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When equipping your PC case and its components with proper airflow, you need the best PC case fan. There are many different chassis fans to choose from, all of which offer various sizes, noise levels, and airflow. If your case is equipped with high-end hardware (such as large GPUs and powerful CPUs), on average, these hardware tend to generate more heat, which is even more important. If these components are not properly cooled, your PC may increase the ambient temperature of your room and stop working effectively. In addition, the extra heat can even shorten the lifespan of some hardware. This is why we like to use only the best fans.

So, if you are looking for the best 80mm, 120mm, 140mm or even 200mm chassis fan, don't worry, we have already provided the service for you. Below is a list of the best chassis fans currently available for 2021. All fans have passed performance, efficiency, noise level and airflow tests.

With this in mind, let's take a look at the top competitors.

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Noctua is highly regarded for its quality, acoustic performance and cooling, making its chassis fan the best choice. The

Noctua NFA series has an incredible dBa level when operating at maximum RPM, and is also equipped with anti-vibration brackets to further reduce noise.

At 1500 RPM, the device provides 82.5 CFM at a noise level of 24.6 dBA, making it one of the best chassis fan choices on the market.

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from Amazon If you like RGB, Thermaltake Riing Quad won't let you down. These fans not only make your case look impressive, but the airflow they provide can also keep your components beautiful and cool.

These fans add an excellent lighting option to your case while isolating the hot air from the machine. Even if it runs at 1500 RPM, the fan only outputs 25 dBa

. The fan comes in several different sizes, but only three in a pack, providing a complete set for your box!

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from Amazon. Don’t be fooled by the appearance (and size). Although it may be a simple 80mm fan, it still has plenty of airflow compared to other equally tiny competitors in this category.

This fan uses Noctua's Advanced Acoustic Optimization (AAO) frame and complex aerodynamic design. Finally, the award-winning SelfStabilizing OilPressure Version 2 (SSO2) bearings and 4 vibration compensators are used to make this box fan not only extremely quiet but also highly efficient.

This 4-pin PWM (Pulse Width Modulation) fan can also be dynamically controlled using third-party software. If you want to keep the RPM low without wasting time on third-party software, it is also equipped with a low-noise adapter (LNA).

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This gentle giant may be large, but surprisingly quiet. The noise level is not far from Noctua NFA8.

If you prefer a large fan to get a higher CFM, but the RPM is significantly lower, this is one of the best choices. With a noise level of only 19 dBA, you will get a return of up to 110 CFM.

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If you need maximum noise reduction, Cooler Master Silencio FP 120 is the best option. The maximum noise level is 14 dBA and no sound can be heard.

Thanks to Cooler Master's Silent driver IC technology, the fan generates fewer torque pulses, which means minimal vibration and ultra-low noise. It also aims to strike a balance between static performance and airflow.

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Whether we are reviewing a new monitor or the best GPU on the market, choosing the right hardware is always a difficult task.

It takes hours of product research, performance benchmarking, and user feedback review to come to a clear conclusion on recommended content.

If you are not proficient in technology and find it difficult to take the time to complete the requirements above, you may end up purchasing a chassis fan that is simply not suitable for your specific needs. Chapter

Don't Be Afraid, Friend! At WePC, we like to take the pressure off your research and turn the entire process into a comprehensive buyer's guide that's easy to follow. That's right, our team of PC enthusiasts did all the hard work for you!

In our best guide, testing the products we recommend is an important part of the entire selection process. This is one way to ensure that the product we recommend is without a doubt the best option in its particular category.

To ensure that a product is "the best", it must show excellent performance in our tests and show better quality and functionality than the competition it faces.

Most of the products we recommend at WePC have undergone a rigorous testing process, covering everything from price and performance to quality, efficiency and build aesthetics.

by doing so allows us to provide you with the most accurate product performance assessment and ultimately determine if it is worthy of your consideration.

When shopping for the best PC case fans, you should consider the following factors to make sure they are not only suitable for your system, but also stay cool enough.

