There are many different kinds of fans available to purchase. This guide will cover the best 140mm case fans in various price ranges to choose which one is right for you.

So you’ve decided to purchase a new 140mm case fan, or two, or maybe six. That’s fantastic! Whether you want to add them to a fresh new construction or enhance an existing one, we feel you can’t go wrong with a little more cooling.

Keep in mind that not every fan will be suitable for every user. Before you jump the gun, let’s look at some of the things you should consider before making your purchase.

What Am I Looking For In A Fan?

You may not want as much cooling as a professional gamer if you primarily utilize it for business (and aren’t working with heavy applications). However, fans are always a worthwhile investment; having more than fewer is always better.

The pin compatibility is something else you should double-check. 3-pin, 4-pin, and Molex connections are available on sure fans. Most current motherboards have enough area for other fans, but you must ensure that the fan can be hooked into the motherboard.

Specifications to Think About

Apart from the above, there are a few additional technical considerations before clicking that alluring “buy now” button. Regardless of their responsibilities, all PC users should remember the following:

Bearing Types

Bearing types in fans have an impact on a variety of aspects, including performance and longevity. For example, the cheapest sleeve bearings often have the lowest lifespan, but high-end fluid bearings may endure for years.

Bearings come in a variety of shapes and sizes.

  • Sleeve bearings are inexpensive and silent but can only be installed vertically.
  • Ball bearings may be installed in any direction, are reasonably quiet, and have a reasonable lifespan.
  • Rifle bearings are similar to ball bearings in appearance.
  • Fluid bearings (FDB and HDB) are often the most expensive. However, they provide less friction and up to 300,000 hours of reliable service.

The Level of Noise

No one wants a fan that makes a lot of noise. Most current fans are silent, but if yours makes a lot of noise, it might be a sign of a hardware or installation issue. There are, however, considerable amounts of “quiet.”

Almost all current fans are quieter than 30 dB(A). However, some ultra-quiet ones may go as low as 15 dB. (A). Before making a choice, consider how essential silent performance is to you.


CFM stands for cubic feet per minute, whereas RPM stands for rotations per minute. Said, the first one regulates the speed of your fans, while the second regulates the airflow.

While high RPM fans may provide greater cooling, they frequently come at a price: they become louder. Even at maximum fan speeds, a good fan will stay silent, although this, too, may alter with time. Fans, like any other component, suffer from wear and tear, which makes them less silent as they age.

At a low RPM, the proper balance will allow for efficient ventilation and excellent cooling. That was one of our goals when we wrote this guide, so all of the fans we talk about should be able to perform silently even when under duress.


LED illumination has seized the market by storm, despite the fact that it is scarcely the most crucial factor in contrast to pure specifications. As a result, it’s critical to consider it ahead of time.

If you want gleaming brilliant lights in a spectrum of hues or a single dazzling hue, LED/RGB fans are the way to go.

What Are the Prices of Fans?

Fans are typically affordable, however, 140mm models are clearly more costly than their 80mm equivalents. They do, however, have a lot more power and are better suited to massive, high-end systems.

It’s important to remember that you’re unlikely to purchase just one fan. Modern cases can frequently hold up to six fans, and depending on how much cooling you want, and you may cost extra merely to obtain many fans at once.

We’ve prepared a quick summary of the estimated cost for 140mm case fans to help you figure out how much money you’ll need to set aside in your budget.

  • A low-cost 140mm case fan costs between $10 and $15.
  • $15-25 for a mid-range 140mm case fan
  • A high-end 140mm case fan costs between $30 and $50.

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