Koorui E2721K
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
- 30.0 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 30.0 W, 1.2 times its SDR power. Koorui has 80 models in this group; this one is number 57 among them.
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
- Enterprise ENT-UGV-27 38 kWh same
- Enterprise ENT-UV-27 38 kWh same
- Koorui E2721K 38 kWh
- KTC H27E6S 38 kWh same
- KTC H27X8 38 kWh same
What it will cost you
| Period | E2721K | 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 |
|---|---|---|
| Koorui E2721K (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
- 30.0 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)
- 3 years
- Spare parts (minimum)
- 3 years
Model numbers and history
Registered by Koorui under one model number.
E2721K
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the Koorui E2721K 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 30.0 W instead of 26.0 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.