Corsair LL series LL140 RGB case fan
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Best 140mm Case Fan Reviews and Buying Guide

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Introduction

Although 140mm fans can be useful for increased airflow inside your case or for supplying airflow to 280mm AIOs, 120mm fans are by far the most common case fan radius. The best 140mm case fan may be found much more easily than the best 120mm fan because of the lower demand. Visit our cooling section, which has a lot of content on CPU coolers, if you’re more interested in coolers than case fans.

A case fan makes sure the computer’s parts are kept cool so they don’t overheat and degrade performance.

Without making much noise, the ideal 140mm case fan forces hot air outside and cool air within.

Purchasing a case fan is crucial if you play video games or spend a lot of time using a computer. If you’re trying to decide which 140mm case fan is best, take into account the following factors:

Fan Speed

It represents the fan’s rotational speed and is expressed in RPM (revolutions per minute). Higher RPM indicates faster speed and requires less time to lower the case’s temperature, according to the general rule to be taken into account while studying this element.

Air Flow

It is measured in terms of CFM and shows the effectiveness of cooling down the casing. The airflow will be better the higher the CFM.

Number of Fans

For optimal cooling performance in the majority of computer cases, you must install numerous cooling fans. So, rather than purchasing multiple fans, you can just get a pack of fans, which can include three to five fans in a box. A higher fan count typically yields a higher value for the money.

We suggest reading the “Buying Guide” provided in this post for more information in-depth. We spent several hours narrowing down the top 140mm case fans using the same data.

Best 140mm Case Fan of 2023

Corsair LL Series LL140 RGB 140mm Case Fan
  • Item Dimensions LxWxH: 5.51 x 5.51 x 0.98 inches
  • Brand: Corsair
  • Power Connector Type: 4-Pin
  • Voltage: 13.2 Volts
  • Cooling Method: Air
  • Compatible Devices: Desktop
Noctua NF-A14 iPPC-3000 PWM, Heavy Duty Cooling Fan
  • Item Dimensions LxWxH: 5.51 x 0.98 x 5.51 inches
  • Brand: Noctua
  • Power Connector Type: 4-Pin
  • Voltage: 12 Volts
  • Cooling Method: Fan
  • Noise Level: 41.3 dB
ARCTIC F14 Silent – 140mm Case Fan
  • Item Dimensions LxWxH: 5.51 x 1.06 x 5.51 inches
  • Brand: ARCTIC
  • Power Connector Type: 3-Pin
  • Voltage: 12 Volts
  • Wattage: 2.28
  • Cooling Method: Air
Cooler Master SickleFlow Square Frame 140mm Case Fan
  • Item Dimensions LxWxH: 5.51 x 5.51 x 0.98 inches
  • Brand: Cooler Master
  • Power Connector Type: 3-Pin
  • Wattage: 1.8 watts
  • Cooling Method: Air
  • Compatible Devices: Radiator
NZXT AER F – 140mm Gaming Computer Fan
  • Item Dimensions LxWxH: 5.5 x 1.02 x 5.5 inches
  • Brand: NZXT
  • Power Connector Type: 4-Pin
  • Voltage: 12 Volts
  • Cooling Method: Air
  • Compatible Devices: Gaming Console
Be Quiet BL040 Pure Wings 2 140mm Case Fan
  • Item Dimensions LxWxH: 5.51 x 5.51 x 0.98 inches
  • Brand: Be quiet!
  • Power Connector Type: 4-Pin
  • Wattage: 3.6 watts
  • Cooling Method: Water
  • Compatible Devices: Desktop
Thermaltake High Static Circular Ring Case
  • Item Dimensions LxWxH: 7.7 x 1.2 x 5.7 inches
  • Brand: Thermaltake
  • Voltage: 12 Volts
  • Wattage: 3 watts
  • Cooling Method: Air
  • Compatible Devices: Radiator
Kingwin 140mm Silent Fan for Computer Cases
  • Item Dimensions LxWxH: 5.5 x 0.9 x 5.5 inches
  • Brand: Kingwin
  • Power Connector Type: 4-Pin
  • Voltage: 12 Volts
  • Cooling Method: Air
  • Compatible Devices: Desktop

Corsair LL Series LL140 RGB 140mm Case Fan

These days, case fans with RGB lights are very common. When looking for a nice case fan of this type, you shouldn’t pass over the Corsair LL Series LL140. This can offer you access to a large number of RGB LEDs so you can personalize the appearance of your system to suit your tastes.

