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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.

  • Arozzi AZ-NO-34T2K165 €18.36
  • Hgfrtee B340QQU16 €4.96
  • Acer X34 X0 €14.64
Model Arozzi AZ-NO-34T2K165 Hgfrtee B340QQU16 Acer X34 X0
Running cost
Running cost (per year) €18.36 €4.96 €14.64
over 10 years €184 +€134 over 10 years €50 €146 +€97 over 10 years
kWh per year 64.8 17.5 51.7
kg CO₂e per year from electricity use 14 3.7 11
Specifications
Brand Arozzi Hgfrtee Acer
Model AZ-NO-34T2K165 B340QQU16 X34 X0
Energy class F C E
Screen size 34″ (87 cm) 34″ (85 cm) 34″ (86.4 cm)
Power in on mode (SDR) 29.6 W 8 W 23.6 W
Energy class (HDR) F – G
Power in on mode (HDR) 29.8 W – 34 W
Standby 0.5 W 0.1 W 0.5 W
Networked standby 2 W – –
Off mode 0.3 W 0 W 0.3 W
Resolution 3440 × 1440 3440 × 1440 3440 × 1440
Aspect ratio 21:9 16:9 21:9
Panel LCD LCD LED LCD
Refresh rate 165 Hz 165 Hz 200 Hz
Power supply External External Internal
Guaranteed support 3 years 1 year 7 years
Software updates 3 years 1 year 8 years
Spare parts available 3 years 1 year 7 years
On the market since April 10, 2025 March 18, 2026 March 18, 2025
EPREL registration number 2326577 2665077 2343889

Rows where the models differ are highlighted.