AOC U27B3A
- Monitors
- 27″
- 4K
- LCD / LED
Uses 12% more energy than the average for 27-inch monitors on Wattabill (3150 models).
Running cost at a glance
- €15.86 per year
- €159 over 10 years
- 54.8 kWh per year
- 11 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 AOC U27B3A that use at least 5% less energy.
About this model
Text from the manufacturer, via Icecat.
27-inch UHD monitor featuring extensive viewing experience for pure productivity
Boost your productivity to the fullest with the AOC U27B3A. This 27-inch UHD monitor boasts a smooth 60Hz refresh rate and a sleek three-sided frameless design, ensuring a comfortable viewing experience. Say goodbye to eye strain with its low blue light feature providing ample protection for your eyes. Plus, enjoy tear-free visuals thanks to Adaptive Sync technology, and feel yourself in stunningly clear graphics with HDR10 support. With the built-in 2-watt speaker you can have enhanced audio experience.
Specifications
| Brand | AOC |
|---|---|
| Model | U27B3A |
| Energy class | F |
| Screen size | 27″ (68.5 cm) |
| Power in on mode (SDR) | 25 W |
| Energy class (HDR) | G |
| Power in on mode (HDR) | 40 W |
| Standby | 0.5 W |
| Off mode | 0.3 W |
| Resolution | 3840 × 2160 |
| Aspect ratio | 16:9 |
| Panel | LED LCD |
| Refresh rate | 60 Hz |
| Power supply | Internal |
| Guaranteed support | 8 years |
| Software updates | 8 years |
| Spare parts available | 7 years |
| On the market since | April 20, 2024 |
| EPREL registration number | 1956214 |
Source: EPREL, European Commission. Data updated October 13, 2026.
Product description and images: Icecat (Open Icecat), provided as is, without warranty.