PC Case Fans

A powerful fan should be a part of every PC case, whether it has high-end gaming or energy-saving components. This is because PC case fans ensure the proper airflow and thus the cooling of the entire computer. But how do I choose the right PC case fan for my device? Here is some advice.

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The Most Important Parameters of PC Case Fans

Each PC case fan has several important parameters that you should consider when choosing one. These are mainly the size of the fan itself, its speed, its noise level and its airflow.

PC fan 120mm

PC case fan

PC ventilátor

PC fan 4 pin

What Size Should PC Case Fans Be?

PC case fans are available in many sizes. The most popular fans are the 120mm and 140mm variants, but smaller or larger fans are not unusual. What size will be perfect for you?

Small PC case fans up to 70mm are used in small PC cases. Because the blades are small, the fan must have a high speed.
PC case fans of 80×80mm are suitable for all types of cases. They have a slightly better speed ratio and airflow.
PC case fans of 92×92mm already require a little more installation space. The reward is higher airflow.
PC case fans of 120×120mm are the ideal compromise between size and cooling performance. They are a very popular option.
PC case fans of 140×140mm may not fit in every PC case any longer. They offer high airflow.
Large PC case fans from 180mm have the best airflow at the lowest speed. So they are very quiet.

The Advantages of Small PC Case Fans

The advantage may be the lower purchase price of a small fan.
The small dimensions guarantee compatibility with compact enclosures.

Advantages of Larger PC Case Fans

Large fans require lower speeds for the same airflow than their more compact counterparts.
Thanks to larger blades and lower speeds, large PC fans are also quieter.

The RPM is an Important Parameter of PC Case Fans

Each PC case fan has a specified minimum and a maximum number of revolutions per minute (RPM). Some models offer the user the possibility to control the speed. In this case, it's up to you whether you prefer power or a quiet operation. Take a look at speed-controlled fans.

Smart fan with speed control — Fan speed control can be automatic or manual. Always make sure that the model you choose supports the control. Motherboards with a voltage adjustment function offer the possibility to control unsupported fans.

Other Features of PC Case Fans

When choosing a new PC case fan, consider a few other features and functions that affect cooling performance, noise levels and a few other aspects of daily use.

The PWM fan allows the user to control the speed (RPM) at will.
Maximum TDP refers to how much heat the fan can dissipate. Processors and graphics cards also have this parameter.
The bearing type indicates the way the blades are attached to the centre of the fan. The most common systems are HBS, SSO2 or FDB.
Backlit PC case fans can glow in different colours. Some support a single colour and others dazzle with the entire RGB spectrum.

Do you need a whole set of PC case fans? Do not buy them individually. Take a look at convenient sets.

PC Case Fans with RGB Backlighting - Make your PC Stand Out

PC case fans with RGB backlighting support more than 16 million colours and shades. So your computer can really play with all the colours. When combined with a transparent cabinet, you can create a true work of art.

Wondering whether to choose a 5V, 12V or perhaps 24V PC case fan? Choose them in the clear category of Fans by Voltage.

Why Get a Silent PC Case Fan?

Do you dislike a lot of noise around you? Then a silent PC case fan is exactly what you need. These coolers boast high performance and minimal noise, so you will hardly notice them spinning. Take a look at Quiet Fans.

Jak postavit počítač

PC Fan - size: 120 × 38mm, 600 RPM - 4000 RPM, 12 V, 4pin PWM, PWM

ARCTIC S12038-8K (3 Pack)

10×

62.90 €

In stock 1 pcs

PC Fan - size: 120 × 38mm, 800 RPM - 8000 RPM, 12 V, 4pin PWM, PWM

PC Fan - size: 120 × 38mm, 800 RPM - 8000 RPM, 12 V, 4pin PWM, PWM

ARCTIC S12038-4K (3 Pack)

4×

30.90 €

In stock 3 pcs

PC Fan - size: 120 × 38mm, 600 RPM - 4000 RPM, 12 V, 4pin PWM, PWM

Fan - Desktop, noise level of 22,6 dB, power: 1,68W, oscillation, colour black

Fractal Design Dynamic X2 GP-12 Black

6×

12.90 €

In stock > 10 pcs

PC Fan - size: 120 × 25mm, 1200 RPM, 12 V, maximum noise level of up to 19,4 dB, 3pin

Noctua NF-A14x25r G2 PWM

2×

38.90 €

In stock 1 pcs

PC Fan - size: 140 × 25mm, 1500 RPM, 12 V, maximum noise level of up to 24,8 dB, 4pin PWM, PWM

Noctua NF-A14x25r G2 PWM Sx2-PP

1×

69.90 €

In stock 3 pcs

PC Fan - size: 140 × 25mm, 1500 RPM, 12 V, maximum noise level of up to 24,8 dB, 4pin PWM, PWM

Montech METAL PRO 12 ARGB PWM White

4×

16.90 €

In stock 3 pcs

Buy with code ALZADAYS10AT 15.21 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

