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NAS power consumption: How much power it draws per year

  • Oct 03, 2025
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Even if most of NAS servers are now quite economical, hanging them permanently on the network. So your power consumption is not often appreciate it. We will show you how you can estimate the cost of electricity for your network storage.

Electricity costs for NAS charge – HOWTO

The energy to calculate the cost for your NAS, you need two data: The power consumption of your NAS in watts and the price your energy supplier for each Kilowatt-hour. The former you can find on the manufacturer's website or packaging.
  • For better understanding, we explain the calculation by an example. We, your NAS needs 40 watts, and you pay for a Kilowatt-hour from 0.25 Euro.
  • First you need to convert the power consumption in kilowatts. So, our bill is 40 W : 1.000 = 0,04 kW.
  • This value must then be the price per Kilowatt-hour multiplied. So you come on the cost per hour. Therefore, the statement in this case is 0.04 kW * 0,25 € = 0,01 € per hour. If you multiply that value by 24, the result is the cost per day, in this case, a price of 0.24 Euro.
  • If you want to know the cost per month and per year, you need to multiply this value with 30, or 31, or 365. In our example, therefore, on electricity costs of 87,60 Euro per year.
  • Note: your results may differ greatly from our example depending on how high the power consumption of your NAS is and how much a Kilowatt hour costs.
Electricity costs for NAS to calculate
The cheapest electricity suppliers can be found in our current comparison!
Electricity costs too high? In the next practice tip, you will learn how you on the WD MY Cloud to a power plan set up can.

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