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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.

  • Cepter C34PULSEX2 €17.99
  • ASUS VU34WCIP-W €15.07
  • MSI PRO MP341CQPHG E12 €15.51
Model Cepter C34PULSEX2 ASUS VU34WCIP-W MSI PRO MP341CQPHG E12
Running cost
Running cost (per year) €17.99 €15.07 €15.51
over 10 years €180 +€29 over 10 years €151 €155 +€4 over 10 years
kWh per year 63.5 53.2 54.8
kg CO₂e per year from electricity use 13 11 11
Specifications
Brand Cepter ASUS MSI
Model C34PULSEX2 VU34WCIP-W PRO MP341CQPHG E12
Energy class F E E
Screen size 34″ (87 cm) 34″ (86.4 cm) 34″ (86.4 cm)
Power in on mode (SDR) 29 W 24.3 W 25 W
Energy class (HDR) F G G
Power in on mode (HDR) 29 W 34.7 W 40 W
Standby 0.4 W 0.5 W 0.5 W
Networked standby 0 W – –
Off mode 0.2 W 0.3 W 0.3 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 21:9 21:9
Panel LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply External External Internal
Guaranteed support 7 years 7 years 3 years
Software updates 7 years 8 years 8 years
Spare parts available 7 years 7 years 3 years
On the market since February 1, 2026 January 6, 2025 April 20, 2026
EPREL registration number 2579178 2205883 2664456

Rows where the models differ are highlighted.