PC Fan - size: 120 × 28mm, 600 RPM - 2200 RPM, 12 V, maximum noise level of up to 29,1 dB, 4pin PWM + 3pin ARGB, RGB backlighting

Montech GF120 ARGB PWM White

7×

13.90 €

In stock > 10 pcs

PC Fan - size: 120 × 25mm, 800 RPM - 1600 RPM, 12 V, maximum noise level of up to 25,5 dB, 4pin PWM + 3pin ARGB, RGB backlighting

Montech GF120 ARGB PWM Black

22×

11.90 €

In stock > 10 pcs

Buy with code ALZADAYS10AT 10.71 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

PC Fan - size: 120 × 25mm, 800 RPM - 1600 RPM, 12 V, maximum noise level of up to 25,5 dB, 4pin PWM + 3pin ARGB, RGB backlighting

Noctua NF-A4x10 24V PWM

2×

14.90 €

Currently Unavailable

PC Fan - size: 40 × 10mm, 5000 RPM, 24 V, maximum noise level of up to 19,6 dB, 4pin PWM, PWM

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Be quiet! Silent Wings 4 high-speed 140mm PWM

8×

23.90 €

In stock 4 pcs

PC Fan - size: 140 × 25mm, 1900 RPM, 12 V, maximum noise level of up to 29,3 dB, 4pin PWM

Be quiet! Silent Wings 4 PRO 120mm PWM

14×

28.90 €

In stock > 5 pcs

PC Fan - size: 120 × 25mm, 3000 RPM, 12 V, maximum noise level of up to 36,9 dB, 4pin PWM

Be quiet! Silent Wings 4 high-speed 120mm PWM

9×

21.90 €

In stock > 5 pcs

PC Fan - size: 120 × 25mm, 2500 RPM, 12 V, maximum noise level of up to 31,2 dB, 4pin PWM

AKASA SOHO AR12 Black Reverse Blade

3×

20.90 €

In stock 1 pcs

PC Fan - size: 120 × 25mm, 500 RPM - 2000 RPM, 12 V, maximum noise level of up to 31,6 dB, 4pin PWM, RGB backlighting, PWM

Montech RX120 PWM White

29×

10.90 € 12.90 €

In stock > 10 pcs

2 colors

Buy with code ALZADAYS10AT 9.81 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

PC Fan - size: 120 × 25mm, 800 RPM - 1600 RPM, 12 V, maximum noise level of up to 27 dB, 4pin PWM + 3pin ARGB, ARGB backlight colour, PWM

Montech RX120 PWM Black

29×

9.70 €

In stock > 10 pcs

2 colors

PC Fan - size: 120 × 25mm, 800 RPM - 1600 RPM, 12 V, maximum noise level of up to 27 dB, 4pin PWM + 3pin ARGB, ARGB backlight colour, PWM

Montech AX120 PWM White

33×

10.90 €

In stock > 10 pcs

PC Fan - size: 120 × 25mm, 800 RPM - 1600 RPM, 12 V, maximum noise level of up to 27 dB, 4pin PWM + 3pin ARGB, ARGB backlight colour, PWM

Montech AX120 PWM Black

33×

9.79 €

Currently Unavailable

PC Fan - size: 120 × 25mm, 800 RPM - 1600 RPM, 12 V, maximum noise level of up to 27 dB, 4pin PWM + 3pin ARGB, ARGB backlight colour, PWM

View

Be Quiet! Pure Wings 3 140mm PWM high-speed White

20×

13.90 €

Currently Unavailable

PC Fan - size: 140 × 25mm, 1800 RPM, 12 V, maximum noise level of up to 30,5 dB, 4pin PWM, PWM

View

Be Quiet! Pure Wings 3 120mm PWM White

9×

11.90 €

In stock 5 pcs

PC Fan - size: 120 × 25mm, 1600 RPM, 12 V, maximum noise level of up to 25,5 dB, 4pin PWM, PWM

Be quiet! Pure Wings 3 120mm PWM high-speed

24×

11.90 €

In stock > 10 pcs

PC Fan - size: 120 × 25mm, 2100 RPM, 12 V, maximum noise level of up to 30,9 dB, 4pin PWM, PWM

Be quiet! Pure Wings 3 140mm

13×

13.90 €

Currently Unavailable

PC Fan - size: 140 × 25mm, 1200 RPM, 12 V, maximum noise level of up to 21,9 dB, 3pin

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PC Case Fans

In the category PC Case Fans on Alza.at, we currently have a total of 265 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app. Continue

PC Case Fans

The Most Important Parameters of PC Case Fans

What Size Should PC Case Fans Be?

The Advantages of Small PC Case Fans

Advantages of Larger PC Case Fans

The RPM is an Important Parameter of PC Case Fans

Other Features of PC Case Fans

PC Case Fans with RGB Backlighting - Make your PC Stand Out

Why Get a Silent PC Case Fan?

PC Case Fans

PC Case Fans – proved brands

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