Cooler Master GM27-CQS
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
- 31.0 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 31.0 W, 1.2 times its SDR power. Cooler Master has 23 models in this group; this one is number 13 among them. On the register since 2022 and still on sale.
Where it stands
Rank 4,054 of 4,819 monitors, 24–31″ by yearly consumption. 4,053 use less.
Next to it in the ranking
- Misura P23PW27DQI01B 38 kWh same
- Asus PG27UQR 38 kWh same
- Cooler Master GM27-CQS 38 kWh
- Koorui MB27S7U 38 kWh same
- Acer XV272U Z 38 kWh same
What it will cost you
| Period | GM27-CQS | 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?
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 | 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 | kWh / yr | Saves / year |
|---|---|---|
| Cooler Master GM27-CQS (this model) | 38 | — |
| 8 | €9 | |
| 10 | €8 | |
| 10 | €8 | |
| 10 | €8 | |
| 12 | €7 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 26.0 W
- On-mode power HDR
- 31.0 W
- Standby / networked standby
- 0.5 W
- Screen diagonal
- 27″
- Resolution
- 2560×1440
- Panel
- 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 Cooler Master under one model number.
GM27-CQS
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the Cooler Master GM27-CQS 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 31.0 W instead of 26.0 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.