The Lighting Node Pro RGB controller is also included with this case fan. This controller can be used to connect fans to the program. You have access to many flashing light modes, including Color Cycle and Rainbow Wave, through this link.

In addition to the lighting system, it has a strong case fan with a 1300 RPM maximum speed. Controlling the speed is simple thanks to the inbuilt PWM. Its respectable airflow rating of roughly 51 CFM places it among the top 140mm case fans. So long as you don’t overwork the processor all day, you can rely on this case fan to keep your computer’s components cool.

In this case, the fan may produce noise levels of up to 25dB. Even though this 140mm case fan isn’t the quietest, most users aren’t troubled by these noise levels. This 140mm case fan’s front portion has a black frame.

A white LED ring surrounds the case fan’s blades. Rubber pads are also provided by the manufacturer, which can be used to conveniently reduce vibrations while in operation.

Pros

  • It has a long lifespan
  • Powerful RFM
  • The RGB lighting system is quite impressive
  • You can control the fan speed
  • Good airflow

Cons

  • No major Cons

Noctua NF-A14 iPPC-3000 PWM, Heavy Duty Cooling Fan

Noctua has been making high-quality case fans since its 2005 inception, and it has successfully dominated the market for a considerable amount of time. The best-case fans currently on the market are said to be produced by this company.

This model was created with you in mind if you require a case fan for improved pressure capacity and superior cooling performance.

The protected performance cooling (PPC) industrial fan has a distinctive color scheme that mixes black and brown. This 140mm case fan is employed in heavy-duty industrial applications in addition to residential ones. This case fan is used in industrial settings including the aviation and automobile industries.

Its fiberglass polyamide construction is one of the factors that make it the greatest overall. High temperatures can be withstood by this material thanks to its strength. The fans become sturdy and breakproof as a result.

This case fan is ideal for demanding applications that require high flow rates because it is dust and waterproof. Utilizing SCD technology, this case fan is quiet even at low speeds.

Additionally highly known is Noctua’s elegant packaging. Instead of the cheap plastic packaging that typical case fans come with, this particular case fan has an appealing box.

The three-phase motor architecture of this fan is another distinctive feature to expect. It can reduce power usage and even vibrations by providing smooth transitions. When compared to the motors used in standard fans, three-phase motors are more energy-efficient.

Pros

  • Excellent construction
  • It reduces power construction
  • Impressive packaging
  • The motor design offers superior airflow
  • Minimize noise levels

Cons

  • It is costly

ARCTIC F14 Silent – 140 mm Case Fan

This 140 mm case fan is an option if you don’t constantly use all of your processor’s capabilities. This 140mm case fan can help you save money while still providing top-notch service.

It is competitively priced. In 2022, it will be one of the quietest case fans on the market. This model’s noise level ranges from 10-15 dB.

Due to the motor’s construction from an alloy and lubricant, the manufacturer claims that this case fan is silent. Consequently, the design produces a movement with little friction.

A unique design for the Arctic F14 further enhances its visual appeal. In addition, the design of the fan blades improves airflow and promotes adequate ventilation. This case fan has an airflow rating of 46 CFM and a fan speed of 800 RPM.

This case fan is durable and reliable. This is due to the fluid dynamic bearing’s oil capsule, which guards against lubricant leakage.

There are many setups for the case fan as well. It lets cool air in while blowing away heated air. You should look elsewhere if you need a case fan for demanding tasks like 4K video rendering.

