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

Monitors · 34″ · 3440×1440 · LCD

Blackstorm UHD34C

G

Uses less electricity than 14% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €14 a year, €145 over ten years.

Power, SDR
35.0 W
Typical 31 W
Running cost
€14 / year
4 h a day

Uses more than most comparable models: 86 % of them need less. LXZ LX34 ZA, the most efficient alternative on sale, saves about €12 a year. 73% of comparable models reach a better class than G; the most common is F. On-mode power in SDR is 35.0 W; the typical screen of this size draws 31.5 W. Blackstorm has 7 models in this group; this one is number 6 among them. On the register since 2021 and still on sale.

Where it stands

Rank 1,259 of 1,482 monitors, 32–42″ by yearly consumption. 1,258 use less.

Median 46 This model · 51 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. F 2E L3224B 51 kWh same
  2. F 2E D3224B 51 kWh same
  3. G Blackstorm UHD34C 51 kWh
  4. G Acer RX321QU 51 kWh same
  5. G ViewSonic VS18391 51 kWh same
See the full ranking

What it will cost you

Period UHD34C LX34 ZA Difference
1 year €14 €2 −€12
5 years €72 €12 −€61
10 years €145 €24 −€121
15 years €217 €35 −€182

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

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 26 €7
4 hours a day 51 €14
8 hours a day 102 €29

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
G Blackstorm UHD34C (this model)
34″35.0 51 — —
34″5.7 8 €12 €121
34″5.7 8 €12 €121
34″8.0 12 €11 €112
34″15.9 23 €8 €79
34″20.0 29 €6 €62

Label and product sheet

Energy class SDR / HDR
G / –
On-mode power SDR
35.0 W
Standby / networked standby
0.2 W
Screen diagonal
34″
Resolution
3440×1440
Panel
LCD
Refresh rate
144 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
1 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Blackstorm under one model number.

UHD34C

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

Questions

How much does the Blackstorm UHD34C cost to run?

At 4 hours a day it uses about 51 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €14 a year, or €145 over ten years.