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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.

  • 2E G3424B €28.53
  • MSI MAG 346CQ €19.23
  • Acer X34 X0 €14.64
Model 2E G3424B MSI MAG 346CQ Acer X34 X0
Running cost
Running cost (per year) €28.53 €19.23 €14.64
over 10 years €285 +€139 over 10 years €192 +€46 over 10 years €146
kWh per year 101 67.9 51.7
kg CO₂e per year from electricity use 21 14 11
Specifications
Brand 2E MSI Acer
Model G3424B MAG 346CQ X34 X0
Energy class G F E
Screen size 34″ (86.4 cm) 34″ (87 cm) 34″ (86.4 cm)
Power in on mode (SDR) 46 W 31 W 23.6 W
Energy class (HDR) G G G
Power in on mode (HDR) 72 W 51 W 34 W
Standby 0.5 W 0.5 W 0.5 W
Off mode 0.5 W 0.3 W 0.3 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 16:9 21:9
Panel LED LCD LED LCD LED LCD
Refresh rate 180 Hz 180 Hz 200 Hz
Power supply Internal Internal Internal
On the market since October 16, 2024 January 31, 2025 March 18, 2025
EPREL registration number 2172093 2223008 2343889
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.