Pros

  • It is budget-friendly
  • Has a silent operation
  • It comes in an innovative design
  • The fluid bearing makes it long-lasting

Cons

  • Not the best for heavy applications

Cooler Master SickleFlow Square Frame Fan

When it comes to cooling your PC, Cooler Master is renowned for its wide variety of feature-rich computer accessories and products.

Since you can easily change the colors of this ARGB fan to whatever color of your choice, the Cooler Master SickleFlow 140 mm case fan is in the fourth spot on this list.

In addition to being an ARGB fan, its PWM controller makes it very simple to control. This allows you to adjust the fan speed, which ranges from 650 to 1400 RPM.

Although this fan’s primary function is airflow, its air-balancing design also provides respectable air pressure, making it a more versatile fan. Given that it is a Cooler Master product, the included 2-year guarantee is reasonable.

Pros

  • Adjustable colors with ARGB lighting
  • Decent airflow with high fan speeds
  • Uses PWM connector for ease of use

Cons

  • Slightly on the expensive side

NZXT AER F – 140mm Gaming Computer Fan

Another manufacturer of computer cases, CPU coolers, and fans with respectable performance is NZXT.

If you’re looking for a high-performance solution, this NZXT AER F 140 mm case fan can be another good choice. The PWM connector is the only other component this fan uses besides fluid bearings.

You may use this fan at up to 1800 RPM with this connector, which provides great cooling performance. Unfortunately, compared to other methods, this does cause a little bit more fan noise. Similar to other brands, NZXT case fans come with a 2-year guarantee.

Pros

  • Fairly decent value for the money
  • Quite a high fan speed rating
  • Uses PWM connector for adjustments

Cons

  • Slightly loud for some users

Be Quiet BL040 Pure Wings 2 140mm PWM Case Fan

Since Be Quiet and Noctua produce results that are quite close in terms of noise-to-cooling performance ratio, Be Quiet is regarded as one of the finest alternatives to Noctua.

One of the quietest case fans on the market is the Be Quiet BL040 Pure Wings 2 140 mm fan. However, because it is a PWM airflow fan, its cooling capacity is still very high. However, its maximum fan speed of 1000 RPM may be too low for usage with radiators.

This likewise comes as a single fan in the package, like the majority of other case fans. An excellent feature of Be Quiet and its Pure Wings 2 case fan is the 3-year warranty that is provided.

Pros

  • Very silent fan motor
  • Great cooling performance
  • Includes a warranty

Cons

  • Not ideal for radiators

Thermaltake High Static Circular Ring Case

Along with its premium RGB fans, Thermaltake also sells reasonably priced light-up fans that might be excellent for aesthetics.

For those seeking a cheap light-up fan, Thermaltake offers the Ring 14 140 mm case fan. A white LED ring is included with this fan as lighting. Despite being a low-cost option, it does not employ a PWM connector.

Fortunately, this static pressure fan still provides a respectable cooling performance. This is mainly because you get a fan speed of up to 1500 RPM, which is very fast but relatively quiet. In contrast to other affordable options, Thermaltake also comes with a 3-year warranty.

Pros

  • Includes LED lighting
  • Budget case fan with static pressure design
  • Great cooling performance for the price

Cons

  • Uses a Molex connector

Kingwin 140mm Silent Fan for Computer Cases

One of the smallest manufacturers of computer cooling devices, including CPU coolers and case fans like the one mentioned in this list, is Kingwin.

The Kingwin CF-014LB 140 mm case fan is the least expensive alternative available, making it a sensible choice for all price-conscious customers. Since this is a cheap fan, the Molex connector is to be anticipated. Fortunately, this ventilation fan still runs relatively quietly.

Since it has a 950 RPM RPM rating, you may anticipate adequate cooling performance, especially for the price. This affordable option from Kingwin also comes with a 1-year warranty, making it rather dependable and robust.

Pros

  • Affordable case cooling fan
  • Decent cooling performance
  • Includes standard warranty

Cons

  • Relies on the Molex connector

What are the Benefits of Having a Good Case Fan?

