How to make a silent PC without spending little money

Maximum performance with the lowest noise and good temperatures, the eternal equation that becomes impossible if we add the price variable to it. As we have said, there are no miracles here, not even great tricks to optimize at zero cost, but we can give some simple guidelines to remarkably improve the infernal sound that they can do according to which PCs.

Contents hide

1 PWM control via motherboard

2 Activate power saving modes

3 Control graphics card fans

4 Improve the chassis interior ventilation system

5 Install insulation panels

5.1 Related posts:

PWM control via motherboard

All the fans that we have in the PC, if this is moderately current, should include either a three-pin connector or PWM. As soon as our motherboard is simply decent, it will allow intelligent RPM management through its UEFI / BIOS.

This is important, since a correct profile that increases the revolutions according to the temperature will save us a lot of noise, especially in idle. If instead, our fans are powered by molex, the ideal would be to choose to change them to improve both the loudness and its control.

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Activate power saving modes

Windows economizer mode

Most users always use Windows balanced mode for their PCs, where the most demanding could opt for high-performance mode at the expense of temperatures and sound.

But the energy saving mode or «economizer»It is a little used and known tool, but it has important long-term benefits for our silent PC. Processor power systems benefit greatly from this mode, reducing frequencies and voltage to the minimum possible and for a longer time.

This will make us have a lower loudness in our AIO or heatsink. Logically, there is a loss of performance in certain scenarios, so we may have to enable or disable it depending on our needs.

Control graphics card fans

Although it may not seem like it, the graphics card implies a good part of the PC's sound, especially while we play. A software speed profile is ideal for our purpose, where programs like Afterburner, GPU TweakII or similar are ideal for these purposes, since once created, they can be saved and applied directly to each system startup.

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In AMD GPUs this can involve not only lower loudness, but even better temperature, since sometimes and especially in reference models, the calibration of the temperature / RPM curve is not optimal, so it would be necessary to test and optimize manually.

Improve the chassis interior ventilation system

In air cooling, a correct movement of the interior air of the chassis is necessary. Each PC is a world, so the fixed rules are not generally applicable in this section, but we do have to take into account one thing that applies to everything: it is not valid to just introduce "cold air" to the components, but that it is necessary to remove the hot air they generate as quickly as possible.

Obvious? It can, but now look at your PC, does it really evacuate hot air at the same rate as it introduces cooler air? Optimizing flow is vital and perhaps can be improved with minimal or even no expense on fans, just by changing the direction of movement of certain fans.

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Optimization here is key and we may gain a lot with little, since better temperature in the components implies less loudness in their heatsinks and fans.