EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 34″ · 3440×1440 · LED LCD

AOC CU34E4CV

E

Uses less electricity than 91% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €10 a year, €103 over ten years.

Power, SDR
25.0 W
Typical 31 W
Running cost
€10 / year
4 h a day
Power, HDR
46.0 W
1.8× SDR

In the most efficient quarter of its group: 20 % below the typical 46 kWh. Only 4% of comparable models have a better class than E. In HDR it draws 46.0 W, 1.8 times its SDR power. AOC has 27 models in this group; this one is number 3 among them.

Where it stands

Rank 101 of 1,482 monitors, 32–42″ by yearly consumption. 100 use less.

Median 46 This model · 37 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. E MSI PRO MP341CQW E12 37 kWh same
  2. E Ozone OZON G3425 WQHD 37 kWh same
  3. E AOC CU34E4CV 37 kWh
  4. F IT MediaConsult ITMediaScreen32L 37 kWh same
  5. E Yashi YZ3223 37 kWh same
See the full ranking

What it will cost you

Period CU34E4CV LX34 ZA Difference
1 year €10 €2 −€8
5 years €52 €12 −€40
10 years €103 €24 −€80
15 years €155 €35 −€120

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 25.0 W
HDR 46.0 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 18 €5
4 hours a day 37 €10
8 hours a day 73 €21

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
E AOC CU34E4CV (this model)
34″25.0 37 — —
34″5.7 8 €8 €80
34″5.7 8 €8 €80
34″8.0 12 €7 €70
34″15.9 23 €4 €38
34″20.0 29 €2 €21

Label and product sheet

Energy class SDR / HDR
E / G
On-mode power SDR
25.0 W
On-mode power HDR
46.0 W
Standby / networked standby
0.5 W / 2.0 W
Screen diagonal
34″
Resolution
3440×1440
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
3 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by AOC under one model number.

CU34E4CV

  1. First published in the EU register (EPREL)
  2. Placed on the EU market

Questions

How much does the AOC CU34E4CV cost to run?

At 4 hours a day it uses about 37 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €10 a year, or €103 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 46.0 W instead of 25.0 W, 1.8 times as much. The yearly cost on this page uses SDR, as the label does.