EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 34″ · 3440×1440 · LED LCD

MSI MAG 345CQR

F

Uses less electricity than 53% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €13 a year, €128 over ten years.

Power, SDR
31.0 W
Typical 31 W
Running cost
€13 / year
4 h a day
Power, HDR
65.0 W
2.1× SDR

Near the middle of its group: 1 % below the typical 46 kWh. Class F is the most common class in this group (51% of models). In HDR it draws 65.0 W, 2.1 times its SDR power. MSI has 51 models in this group; this one is number 10 among them.

Where it stands

Rank 531 of 1,482 monitors, 32–42″ by yearly consumption. 530 use less.

Median 46 This model · 45 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. F Cepter C34PRO 45 kWh same
  2. F Acer ED340CU S 45 kWh same
  3. F MSI MAG 345CQR 45 kWh
  4. F Acer XZ342CU S3 45 kWh same
  5. F Acer XZ342CU V3 45 kWh same
See the full ranking

What it will cost you

Period MAG 345CQR LX34 ZA Difference
1 year €13 €2 −€10
5 years €64 €12 −€52
10 years €128 €24 −€105
15 years €192 €35 −€157

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 31.0 W
HDR 65.0 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 23 €6
4 hours a day 45 €13
8 hours a day 91 €26

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
F MSI MAG 345CQR (this model)
34″31.0 45 — —
34″5.7 8 €10 €105
34″5.7 8 €10 €105
34″8.0 12 €10 €95
34″15.9 23 €6 €63
34″20.0 29 €5 €46

Label and product sheet

Energy class SDR / HDR
F / G
On-mode power SDR
31.0 W
On-mode power HDR
65.0 W
Standby / networked standby
0.5 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)
3 years

Model numbers and history

Registered by MSI under one model number.

MAG 345CQR

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

Questions

How much does the MSI MAG 345CQR cost to run?

At 4 hours a day it uses about 45 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €13 a year, or €128 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 65.0 W instead of 31.0 W, 2.1 times as much. The yearly cost on this page uses SDR, as the label does.