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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.

  • Mission SG MF34144UWQHD €24.81
  • MSI MAG 346CQ €19.23
  • Acer EI342CKR €19.78
Model Mission SG MF34144UWQHD MSI MAG 346CQ Acer EI342CKR
Running cost
Running cost (per year) €24.81 €19.23 €19.78
over 10 years €248 +€56 over 10 years €192 €198 +€6 over 10 years
kWh per year 87.6 67.9 69.9
kg CO₂e per year from electricity use 18 14 15
Specifications
Brand Mission SG MSI Acer
Model MF34144UWQHD MAG 346CQ EI342CKR
Energy class G F G
Screen size 34″ (86 cm) 34″ (87 cm) 34″ (86.4 cm)
Power in on mode (SDR) 40 W 31 W 31.9 W
Energy class (HDR) G G G
Power in on mode (HDR) 51 W 51 W 51.2 W
Standby 0.3 W 0.5 W 0.4 W
Networked standby 0 W – –
Off mode 0.3 W 0.3 W 0.3 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 16:9 21:9
Panel LCD LED LCD LCD
Refresh rate 144 Hz 180 Hz 144 Hz
Power supply STANDARD EXTERNAL Internal Internal
Guaranteed support 10 years 3 years 7 years
Software updates 10 years 8 years 8 years
Spare parts available 10 years 3 years 7 years
On the market since November 19, 2021 January 31, 2025 March 31, 2021
EPREL registration number 982233 2223008 372019

Rows where the models differ are highlighted.