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AOC CU34G4Z

  • Monitors
  • 34″
  • QHD
  • LCD / LED

Running cost

€19.66 per year

€197 over 10 years

EU average, 6 h a day

Uses about as much energy as the average for 34-inch monitors on Wattabill (558 models).

Running cost at a glance

  • €19.66 per year
  • €197 over 10 years
  • 67.9 kWh per year
  • 14 kg CO₂e per year from electricity use
This model
Average for 34-inch monitors (558)

Your country and usage

6 h a day
  • Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

We assume prices stay the same over the years.

Same size and resolution, cheaper to run

Models on the market with the same screen size and resolution as the AOC CU34G4Z that use at least 5% less energy.

Compare them side by side

About this model

Text from the manufacturer, via Icecat.

Dominate with the CU34G4Z 34" WQHD Curved Monitor, featuring a 3440x1440 resolution, HDR400, and a 240Hz refresh rate.

Take your gaming to the next level with the CU34G4Z 34" WQHD curved monitor. Enjoy ultra-smooth gameplay with a 240Hz refresh rate and 1ms GtG response time. The 1500R curved Fast VA panel provides immersive visuals, while HDR400 enhances color and contrast. Equipped with an ergonomic stand, USB hub, and G-Menu software for customizable settings, this monitor is designed for gamers who demand precision and comfort.

Specifications

BrandAOC
ModelCU34G4Z
Energy classF
Screen size34″ (86.4 cm)
Power in on mode (SDR)31 W
Energy class (HDR)G
Power in on mode (HDR)68 W
Standby0.5 W
Off mode0.3 W
Resolution3440 × 1440
Aspect ratio21:9
PanelLED LCD
Refresh rate60 Hz
Power supplyInternal
Guaranteed support8 years
Software updates8 years
Spare parts available7 years
On the market sinceNovember 16, 2024
EPREL registration number2171597

Source: EPREL, European Commission. Data updated October 13, 2026.

Product description and images: Icecat (Open Icecat), provided as is, without warranty.