the essentials in brief
How many fans do you need in a PC?
It depends on how you use the PC. Do you demand more from the processor? Performance you need more cooling - ergo: more fans. For one Gaming PC three fans are recommended, for example.
In which direction do you put the PC fan?
At best, you install a PC fan from the front to the back. To ensure optimal airflow, it is also advisable to point it upwards.
How important are fans in a PC?
They carry so much importance because they help extend the lifespan of your PC. With the help of their cooling function, the performance of your PC is improved. And: they work quietly, can be replaced at any time and are easy to install.
A working PC is part of the business of many well-known Youtubers who are online these days. Especially in gaming area he represents the centerpiece – especially when Let's Plays to the latest Videogames be included. However, in order to be able to work optimally, a processor must not overheat. Therefore, buying a PC fan is also important. In the following, we will explain exactly what a PC fan is, what properties it has and what types of fans of this type can be distinguished. Furthermore, we will introduce you to the most important points regarding functionality and handling and show you what is important when buying a case fan.
Contents
What is a PC fan?
Close-up of a PC fan
PC fans are rather small fans in different formats that you can use in the Housing can install on your processor. They ensure that the heat generated by the individual components is dissipated. This helps improve the performance of the Computers to improve. It also helps extend the life of your PC.
computer processor
A computer processor – central processing unit (CPU) – is the heart of every computer. The CPU is responsible for controlling and executing instructions given by a computer program. The processor also determines the speed and performance of the computer. It also accepts data from various input devices, such as a keyboard and mouse, and provides data to output devices such as monitors and Loudspeakers continue.
The question now arises: How many fans does a PC actually need? This mainly depends on the activities that you want to carry out with the help of your computer.
As a rule of thumb: The more and the more demanding the work you want to do - the more Cooling your PC needs. For example, if you run a gaming channel or eSportsman are, the performance of your computer will be different than if you are Desktop used to edit photos. Video rendering also usually requires higher performance, which has to be compensated for by optimal cooling.
With a Housing, which has three fans, you can normally do nothing wrong. The airflow generated by three fans within the PC case most effectively affects the CPU. Especially with a computer that you Gaming uses. Not only the CPU is cooled, but also the graphics card.
Note: The correct placement of the fans is important here.
Why you should get a PC fan
As already mentioned, a PC fan has various properties that have a beneficial effect on the functioning of a CPU. So what are the benefits of getting a fan?
Gamer plays on PC
- Cooling: The main advantage of PC fans is that they dissipate the heat inside the computer. Without adequate cooling, the heat can increase. The result: slowdowns in performance and, in the worst case, even damage to the components of your PC. For this reason, PC fans are used as a precaution.
- Extension of the service life: The dissipation of heat in turn affects the lifespan of a computer. Because: Excessive heat can shorten the lifespan of components such as the CPU, graphics card and memory. With the help of fans of this type, the service life is practically extended.
- performance increase: Adequate cooling helps the computer run faster and more efficiently.
- Noise reduction: Some PC fans usually work very quietly. This minimizes noise pollution in the room. This is useful, for example, if you have your PC in the office or in the bedroom. It also interferes less with working on the PC.
- expandability: In many cases, PC fans can be easily replaced to improve cooling if necessary. This can be an advantage for more power-intensive work. There is a risk of overheating with these. The interchangeable PC fans allow you to adapt your computer to the corresponding activities.
- inexpensive and easy to use: PC fans are usually inexpensive and easy to install. This makes them a cost-effective solution for cooling computers
What types of PC fans are there?
You can cool down your PC in different ways. In addition to water cooling or cooling with nitrogen and oil, there is cooling with air.
Additional information: An Water Cooling works via a built-in circuit with water conductors. Compared to air cooling, water has a greater heat storage capacity. In other words: It can store more heat given off in proportion. However, cooling with water is often more expensive to purchase.
PC fans fall into the field of air cooling. Which fans of this type can be differentiated?
centrifugal fan
These fans are mainly used for graphics cards. Also slots in Housing can thus be optimally ventilated. One of their biggest advantages is their shape: radial fans are usually built relatively slim.
Image of a graphics card
Axial fan
Fans of this type are common for use in PCs. They are mainly used for cooling the CPU and the housing. Certain power supplies can also be aired out with it.
A plus point is that axial fans can be used according to their size. As a rule, dimensions such as 120 or 140 mm are suitable for use as a PC fan.
Functionality and handling of a PC fan
How do you install a PC fan?
PC fan installation varies depending on the type of fan and computer model. As a rule, however, corresponding screws must be loosened and/or plug connections connected.
Replacing a PC fan
It is important to read the manufacturer's instructions carefully and follow them. This ensures that the fan is installed correctly. This also includes the correct alignment of the fan to ensure effective cooling.
Which orientation should one consider here? The same applies in this case: This can vary from model to model. However, it is advisable to design the alignment from front to back. Furthermore, it is ideal to install facing upwards. That means: The assembly starts at the bottom and at the front. Work backwards and upwards.
How do you maintain and clean a PC fan?
It is important to clean the PC fans regularly. This way you ensure that they work effectively.
- You can use a handheld vacuum or brush to remove dust and/or debris from the fan blades.
- You can also remove the fan and dip it in alcohol to remove any residue. For example, you can use a simple bowl.
- Also make sure that the fans are free to spin and that there are no foreign objects blocking the fan blades.
What should you look out for when buying a PC fan?
There are a few things to consider when choosing the right PC fan. Which ones are included?
- Size: The size of the fan is important to ensure the fan fits in the available space in your computer. If the fan is too big, it may not fit properly. This can affect cooling.
- volume: Although generally quiet, some fans are louder than others. If you are concerned about noise, you should choose a fan accordingly.
- Performance: Make sure the fan has enough power to effectively dissipate the heat inside your computer. A low powered fan may not be able to optimally balance the heat.
- airflow: It is important that the fan has sufficient airflow.
- Connections and plugs: Make sure the fan has the correct connectors and plugs to connect to your Desktop to be able to connect. For example, some fans use 3-Pin-Male connector while others use 4 pin connector.
- Compatibility: It is important to ensure that the fan works with your Desktop and its components is compatible. For example, some fans are designed specifically for certain processor models.
- Price: The price of the fan is also an important factor. There are fans in different price ranges. Pay attention to the right value for money.
Tip: Mostly there are also PC fans in the Set. In this way, you don't have to do a lot of calculations and can install the appropriate set directly. Buying individual parts of a PC fan is also possible at any time. Especially if you just want to replace a fan or something similar.
At a glance
A PC fan is an important part of every computer. It ensures that the heat within the Computers is carried away. This preserves the performance and lifespan of the processor and other components such as the graphics card. There are different types of PC fans, each designed for specific applications. Below: radial and axial fans.
Maintaining, installing and cleaning a PC fan is easy. However, you should pay attention to the optimal placement to ensure optimal airflow.
What is important when you want to buy a fan? There are factors to consider such as: size, volume, power, airflow, ports and connectors, compatibility and price. These factors should be considered to ensure that the fan fits in the available space and can effectively dissipate the heat.
FAQ about PC fans
In comparison, water cooling can store and divert more heat than air cooling. However, they are often in higher price ranges.
This can vary, depending on what tasks are done via/with the PC. For tasks that demand more performance, three fans are usually advisable.
In this context, brand names such as Noctua or Noiseblocker often come up.
A generally optimal speed for a PC fan is around 500 rpm.