So when we look at the best fan case of 2021, let's move on to the most important thing to consider. The first thing to consider for

is whether it is better to buy a high static pressure fan or a large air volume fan. This is determined by the actual shape of the fan blades. Yes, that is correct. You can get exactly the same fan shape and model, just use different fan blades.

No need to pass the specification sheet

Behind the fan. For example, if you have a case with a lot of open space, these fans should provide more efficient airflow for your case. The

static pressure fan distributes the air more evenly. This means that they are not as strong in a straight line, but they can work well when there are obstacles such as components and radiators.

So what is CFM? Well, the airflow of the fan is measured in CFM or cubic feet per minute. This determines the amount of air that the fan can circulate in one minute.

Generally speaking, the higher the CFM level, the better. However, when it comes to hardware clogging, static pressure can improve efficiency with less CFM. The ideal CFM of a

PC will vary from case to case, because many factors need to be considered. Factors such as chassis size, design, CPU heat output, type of CPU cooler you have, GPU fan (either outdoor or blower type), and the number of chassis fans that can install. ventilator? Well, this is very basic: they move more air.

If you are not sure what size will fit your box, just check your box manual. You can also visit the manufacturer's website to verify the dimensions and specifications of your case. If all other methods fail, just pick up the tape measure and measure the fan inside the case.

The following shows some of the most common fan sizes and the distance between the screw holes:

The speed of the fan is in RPM (revolutions per minute). The higher the RPM, the more air enters the system. RPM has a direct effect on the noise level of the fan, because the faster it spins, the more noise it produces.

This will also affect the size of the fan you want. Although you can use a small fan quickly, it may be louder. Therefore, you can use a larger fan at a slower speed.

To get the correct RPM for your configuration, simply use third-party software such as SpeedFan to set the fan to full speed, and then reduce the speed by 25% until the fan is not too high and the temperature is acceptable.

At present, most chassis fans use three basic bearing types. They are as follows:

This bearing type is the cheapest and is expected to last about 40,000 hours at 60°C (140°F). The

fan speed is designed for low maintenance and low operating noise. It is recommended to install this type of fans vertically, which is said to be quieter.

However, it should be noted that despite low operating noise, they tend to fail without warning. The

double ball bearing is more expensive than sleeve bearings, but has a longer service life; operates at 60 ° C (140 ° F) for up to 60,000 to 75,000 hours.

is different from sleeve bearings, they can be installed in any position, and the sound is louder. That is why it is not recommended for home use, but it is very suitable for server farms.

These are high quality bearings. They tend to have a longer service life, reaching 100,000 to 300,000 hours at 60 °C (140 °F).

and double ball bearings, they can be installed in any position. They also have the lowest noise level of the three and are suitable for server and home use, although they are most suitable for home use because they are a bit expensive.

Fan noise is measured in decibels (dBA). Weighted decibels are one way that we can measure the volume of sound in the human ear. Almost all chassis fan manufacturers include the fan noise level. Some of the factors that cause

fan noise include:

Generally, its range is between 10dBA and 36dBA. In any case, for obvious reasons, you'll want a chassis fan with the least noise. The following is the ratio of the volume of these noises compared to everyday sounds: The

has three types of fan power connectors:

Low voltage 3-pin connector operation may cause problems or stop the fan from operating . Therefore, when doing this, make sure you know exactly what you are doing. The

connector type will affect compatibility, so please check your motherboard connector type before purchasing. You can customize the

chassis fan to enhance the appearance of your PC through colored circles or RGB lighting. For fans, we tend to pay more attention to features, because this will help extend the life of the system.

When installing fans in the chassis, you must choose whether each fan is used as an intake or exhaust fan.

Ideally, you want to make sure that there is at least one intake and one exhaust, but don't worry too much about the ratio. Some terms to be familiar with

are:

Obviously, you need a neutral air pressure. A good way to do this correctly is to measure the total CFM of all intake fans and the CFM of all exhaust fans.

If the intake CFM is higher, a positive air pressure is obtained, and if the exhaust air is higher, a negative air pressure is obtained. The same amount of CFM means it has approximately neutral air pressure. Please note that if the fan is blocked, its maximum CFM cannot be compensated.

