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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?

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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.

PC fan

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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.


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316 Results
4.5
Fractal Design Momentum 14 Black
PC Fan - size: 140 × 25mm, 350 RPM - 1800 RPM, 12 V, maximum noise level of up to 31,9 dB, 4pin PWM, PWM
729,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBmo03
Fractal Design Momentum 14 White
PC Fan - size: 140 × 25mm, 350 RPM - 1800 RPM, 12 V, maximum noise level of up to 31,9 dB, 4pin PWM, PWM
639,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBmo04
Fractal Design Momentum 12 White
PC Fan - size: 120 × 25mm, 350 RPM - 2200 RPM, 12 V, maximum noise level of up to 31,3 dB, 4pin PWM, PWM
649,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBmo02
5.0
Be quiet! Light Wings 140mm PWM Reverse Black
PC Fan - size: 140 × 25mm, 1300 RPM, 12 V, maximum noise level of up to 25,5 dB, 4pin PWM, ARGB backlight colour, PWM
749,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BLlw140r1
5.0
Corsair iCUE LINK LX140 RGB White
PC Fan - size: 140 × 25mm, 350 RPM - 2000 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, ARGB backlight colour, PWM
-10 % off new 989,- New 1,099,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYlx14r3
Noctua NF-A12x25 5V
PC Fan - size: 120 × 25mm, 1900 RPM, 5 V, maximum noise level of up to 21,4 dB, 3pin
739,-
Buy
On the way > 5 pcs
Expected 03/04/2026
Order Code: CTnfa12a2
Noctua NF-A6x15 5V PWM
PC Fan - size: 60 × 15mm, 3500 RPM, 5 V, maximum noise level of up to 19,8 dB, 4pin PWM
439,-
Currently Unavailable
Order Code: CTnfa615a4
5.0
Noctua NF-A6x15 5V
PC Fan - size: 60 × 15mm, 3500 RPM, 5 V, maximum noise level of up to 19,8 dB, 3pin
439,-
Currently Unavailable
Order Code: CTnfa615a3
5.0
Noctua NF-A6x15 FLX
PC Fan - size: 60 × 15mm, 3500 RPM, 12 V, maximum noise level of up to 19,8 dB, 3pin
439,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CTnfa615a1
5.0
GIGABYTE AORUS EZ CHAIN FAN 120 ICE (3-Pack)
PC Fan - size: 120 × 25mm, 600 RPM - 2000 RPM, 12 V, maximum noise level of up to 29 dB, ARGB backlight colour, PWM
1,179,-
Buy
In stock 5 pcs at the supplier's
Order Code: AGecf4
5.0
GIGABYTE AORUS EZ CHAIN FAN 120 ICE
PC Fan - size: 120 × 25mm, 600 RPM - 2000 RPM, 12 V, maximum noise level of up to 29 dB, ARGB backlight colour, PWM
429,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AGecf2
4.5 10×
ARCTIC S12038-8K (3 Pack)
PC Fan - size: 120 × 38mm, 800 RPM - 8000 RPM, 12 V, 4pin PWM, PWM
-38 % off new 589,- New 959,-
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBs12038a4
5.0
Be quiet! Silent Wings 4 PRO 140mm PWM
PC Fan - size: 140 × 25mm, 2400 RPM, 12 V, maximum noise level of up to 36,8 dB, 4pin PWM
-6 % off new 719,- New 769,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BLsw4p2
4.9 18×
Be Quiet! Pure Wings 3 120mm PWM high-speed White
PC Fan - size: 120 × 25mm, 2100 RPM, 12 V, maximum noise level of up to 30,9 dB, 4pin PWM, PWM
-10 % off new 179,- New 199,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BLpw3m120pw2
5.0
CORSAIR iCUE LINK RX140 RGB Expansion Fan - White
PC Fan - size: 140 × 25mm, 0 RPM - 1700 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, ARGB backlight colour, PWM
-23 % off new 739,- New 969,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYrx140awr2
Corsair iCUE LINK RX140 RGB MAX Black Dual Fan Kit
PC Fan - size: 140 × 30mm, 300 RPM - 1600 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, ARGB backlight colour, PWM
2,459,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYrx14rm2
5.0
Corsair iCUE LINK LX140-R RGB Black Dual Fan Kit
PC Fan - size: 140 × 25mm,, 12 V, maximum noise level of up to 39 dB, 4pin PWM, ARGB backlight colour, PWM
2,489,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYlx14rr2
Corsair iCUE LINK LX140-R RGB White Dual Fan Kit
PC Fan - size: 140 × 25mm,, 12 V, maximum noise level of up to 39 dB, 4pin PWM, ARGB backlight colour, PWM
2,489,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYlx14rr4
Corsair iCUE LINK LX140-R RGB Black
PC Fan - size: 140 × 25mm,, 12 V, maximum noise level of up to 39 dB, 4pin PWM, ARGB backlight colour, PWM
1,099,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYlx14rr1
4.0
Corsair iCUE LINK LX120 RGB Black Triple Fan Kit
PC Fan - size: 120 × 25mm, 400 RPM - 2400 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, ARGB backlight colour, PWM
3,179,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYlx12r2
3.0
Corsair iCUE LINK LX120 RGB Black
PC Fan - size: 120 × 25mm, 400 RPM - 2400 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, ARGB backlight colour, PWM
969,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYlx12r1
Corsair iCUE LINK RX120 MAX Black Triple Fan Kit
PC Fan - size: 120 × 30mm, 400 RPM - 2000 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, PWM
2,829,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYrx12m2
Corsair iCUE LINK RX120 MAX Black
PC Fan - size: 120 × 30mm, 400 RPM - 2000 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, PWM
869,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYrx12m1
Corsair iCUE LINK RX140 RGB MAX White Dual Fan Kit
PC Fan - size: 140 × 30mm, 300 RPM - 1600 RPM, 12 V, maximum noise level of up to 36 dB, 4pin PWM, ARGB backlight colour, PWM
2,459,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UYrx14rm4
 

PC Case Fans

PC Case Fans

In the category PC Case Fans on Alza.cz, we currently have a total of 317 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.
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