LG 27MR400
- Monitors
- 27″
- Full HD
- LCD / LED
Uses 11% less energy than the average for 27-inch monitors on Wattabill (3150 models).
Running cost at a glance
- €12.62 per year
- €126 over 10 years
- 43.6 kWh per year
- 9.2 kg CO₂e per year from electricity use
Your country and usage
- Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
- 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
We assume prices stay the same over the years.
Electricity prices in all EU countries
Same size and resolution, cheaper to run
Models on the market with the same screen size and resolution as the LG 27MR400 that use at least 5% less energy.
About this model
Text from the manufacturer, via Icecat.
True color at wide angles
LG Monitor with IPS technology highlights the performance of liquid crystal displays. It can provide accurate color reproduction, and help users to view the screen at wide angle.
Fluid visuals.
Seamless workflow.
A fast 100Hz provides a smooth frame loading in various programs. Also, you can enjoy realistic gameplay with less screen stuttering and motion blur.
Reader Mode
Reader Mode adjusts color temperature and luminance, supporting a suitable viewing experience for reading on a monitor.
Read more
Flicker Safe
Flicker Safe reduces invisible flickering on the screen, and it helps to provide a comfortable working environment for a long time.
Fluid and rapid motion
With AMD FreeSync™ technology, gamers can enjoy smooth, clear movement in high resolution and fast-paced games. It virtually eliminates screen tearing and stuttering, providing an immersive gaming experience.
Step ahead in the dark
Black Stabilizer helps gamers to detect snipers lurking in the dark corners and swiftly navigate flash explosions.
Streamlined control
Easily control display settings with a few clicks using OnScreen Control software. You can also readily divide the whole display area with Screen Split.
Easy and comfy solution
This display has a slim bezel on three sides, allowing you to create a suitable work environment through convenient tilt adjustment.
Specifications
| Brand | LG |
|---|---|
| Model | 27MR400 |
| Energy class | E |
| Screen size | 27″ (68.6 cm) |
| Power in on mode (SDR) | 19.9 W |
| Standby | 0.5 W |
| Networked standby | 0 W |
| Off mode | 0.3 W |
| Resolution | 1920 × 1080 |
| Aspect ratio | 16:9 |
| Panel | LED LCD |
| Refresh rate | 60 Hz |
| Power supply | External |
| Guaranteed support | 8 years |
| Software updates | 8 years |
| Spare parts available | 8 years |
| On the market since | July 31, 2023 |
| EPREL registration number | 1678366 |
Source: EPREL, European Commission. Data updated October 13, 2026.
Product description and images: Icecat (Open Icecat), provided as is, without warranty.