What is ECO Mode on Power Supply?

“Eco mode” is a feature available on some power supplies that helps to reduce the amount of power consumed by the power supply when it’s not under heavy load. This feature is designed to improve the overall energy efficiency of the power supply by adjusting its power output based on the power demands of the connected devices.

When a power supply is operating in eco mode, it will typically reduce its fan speed and decrease its power output to conserve energy. This can help to reduce the amount of power consumed by the power supply, as well as decrease the amount of heat generated by the power supply. This can be especially useful for users who are looking to reduce their energy bills or who are concerned about the environmental impact of their energy consumption.

However, it’s important to note that not all power supplies support eco mode, and the specific features and functionality of eco mode can vary depending on the manufacturer and model of the power supply. If you’re considering a power supply with an eco-mode feature, be sure to carefully review its specifications and capabilities to determine whether it will meet your needs.

how to check is eco mode on or off PSU?

The method for checking whether the eco mode is on or off for a power supply unit (PSU) will vary depending on the manufacturer and model of the PSU. However, there are a few general steps you can take to determine whether your PSU is operating in eco mode:

  1. Check the PSU manual: The first step is to consult the manual for your PSU to see if it supports eco mode and how to enable or disable it. The manual should also indicate how to check whether eco mode is on or off.
  2. Check the PSU label: Many modern PSUs will have a label indicating whether they are operating in eco mode or not. The label might be on the side of the PSU or on a digital display if the PSU has one.
  3. Check software utilities: Some PSU manufacturers offer software utilities that can be used to monitor and control the PSU, including the eco mode feature. Check the manufacturer’s website to see if such a utility is available for your PSU.
  4. Check the system BIOS: Some motherboards can detect whether the PSU is in eco mode and display this information in the system BIOS. Check your motherboard manual to see if this is an option.

If none of these methods work, you can also contact the manufacturer’s customer support to ask for assistance.

should i use eco mode on pSU? Pros And Cons of using eco


  1. Reduced energy consumption: Eco mode can help to reduce the amount of power consumed by the PSU when it’s not under heavy load, which can lead to lower energy bills and a reduced carbon footprint.
  2. Lower noise levels: Because the PSU is operating at a lower power output, it will generate less heat and may not need to run its cooling fans as often or at as high a speed. This can result in a quieter system.
  3. Longer lifespan: Using eco mode can reduce the stress on the PSU’s components, which can lead to a longer lifespan.


  1. Reduced performance: When the PSU is operating in eco mode, it may not be able to provide as much power to the system as it would when it’s operating at full power. This could result in reduced system performance in some cases.
  2. Limited compatibility: Not all PSUs support eco mode, so you’ll need to make sure your PSU has this feature before you can take advantage of it.
  3. Compatibility issues: In rare cases, some devices may not work properly with the PSU when it’s in eco mode. For example, a device with a very low power draw may not receive enough power to operate properly.

Overall, the ECO mode can be a useful feature for reducing energy consumption and noise levels and extending the lifespan of your PSU. However, it’s important to carefully consider the potential drawbacks and ensure that the PSU is compatible with the devices in your system before enabling this feature.