Internal Reference:
VG279Q3A
Product Description
LG 27U421A – 27" Curved Full HD VA Monitor
Model: 27U421A
Color: Black
Overview
Experience immersive viewing and vibrant detail with the LG 27U421A Curved Monitor.
This 27-inch Full HD (1920 × 1080) display combines a 1500R curvature, 100Hz refresh rate, and VA panel technology to deliver deep contrast, fluid motion, and lifelike color reproduction.
Designed for both productivity and entertainment, it offers HDR10, Dynamic Action Sync, and Black Stabilizer features to enhance brightness, color, and gaming performance.
With Flicker Safe, Reader Mode, and Smart Energy Saving, the 27U421A ensures all-day comfort and efficiency in every environment.
Key Features
27-inch Curved VA Panel for immersive and natural viewing (1500R curvature).
Full HD Resolution (1920×1080) with crisp visuals and true-to-life color.
100Hz Refresh Rate and 5ms (GtG) response for smooth, blur-free performance.
HDR10 & HDR Effect for enhanced contrast and dynamic visuals.
Flicker Safe + Reader Mode reduce eye strain for comfortable long sessions.
Dynamic Action Sync & Black Stabilizer for responsive and clear gaming visuals.
USB-C Connectivity (15W Power Delivery) and HDMI 2.0 for seamless device integration.
Slim Design with VESA Mount Support (100×100 mm) for versatile setups.
🔧 Specifications
| Category | Details |
| Display Size | 27" (68.5 cm) |
| Resolution | 1920 × 1080 (Full HD) |
| Panel Type | VA |
| Aspect Ratio | 16:9 |
| Pixel Pitch | 0.3114 × 0.3114 mm |
| Brightness (Min / Typ) | 220 / 250 cd/m² |
| Contrast Ratio (Min / Typ) | 2400:1 / 3000:1 |
| Color Depth | 16.7 Million Colors |
| Color Gamut (Min / Typ) | sRGB 95% / sRGB 99% (CIE1931) |
| Response Time | 5ms (GtG at Faster) |
| Refresh Rate | 100Hz |
| Curvature | 1500R |
| Viewing Angle (H/V) | 178° / 178° |
Visual & Comfort Features
HDR10 + HDR Effect for vivid contrast and true-to-life highlights.
Flicker Safe & Reader Mode minimize eye fatigue during long viewing hours.
Color Weakness Mode helps users with color perception difficulties.
Super Resolution+ enhances the clarity of low-resolution content.
Black Stabilizer brightens dark scenes for better visibility in games.
Dynamic Action Sync reduces input lag for real-time responsiveness.
Smart Energy Saving for eco-friendly performance.
Connectivity
| Port Type | Specification |
| HDMI | 1 × HDMI 2.0 (HDCP 2.2) |
| USB-C | 1 × USB-C (HDCP 2.2, 15W Power Delivery) |
| Headphone Out | 3.5mm (Sound Only) |
Power
| Mode | Details |
| Type | External Adapter |
| AC Input | 100–240V (50/60Hz) |
| Power Consumption (On) | 15W (KR: 17W) |
| Sleep Mode | < 0.5W |
| DC Off | < 0.3W |
Design & Dimensions
| Feature | Details |
| Display Adjustment | Tilt |
| Wall Mount Compatibility | VESA 100 × 100 mm |
| Dimensions (With Stand) | 609.58 × 451.48 × 170 mm |
| Dimensions (Without Stand) | 609.58 × 360.32 × 43.67 mm |
| Weight (With / Without Stand) | 3.72 kg / 3.02 kg |
| Shipping Dimensions | 690 × 448 × 143 mm |
| Shipping Weight | 4.94 kg |
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