LG 24U421A-B 24” Full HD Curved Monitor – 100Hz, HDR10, USB-C & 3-Side Borderless Design
Upgrade your workspace and entertainment setup with the LG 24U421A-B, a 23.8-inch Full HD curved monitor designed for productivity, multimedia, and casual gaming. Featuring a smooth 100Hz refresh rate, 5ms GtG response time, HDR10, USB Type-C connectivity with up to 15W Power Delivery, HDMI, and a sleek 3-side borderless design, it combines versatile connectivity with comfortable everyday viewing.
23.8-Inch Full HD Curved Display
Enjoy clear, detailed visuals with 1920 × 1080 Full HD resolution on a spacious 23.8-inch curved display. The curved screen helps keep more of the display within your natural field of view, creating an engaging experience for productivity, browsing, streaming, and entertainment.
Smooth 100Hz Refresh Rate
The 100Hz refresh rate delivers smoother motion than conventional 60Hz displays, making scrolling, video playback, animations, and compatible games feel more fluid and responsive.
Combined with a 5ms GtG response time, the monitor maintains clear motion across everyday work and entertainment.
HDR10 Support
Experience enhanced visual depth with HDR10 support. Compatible HDR content benefits from improved contrast and more expressive colors, creating a richer viewing experience across movies, videos, and games.
USB Type-C with 15W Power Delivery
Simplify your desktop setup with USB Type-C connectivity. Connect compatible laptops and other devices through a single streamlined connection while providing up to 15W Power Delivery to supported devices.
Alongside USB-C, HDMI connectivity provides additional flexibility for desktops, laptops, and other compatible devices.
Reader Mode for Comfortable Viewing
LG's Reader Mode reduces blue light levels to create a more comfortable viewing experience when reading documents, browsing websites, studying, or working for extended periods.
Dynamic Action Sync
Dynamic Action Sync helps minimize input lag, allowing on-screen actions to respond more quickly to your inputs. It provides an advantage when playing games where timing and responsiveness are important.
Black Stabilizer
See more detail in dark gaming environments with Black Stabilizer. The feature improves visibility in shadowy areas, making it easier to identify objects and opponents in darker scenes.
LG Switch App for Smarter Multitasking
Transform your desktop into a more efficient multitasking workspace with the LG Switch app. Organize your display into up to six sections, customize screen layouts, and access useful shortcuts designed to make switching between work, entertainment, and communication easier.
3-Side Virtually Borderless Design
The 3-side virtually borderless design minimizes visual distractions and gives the monitor a clean, modern appearance. The narrow bezels also help create a more seamless look when used as part of a multi-monitor setup.
Ultra-Slim Tilt Stand
Maximize available desktop space with the monitor's ultra-slim stand, designed to reduce clutter while maintaining a clean and organized workspace.
The stand also supports tilt adjustment, allowing you to position the screen at a comfortable viewing angle.
Matte Screen Surface
The matte display surface helps reduce distracting reflections and glare, providing more comfortable visibility in home and office environments with ambient lighting.
Key Specifications
Brand: LG
Model: 24U421A-B
Screen Size: 23.8 Inches / 24-Inch Class
Display Type: Curved Monitor
Resolution: Full HD (1920 × 1080)
Aspect Ratio: 16:9
Refresh Rate: 100Hz
Response Time: 5ms GtG
HDR: HDR10
Screen Surface: Matte
Connectivity: USB Type-C & HDMI
USB-C Power Delivery: Up to 15W
Gaming Features: Dynamic Action Sync & Black Stabilizer
Eye Comfort: Reader Mode
Software: LG Switch App
Screen Layout: Up to 6 Sections via LG Switch
Design: 3-Side Virtually Borderless
Stand: Ultra-Slim, Tilt Adjustable
Color: Black
What's in the Box
LG 24U421A-B Monitor
Stand Body
Stand Base
Screws
Power Adapter
Power Cord
HDMI Cable
Quick Setup Guide
Versatile Performance for Work and Entertainment
Combining a 23.8-inch Full HD curved display, smooth 100Hz refresh rate, HDR10, USB-C with 15W Power Delivery, HDMI connectivity, LG Switch, and gaming-focused features, the LG 24U421A-B provides a versatile solution for productivity, streaming, everyday computing, and casual gaming.