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

Monitors · 27″ · 2560×1440 · LED LCD

Aopen 27HC5U S3

F

Uses less electricity than 7% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €11 a year, €108 over ten years.

Power, SDR
26.0 W
Typical 21 W
Running cost
€11 / year
4 h a day
Power, HDR
32.0 W
1.2× SDR

Uses more than most comparable models: 93 % of them need less. Teamgee TG-S10 PRO, the most efficient alternative on sale, saves about €9 a year. 65% of comparable models reach a better class than F; the most common is E. In HDR it draws 32.0 W, 1.2 times its SDR power. Aopen has 33 models in this group; this one is number 28 among them.

Where it stands

Rank 4,054 of 4,819 monitors, 24–31″ by yearly consumption. 4,053 use less.

Median 30 This model · 38 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. F KTC H27E6 38 kWh same
  2. F Aopen 27HC5UR S3 38 kWh same
  3. F Aopen 27HC5U S3 38 kWh
  4. F HP OMEN 27qz (HSD-0156-A) 38 kWh same
  5. F Skillkorp 8011305_M27 curved 38 kWh same
See the full ranking

What it will cost you

Period 27HC5U S3 TG-S10 PRO Difference
1 year €11 €2 −€9
5 years €54 €11 −€43
10 years €108 €22 −€86
15 years €161 €32 −€129

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 26.0 W
HDR 32.0 W
Group median, SDR 20.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 19 €5
4 hours a day 38 €11
8 hours a day 76 €22

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 Aopen 27HC5U S3 (this model)
27″26.0 38 — —
28″5.2 8 €9 €86
27″7.0 10 €8 €79
27″7.0 10 €8 €79
27″7.0 10 €8 €79
27″8.0 12 €7 €74

Label and product sheet

Energy class SDR / HDR
F / G
On-mode power SDR
26.0 W
On-mode power HDR
32.0 W
Standby / networked standby
0.5 W
Screen diagonal
27″
Resolution
2560×1440
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Aopen under one model number.

27HC5U S3

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

Questions

How much does the Aopen 27HC5U S3 cost to run?

At 4 hours a day it uses about 38 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €11 a year, or €108 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 32.0 W instead of 26.0 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.