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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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317 Results
4.5 39×
ARCTIC P12 Pro
PC Fan - size: 120 × 25mm, 600 RPM - 3000 RPM, 12 V, maximum noise level of up to 25 dB, 4pin PWM, PWM
189,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: CBp12p3
4.4 25×
ARCTIC P12 Pro PST Value Pack (5pcs)
PC Fan - size: 120 × 25mm, 600 RPM - 3000 RPM, 12 V, maximum noise level of up to 25 dB, 4pin PWM, PWM
759,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp12p2
4.0 21×
ARCTIC P14 Pro PST
PC Fan - size: 140 × 27mm, 400 RPM - 2500 RPM, 12 V, 4pin PWM, PWM and PST
289,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp14p6
4.7 35×
ARCTIC P12 Pro A-RGB
PC Fan - size: 120 × 25mm, 600 RPM - 3000 RPM, 12 V, 4pin PWM, ARGB backlight colour, PWM
279,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: CBp12p1
4.9 42×
Be quiet! Pure Wings 3 120mm PWM
PC Fan - size: 120 × 25mm, 1600 RPM, 12 V, maximum noise level of up to 25,5 dB, 4pin PWM, PWM
279,-
Buy
In stock > 10 pcs at the supplier's
Order Code: BLpw3m120p
4.8 131×
ARCTIC P12 Slim PWM PST
PC Fan - size: 120 × 15mm, 300 RPM - 2100 RPM, 12 V, maximum noise level of up to 22,5 dB, 4pin PWM + 4pin socket, PWM and PST
169,-
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In stock > 10 pcs
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Order Code: CB211d6h
4.9 206×
Noctua NF-F12 PWM
PC Fan - size: 120 × 25mm, 300 RPM - 1500 RPM, 12 V, maximum noise level of up to 22,4 dB, 4pin PWM, PWM
Amazing Deal 639,- Save 310,-
Buy
On the way > 5 pcs
Expected 07/04/2026
Order Code: CT255u
4.7 44×
ARCTIC P12 Pro A-RGB Value pack (3pcs)
PC Fan - size: 120 × 25mm, 600 RPM - 3000 RPM, 12 V, 4pin PWM, ARGB backlight colour, PWM
839,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp12p4
4.7 78×
ARCTIC P14 140mm
PC Fan - size: 140 × 27mm, 1700 RPM, 12 V, maximum noise level of up to 22,5 dB, 3pin
199,-
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CB211d7a
4.6 62×
ARCTIC P12 Pro PST
PC Fan - size: 120 × 25mm, 600 RPM - 3000 RPM, 12 V, 4pin PWM, PWM and PST
289,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp12p7
5.0 35×
ARCTIC P9 PWM PST
PC Fan - size: 92 × 25mm, 200 RPM - 3000 RPM, 12 V, 4pin PWM, PWM and PST
149,-
Buy
In stock > 5 pcs at the supplier's
Order Code: CBp9pp
4.9 31×
Be quiet! Pure Wings 3 140mm PWM high-speed
PC Fan - size: 140 × 25mm, 1800 RPM, 12 V, maximum noise level of up to 30,5 dB, 4pin PWM, PWM
329,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BLpw3m140pw
4.8 144×
Noctua NF-P12 redux-1700 PWM
PC Fan - size: 120 × 25mm, 450 RPM - 1700 RPM, maximum noise level of up to 25,1 dB, 4pin PWM, PWM
369,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CT255u2c
4.7 16×
Be quiet! Light Wings 120mm PWM
PC Fan - size: 120 × 25mm, 1700 RPM, 12 V, maximum noise level of up to 20,6 dB, 4pin PWM, ARGB backlight colour, PWM
599,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BLlw120
4.8 76×
ARCTIC P8 PWM PST
PC Fan - size: 80 × 25mm, 200 RPM - 3000 RPM, 12 V, maximum noise level of up to 22,5 dB, 4pin PWM, PWM and PST
139,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp8pp
4.3
Noctua NF-A14x25 G2 PWM Sx2-PP chromax. black
PC Fan - size: 140 × 25mm, 0 RPM - 1500 RPM, 12 V, maximum noise level of up to 24,8 dB, 4pin PWM, PWM
1,759,-
Buy
On the way > 5 pcs
Expected 03/04/2026
Order Code: CTnfa14g5
4.9 33×
Be quiet! Pure Wings 3 140mm PWM
PC Fan - size: 140 × 25mm, 1200 RPM, 12 V, maximum noise level of up to 21,9 dB, 4pin PWM, PWM
399,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BLpw3m140p
4.9 44×
ARCTIC P8 Slim PWM PST
PC Fan - size: 80 × 15mm, 300 RPM - 3000 RPM, 12 V, 4pin PWM, PWM and PST
159,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp8spp
4.8 18×
ARCTIC P9 Silent
PC Fan - size: 92 × 25mm, 1900 RPM, 12 V, 3pin
149,-
Buy
In stock > 10 pcs at the supplier's
Order Code: CBp9s
4.7 18×
ARCTIC P14 Pro A-RGB Value pack (3pcs)
PC Fan - size: 140 × 27mm, 400 RPM - 2500 RPM, 12 V, 4pin PWM, ARGB backlight colour, PWM
959,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp14p1
4.8 64×
Noctua NF-R8 redux-1800 PWM
PC Fan - size: 80 × 25mm, 325 RPM - 1800 RPM, 12 V, maximum noise level of up to 17,1 dB, 4pin PWM, PWM
299,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CT255w2h
4.8 50×
Noctua NF-A4x20 PWM
PC Fan - size: 40 × 20mm, 1200 RPM - 5000 RPM, 12 V, maximum noise level of up to 14,9 dB, 4pin PWM, PWM
349,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CT255v5d
4.9 77×
Noctua NF-A12x25 PWM chromax.black.swap
PC Fan - size: 120 × 25mm, 450 RPM - 2000 RPM, 12 V, maximum noise level of up to 22,6 dB, 4pin PWM, PWM
799,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CT255w2y3a
4.0
ARCTIC P12 Pro Reverse A-RGB 3-Pack
PC Fan - size: 120 × 27mm, 500 RPM - 3000 RPM, 12 V, 4pin PWM, ARGB backlight colour, PWM and reverzní tok vzduchu
739,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CBp12pr5
 

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PC Case Fans

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