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3 monitors side by side.

6 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Suevery SV340QA €21.52
  • MSI MAG 346CQ €19.23
  • Acer EI342CKR €19.78
Model Suevery SV340QA MSI MAG 346CQ Acer EI342CKR
Running cost
Running cost (per year) €21.52 €19.23 €19.78
over 10 years €215 +€23 over 10 years €192 €198 +€6 over 10 years
kWh per year 76 67.9 69.9
kg CO₂e per year from electricity use 16 14 15
Specifications
Brand Suevery MSI Acer
Model SV340QA MAG 346CQ EI342CKR
Energy class G F G
Screen size 34″ (87.5 cm) 34″ (87 cm) 34″ (86.4 cm)
Power in on mode (SDR) 34.7 W 31 W 31.9 W
Standby 0.4 W 0.5 W 0.4 W
Networked standby 0 W – –
Off mode 0.4 W 0.3 W 0.3 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 16:9 21:9
Panel LED LED LCD LCD
Refresh rate 144 Hz 180 Hz 144 Hz
Power supply External Internal Internal
On the market since July 29, 2023 January 31, 2025 March 31, 2021
EPREL registration number 2091827 2223008 372019
Energy class (HDR) – G G
Power in on mode (HDR) – 51 W 51.2 W
Guaranteed support – 3 years 7 years
Software updates – 8 years 8 years
Spare parts available – 3 years 7 years

Rows where the models differ are highlighted.