LG 27U421A-B 27" Class Full HD Curved Screen LCD Monitor - 16:9 - Black

Vivid Color with Full HD Resolution

The 1920x1080 Full HD resolution on the 27" delivers clear visuals and vibrant color on a curved screen designed to keep more of your work in view. Tackle tasks, browse, or stream with clarity that helps you stay focused and efficient.

100Hz Smoother, Seamless Visuals

With a 100Hz refresh rate and 5ms (GtG) response time, motion stays smooth and clear-whether you're scrolling, streaming, or switching between tasks.

Multiple Devices-One Cable

Easily connect to laptops, desktops, or devices with USB Type-C™ and HDMI. USB-C delivers up to 15W power -all through a single, streamlined cable.

Easy Viewing, Comfortable Reading

Reader Mode lowers blue light levels, creating a more comfortable viewing experience-great for reading documents, browsing the web, or working for extended periods.

Action As It Happens

This monitor comes with Reader Mode which can reduce blue light emission to help provide a reduction in eye fatigue.

Never In The Dark

Brighten up dark scenes and spot enemies faster with Black Stabilizer. It enhances visibility in shadowy areas-giving you the upper hand when the action gets intense.

Customize Your Screen View with the Switch App

The Switch app1 transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey. Navigate smart features with ease and switch seamlessly between your PC and the built-in webOS streaming platform, all with intuitive shortcuts.

Sleek Stand, Maximum Desktop Efficiency

Free up your desk with the ultra-slim stand-built to minimize clutter and maximize usable space. Enjoy a cleaner, more organized setup without sacrificing screen size or comfort.

Virtually Borderless Design

Maximize your workspace with the ultra-slim stand, designed to minimize desk clutter and optimize space. Enjoy a cleaner, more organized work area while still experiencing a full, immersive display.

• LCD monitor runs cooler with low power use, offering extended performance and comfort for long work or entertainment sessions


• USB Type-C offers compact, reversible connectivity for fast transmission and versatile peripheral support


• 27" viewable screen size ensures sharp, vibrant visuals for a consistently engaging and responsive viewing experience


• 5 ms response time enhances responsiveness and visual sharpness, ideal for action-packed games, sports, and dynamic media


• Enjoy vibrant colors and crisp visuals with 250 cd/m² brightness, ideal for both bright environments and detailed content


• 27" screen size with 1920x1080 resolution renders Full HD content at native quality without loss from scaling or compression


• 1920 x 1080 maximum resolution ensures vivid, crystal-clear output with consistent pixel accuracy


• 100 Hz standard refresh rate reduces deterioration caused by blurring to preserve image clarity and support sustained visual performance


• 16:9 widescreen layout enhances multitasking and visual depth, ma