all through a single cable. Ideal for modern laptops and smart devices USB-C connectivity reduces desk clutter and streamlines productivity. With power delivery support the LG 27U421A-B can even charge compatible devices while in use. Enhanced Comfort with Eye Care FeaturesDesigned for extended viewing sessions this monitor includes flicker-free technology and a built-in blue light filter to help reduce eye strain and fatigue. Whether you're burning the midnight oil on a project or enjoying a long gaming session these features help protect your vision and maintain comfort throughout the day. Sleek Design for Modern SetupsThe monitor's minimalist design and ultra-slim bezels make it a stylish addition to any workspace or home setup. Its curved profile and matte black finish lend a premium professional look that complements your tech environment while maximizing screen space with minimal distraction. Tilt-Adjustable StandFind your ideal viewing angle with the tilt-adjustable stand which allows you to customize the monitor's position for better ergonomics. Whether you’re seated at a desk or standing with a sit-stand workstation the LG 27U421A-B adapts to your comfort and workflow preferences.. Laptopsdirect.co.uk Delivery: to United Kingdom Report	£99.97 Buy in shop