It is also worth noting that the fan placement may be difficult to put down. Therefore, it is best to pay attention to places where most of the dust collects. If you think it is causing a problem, you can adjust the fan position accordingly.

If you are not sure whether your fan is in or out, the next section

The best case fan for your computer? You should review the following:

Understand your needs and wants. Assess your needs in advance and prioritize what your PC really needs. Are you having problems in a specific area or are you looking for a suitable chassis fan to take preventive measures?

Be sure to check the connector type of your PC. Before purchasing, be sure to check the available connectors on the motherboard to avoid compatibility issues.

measures the size. Check your case manual or website for the exact size and number of fans supported.

Will noise be a problem? If you need a quiet chassis fan, please consider choosing a fan with the least noise. On the other hand, if noise is not a problem, you may find that the noise is not so quiet, but you can still work well with less money.

How do you want to control your fan? If you want to dynamically control the fan speed through third-party software, please purchase a fan with a 4-pin connector. Otherwise, most ordinary users will do a good job with a 3-pin fan.

Maximum Noise Level (dBA) and Speed (RPM)

24.6 dBA / 1500 RPM

Dimensions / Dimensions

140mm / 140 x 140 x 25mm

Air Flow (CFM) 44544 444-44 444 FM

444 44 44 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 44 44 44

4 FM connection The size of the device is purchased on Amazon.

Maximum noise level (dBa) Rotation speed (RPM):

24.8 dBA / 1500RPM

Dimensions:

120mm / 120mm x 25mm

Cfm Air flow: 4494 x 4 4 4 4 4 pin 4 pin 4 4 4 4-pin USB 2.0

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Maximum Noise Level (dBA) and Speed (RPM)

17.7 dBA / 2200 RPM

Dimensions / Dimensions

80mm / 80x80x25mm

Pin Airflow (C444FM) Connector 44 44 44 Pin 444 Pin

Buy

Maximum Noise Level (dBA) and Speed (RPM) from Amazon

19 dBA / 700 RPM

Dimensions / Dimensions

200mm / 200x200x30 mm

Airflow Type (CFM) 1

444pin 3444pin

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Maximum Noise Level (dBA) And rotation speed (RPM)

14dB / 1400 RPM

size / size

120mm / 120x120x25mm

air flow (CFM)

44 CFM

connector type

4 pin

store am Asson

maximum noise level (dB) and rotation Speed (RPM)

24.6 dBA / 1500 RPM

Dimensions / Dimensions

140mm / 140 x 140 x 25mm

Airflow (CFM)

82.5 CFM

Connector type

4-pin 4-pin Yamaha Xun

Award-winning

444

Chassis fan

Includes anti-vibration bracket

Disadvantages

Superior price

Disagreement in design

There is no simpler way to beautify the beauty of your gaming PC than installing an RGB fan, or for that matter, a set How about three? The Thermaltake Riing Quad 120mm fan is highly regarded as the best RGB fan on the market, mainly due to its vibrant 4-way lighting, reasonable airflow and acoustic performance.

can be seen from the name, these fans are 120mm, depth 25mm. These PWM fans have a CfM of 40.9, which is one of the lowest on this list, but their maximum noise is 25 dBA. The fan bearing type is hydrodynamic, and the addressable RGB is amazing.

As far as purchase options are concerned, they are only available in triple packages of 120 mm and 140 mm models. Thermaltake also offers a 200mm option as a single unit.

Whether you have a Thermaltake case or not, these Riing RGB fans will add endless fun to your build, and they are even equipped with a mini fan controller to make your life easier, a great fan.

Maximum Noise Level (dBa) Rotational Speed (RPM):

24.8 dBA / 1500 RPM

Dimensions:

120mm / 120mm x 25mm

Airflow Cfm:

40.9 x 4 4 4 4 4 CFM 4 4 4 4 CFM 4 4 4 4 CFM connector 4 4 4 4 CFM 4

High quality

Quad RGB

Use with ALEXA and Razer Chroma

CONS

Expensive

To enhance the aesthetics of a gaming PC, there is nothing simpler than installing an RGB fan, or just that. , a set of three? The Thermaltake Riing Quad 120mm fan is highly regarded as the best RGB fan on the market, mainly due to its vibrant 4-way lighting, reasonable airflow, and acoustic performance.

