Fluctus 140 PWM EY4A003 When your heated computer needs a quick refreshment, give it something to cool down. Preferably Fluctus 140 PWM – a solid fan with great power. If we were to describe this bad boy in two words, we’d say that it’s good and quiet. Not only does it perfectly lower the temperature (even in housings with dense filters) but it also does it without hesitation monotonous noise. Not even your neighbor will hear it.