120mm vs 140mm: Which fan size is right for your computer?

There are many options available if you're looking to purchase fans. The next problem is the right size fan. There are many sizes on the market. There are many sizes available, from the 120mm fan, which is the most common, to the 200mm fan. Corsair has even released a 500mm fan. The company is still confused about them. We will guide you through the process of choosing the right fan size for your system.

What's the difference between 120mm and 140mm fans?

The task of fans is to move air. Fans are made up of three components, regardless of their size: a motor and blades. Finally, an encasement. Fans can vary in the motor type and type of bearings.

Types of blades

There are two main types of fan blades. Flat and scythe-shaped fan blades. Flat-bladed fans increase the speed of air and are suitable for radiator installation. Radiators slow down airflow, so the faster the radiator heats up, the more air will move out.

The volume of air flowing through their blades is maximized by the scythe-shaped design. The blades are shaped like a katana, which helps to cut the air backward and increase airflow.

While there are some differences in the way they work, it is not impossible to get the right type of fan for the job you have assigned them. Don't panic if you have already purchased the wrong fan. The performance difference between the two types of fans is negligible.

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Types of bearings

The fan's friction is reduced by the bearing. The life expectancy of a fan is determined by the type of bearing it has. You can get fans with either sleeve or fluid bearings. We recommend a ball bearing as the best type of bearing. Ball bearings are economical and last a long time without breaking.

We've seen magnetic levitation fans made by companies like Corsair. The prices these fans demand are outrageous.

We now have a basic understanding of the parts that make a fan function, let's see how the sizes affect the results.

Because they are smaller than 140mm fans, 120mm fans need to spin faster to move the same amount of air. The Best 140mm case fans are larger and can spin slower to move the same amount of air.

The 140mm fans spin slower and consume less power than 120mm fans. If your case allows them, you might suggest 140mm fans.

Can you mix 120mm and 140mm fans?

The fans create negative pressure zones before them. Depending on how they are set up, air moves into the negative pressure zones. You can mix fans of different sizes. As they deal with air, all types of fans can be combined. The direction that which fans are set up will determine how much air moves.

Both 120mm and 140mm fans are good for the job. The 140mm fans, however, are quieter. Fans can also enhance the appearance of your case. You should choose the right size based on what you want to achieve in terms of looks and noise level.

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