As the name suggests, these fans are 120mm long and 25mm deep. These PWM fans have a CfM of 40.9, which is one of the lowest on this list, but their maximum noise is 25 dBA. The fan bearing type is hydrodynamic, and the addressable RGB is amazing.

As far as purchase options are concerned, they are only available in triple packages of 120 mm and 140 mm models. Thermaltake also offers a 200mm option as a single unit.

Whether you have a Thermaltake protective case or not, these Riing RGB fans will add a special touch to your build, and even equipped with a mini fan controller to make your life easier, a great fan.

Maximum Noise Level (dBA) and Rotational Speed (RPM)

17.7 dBA / 2200 RPM

Dimensions / Dimensions

80mm / 80x80x25mm

Air Flow (CFM)

32.66CFM 444

44

equipped with a low noise adapter (LNA)

static fan

Disadvantages

Not recommended for larger cases

Noctua is the name of a cooling solution you can trust. With the Noctua NFA8 80mm chassis fan, you can get the best performance in the 80mm category. The

NFA8 uses sophisticated aerodynamic design measures and Advanced Acoustic Optimization (AAO) to keep the noise level as low as possible. In fact this can work up to 2200 RPM (using 4 pins

Keep your system cool all day. Also, you don't even need to increase the RPM to more than 1000 to achieve this, because it can even go up to 700 RPM.

Although it is the largest fan on our list, it is still quite quiet (19 dBA), almost as quiet as the Noctua NFA8 (17.7 dBA). Unfortunately, the color themes are quite limited, they are only available in black, red and blue versions. Furthermore, Cooler Master uses environmentally friendly materials when manufacturing this fan, which means it is fully ROHS compliant.

Maximum Noise Level (dBA) and Rotation Speed (RPM)

14 dBA / 1400 RPM

Dimensions / Dimensions

120mm / 120x120x25mm

Airflow (CFM)

44 44 in Amazon Type

444

PROS

is very quiet; it hardly exists

is equally good The radiator fan

Disadvantage

is only available in black (no LED)

Cooler Master Silencio FP 120 PWM is indeed worthy of the name: Silencio. At first, you might mistake the

for a standard 120mm fan, but if you look closely, this black box fan has a very different sickle-shaped blade. This is what makes the fan run quietly under high pressure. In addition to the use of toroidal dynamic bearings (LDB), the

also uses Silent Driver IC technology to provide smoother steering and less torque boost, thereby minimizing vibration and ultra-low noise.

Although you can manually control the fan through third-party software such as SpeedFan (thanks to the 4-pin connector), you don't have to do this to keep the noise level low. Other factors that make this fan quiet are the 4 metal screws and the 4 accompanying anti-vibration rubber screws. A great silent choice!

This is the best PC case fan built for your PC. We have made sure to include a variety of different options to meet a variety of consumer needs. Each fan has been tested with a variety of different chassis options to ensure we recommend the best chassis fan.

If you need a 140mm fan that not only guarantees performance, but is also quiet, the Noctua NFA14 is unrivaled. This easily becomes one of the best PC case fans on the market.

In the 120mm range, the Thermaltake Riing Quad fan pack is an RGB option and looks great in any tempered glass case. This is a high-performance fan with a relatively low noise level, and it does a good job of increasing the aesthetics of its construction.

If your case requires an 80mm fan, we personally recommend Noctua NFA8 PWM case fan: Thermaltake Core V1. Provides an astonishing amount of CFM without being too loud. But remember, there is no such thing as RGB.

If you need a big fan to keep it cool, the Cooler Master MegaFlow 200 with high CFM and extremely low noise level is hard to match.

If you really want a really quiet case fan, Cooler Master cm Silencio FP 120 PWM is one of the quietest fans currently.

Now that you know how to choose a case fan that suits your needs, and you already know some of the best case fans available in 2021, which fan are you interested in?

Why don't you leave us a message in the section below, and any questions you might have for fans of the case? Even better, why not head over to our community center, where you can discuss all your PC-related issues with like-minded people.

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