SKU:
27U421A-B
LG 27″ U4 FHD Curved Monitor – 100Hz VA Panel, USB-C 15W PD, sRGB 99%, 1500R Curvature, HDR10, Flicker Safe, Reader Mode, Dynamic Action Sync, Slim Stand, HDMI & Tilt Adjustment
$ 135.00 ---ONLY---
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Description
Expert Features
- Immersive 27-Inch Curved Display: Experience cinematic visuals on a 27-inch Full HD (1920×1080) VA panel with a 1500R curvature, delivering a more natural and immersive field of view for work and entertainment.
- Vivid & Accurate Colors: With sRGB 99% (Typ.) color gamut and HDR10 support, the monitor reproduces lifelike tones and vibrant contrast, ideal for designers, editors, and content creators who demand precision.
- Smooth 100Hz Refresh Rate: Enjoy fluid visuals and a stutter-free workflow with a 100Hz refresh rate—perfect for multitasking, streaming, and gaming without motion blur or screen tearing.
- USB-C One-Cable Solution: The built-in USB Type-C port supports video transmission and up to 15W power delivery, allowing you to connect and charge your laptop or device with a single cable.
- Comfort-Focused Visual Modes:
Reader Mode: Reduces blue light and optimizes color temperature for comfortable long reading sessions.
Flicker Safe: Minimizes on-screen flickering to prevent eye strain during extended use.
Optimized for Gamers:
Dynamic Action Sync: Reduces input lag, giving you faster reaction times in competitive games.
Black Stabilizer: Enhances visibility in dark scenes, so you never miss hidden details.
- Smart Screen Control with LG Switch App: Organize your screen effortlessly with split-screen layouts (up to 6 sections), custom themes, and mapped hotkeys for meetings or multitasking efficiency.
- Ergonomic & Space-Saving Design: A three-sided slim bezel and ultra-thin stand (2.5mm) maximize desk space while maintaining a sleek, modern look. The tilt-adjustable stand allows easy customization for viewing comfort.
- Versatile Connectivity: Equipped with HDMI (2.0), USB-C, and Headphone Out, this monitor easily integrates with PCs, laptops, gaming consoles, and docking stations.
- Energy Efficient & Eco-Friendly: Features Smart Energy Saving technology with ultra-low power consumption (15W typical) and less than 0.5W in sleep mode.
Expert Specs
| Specification | Details |
|---|---|
| Brand | LG |
| Model | U4 (27U4) |
| Display Size | 27 inches / 68.5 cm |
| Resolution | 1920 × 1080 (FHD) |
| Panel Type | VA (Vertical Alignment) |
| Aspect Ratio | 16:9 |
| Curvature | 1500R |
| Refresh Rate | 100Hz |
| Response Time | 5ms (GtG at Faster) |
| Brightness (Typ.) | 250 cd/m² |
| Contrast Ratio (Typ.) | 3000:1 |
| Color Gamut | sRGB 99% (CIE1931) |
| Color Depth | 16.7M Colors |
| Viewing Angle | 178° (Horizontal/Vertical) |
| HDR Support | HDR10 / HDR Effect |
| Features | Flicker Safe, Reader Mode, Color Weakness, Dynamic Action Sync, Black Stabilizer, Super Resolution+, Auto Input Switch, Smart Energy Saving |
| App Support | LG Switch (Screen Split, Theme Control, Hotkey Setup) |
| Connectivity | 1× HDMI (2.0, HDCP 2.2), 1× USB-C (HDCP 2.2, 15W PD), 1× 3.5mm Headphone Out |
| Power Type | External Power Adapter |
| AC Input | 100–240V (50/60Hz) |
| Power Consumption (On-Mode) | 15W (Typical) |
| Sleep/Off Mode | <0.5W / <0.3W |
| Stand Adjustments | Tilt |
| Wall Mount | 100 × 100 mm (VESA) |
| Dimensions (W × H × D) with Stand | 609.58 × 451.48 × 170 mm |
| Weight with Stand | 3.72 kg |
| Color | Black |
| Included Accessories | Stand Body, Base, Screws, Power Adapter, Power Cord, HDMI Cable, Quick Setup Guide |











Keyboard
GAMING/PRO KEYBOARD
OFFICE KEYBOARD
Mouse
OFFICE MOUSE
GAMING/PRO MOUSE
Wrist Rest
Intel® Processors
AMD Ryzen™ Processors
GeForce Nvidia
AMD Radeon™
Modding & Customization
KVM & HDMI Extenders / Splitters
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