LG 22U401A-B 21.5" Full HD Monitor 100Hz HDR10

Product Overview

The LG 22U401A-B is a 21.5-inch Full HD monitor built for everyday computing, office work, online learning and entertainment. It combines a VA panel with a 100Hz refresh rate, HDR10 support and a high contrast ratio to deliver smooth motion and clear image quality for both work and casual gaming.

It includes HDMI and VGA connectivity, making it easy to connect to desktops, laptops and older systems. Features such as Reader Mode, Flicker-Free technology and Intelligent Energy Saving help make it comfortable to use throughout the day.

This monitor is commonly chosen by home users, students, office professionals and anyone looking for a reliable Full HD display with a higher refresh rate than a standard 60Hz monitor.

Product Specifications

Display & Panel

Panel size: 21.5 inches (54.6 cm diagonal)

Panel type: VA (Vertical Alignment)

Resolution: 1920 × 1080 (Full HD, 16:9 aspect ratio)

Brightness: 250 cd/m² typical, 200 cd/m² minimum

Contrast ratio: 3000:1 typical, 2400:1 minimum

Response time: 5 ms (GtG at Faster mode)

Viewing angles: 178° horizontal / 178° vertical

Color gamut: sRGB 99% (CIE1931 standard)

HDR support: HDR10

Performance Features

Refresh rate: 100 Hz

Motion Blur Reduction: 1 ms MBR (reduces blur/ghosting in fast-paced scenes)

Gaming enhancements: Dynamic Action Sync, Black Stabilizer, Crosshair overlay

Flicker-free technology: Yes

Reader Mode: Adjusts color temperature for comfortable reading

Connectivity

HDMI: 1 port

D-Sub (VGA): 1 port

Headphone out: 3-pole (sound only)

No support for: DisplayPort, DVI-D, USB-C, Thunderbolt, built-in speakers

Power & Efficiency

Power supply: External adapter

Input voltage: 100–240 V, 50/60 Hz

Typical consumption: 13 W

Standby mode: <0.5 W

DC off mode: <0.3 W

Energy efficiency: EU Energy Label 2019 compliant

Dimensions & Weight

With stand: 492.5 × 378.4 × 200.8 mm, 2.3 kg

Without stand: 492.5 × 284.6 × 50.7 mm, 1.9 kg

Wall mount: 100 × 100 mm (VESA)

Box dimensions/weight: 556 × 350 × 138 mm, 3.3 kg

Special Functions

Super Resolution+: Yes

Intelligent Energy Saving: Yes

Color Weakness mode: Yes

VRR (Variable Refresh Rate): Supported

Auto Input Switch: Yes