KTC ZN27OL240
Uses less electricity than 1% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €14 a year, €143 over ten years.
- Power, SDR
- 34.5 W
- Typical 21 W
- Running cost
- €14 / year
- 4 h a day
- Power, HDR
- 36.5 W
- 1.1× SDR
Uses more than most comparable models: 99 % of them need less. Teamgee TG-S10 PRO, the most efficient alternative on sale, saves about €12 a year. 95% of comparable models reach a better class than G; the most common is E. On-mode power in SDR is 34.5 W; the typical screen of this size draws 20.5 W. KTC has 64 models in this group; this one is number 62 among them.
Where it stands
Rank 4,762 of 4,819 monitors, 24–31″ by yearly consumption. 4,761 use less.
Next to it in the ranking
- Acer KG281K 50 kWh −€0.23
- Rampage ZN27OL240 50 kWh same
- KTC ZN27OL240 50 kWh
- 2E D2923B 51 kWh +€0.20
- ViewSonic VS18277 51 kWh +€0.20
What it will cost you
| Period | ZN27OL240 | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €14 | €2 | −€12 |
| 5 years | €71 | €11 | −€61 |
| 10 years | €143 | €22 | −€121 |
| 15 years | €214 | €32 | −€182 |
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 | 25 | €7 |
| 4 hours a day | 50 | €14 |
| 8 hours a day | 101 | €29 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| KTC ZN27OL240 (this model) | 50 | — |
| 8 | €12 | |
| 10 | €11 | |
| 10 | €11 | |
| 10 | €11 | |
| 12 | €11 |
Label and product sheet
- Energy class SDR / HDR
- G / G
- On-mode power SDR
- 34.5 W
- On-mode power HDR
- 36.5 W
- Standby / networked standby
- 0.4 W
- Screen diagonal
- 27″
- Resolution
- 2560×1440
- Panel
- OTHER
- Refresh rate
- 240 Hz
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by KTC under one model number.
ZN27OL240
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the KTC ZN27OL240 cost to run?
At 4 hours a day it uses about 50 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 €143 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 36.5 W instead of 34.5 W, 1.1 times as much. The yearly cost on this page uses SDR, as the label does.