The power and speed of several computer parts, including RAM, graphics cards, and processors, have improved. The system now produces a significant quantity of heat as a result of this. Such components could not function as well if they are not properly cooled. In an effort to return the temperatures to normal, the motherboard may throttle.

A case fan is essential since it can remove the extra heat from the case. Investing in a quality case fan will let you enjoy your computer’s components for a long time and end up saving you money. Although the 120mm case fan is still available, it is not the best for pushing a lot of air out. By selecting the best case fan, such as the 140mm, the heat may be dissipated more quickly, protecting the internal components.

An excellent case fan with a size of 140mm is recommended if you enjoy video editing, 3D animation, or gaming. These case fans are effective and move a lot of air at low speeds since they have bigger blades. A good case fan will also operate quietly for you.

Things to Consider While Purchasing the Best 140mm Case Fan:

The optimum choice when it comes to cooling performance for either a computer cabinet or CPU is typically thought to be a 140mm case fan. Choosing the best option gets difficult when there are so many possibilities and so little expertise. Here is a comprehensive buying guide for the finest 140mm case fan if you have any questions.

Air Flow

Any 140mm case fan’s primary function is to exhaust warm air to the outside while drawing in cool air from within. The airflow factor also indicates the same. Typically, it is expressed in terms of CFM (cubic feet per minute). In addition to airflow, it offers information on the overall effectiveness and efficiency of the device.

The position of the intake section, the orientation, the exhaust part of the case fan, and the shape of the fan are other subfactors that affect CFM.

The airflow will be better the higher the CFM. In order for the computer components to function more effectively in cold conditions, your computer casing may require the maximum amount of airflow circulation.

Keep in mind that RPM might be high even if CFM is low. Some of the more affordable 140mm case fans feature a higher CFM and lower RPM.

Fan Speed (RPM)

It represents the fan’s rotational speed and is expressed in RPM (revolutions per minute). Higher RPM indicates faster speed and requires less time to lower the case’s temperature, according to the general rule to be taken into account while studying this element.

There are numerous various speed ratings for 140mm case fans, including 1200 RPM, 1500 RPM, and 1800 RPM. Although greater RPM guarantees better cooling effectiveness, it can also produce loud noises, which is another thing to take into account. If you desire a silent PC, you might have to analyze the preferred RPM while taking into account the noise levels.

Power Connection Types

You should comprehend how a 140mm case fan links to the system before making your choice. They often employ a 4-pin connection type, which is simple to attach to a 4-pin motherboard connector. You can still use a 4-pin connector on the motherboard even if the case fan has a 3-pin connection type. When connecting to a 4-pin connector using a 3-pin connection type, just three pins are required.

Other case fans with a Molex connector style are also available on the market. The Molex connector can be directly linked to the power source rather than via a motherboard. Additionally, certain case fans feature 2-pin, 3-pin, and Molex connections.

Noise Levels

You should also consider how loud a 140mm case fan will be before you buy one. The most common unit of measurement for noise levels in decibels (dB). When the fan is spinning at its highest RPM, it will be as loud as indicated by the dB count in the product specifications.

The majority of the 140mm case fans on the market range in volume from 10 to 35 dB. Louder case fans may annoy the user and have an adverse effect. We advise taking into account a model that performed effectively without producing noise.

Bearing Type

There are several bearing options for 140mm case fans, including sleeve, ball, and hydrodynamic. Because it has a self-lubricating function, the hydrodynamic bearing is regarded as the most reliable and long-lasting alternative among these. The least expensive bearings are sleeves. Ball bearings are more durable than sleeve bearings, but they also make more noise.

Size

Case fans come in a variety of sizes, including 80mm, 120mm, 140mm, and 200mm. Among them, 120mm is regarded as the most common size choice. Larger computer case fans, however, are thought to be more effective in terms of airflow and noise levels. As a result, 140mm case fans are quite popular since they offer a good balance of performance, size, and affordability.

Number of Fans

As a computer uses several fans, it may be better to buy them all at once to save money. The majority of the top 140mm case fans are sold in packs of 5. Selecting this kind of alternative might be quite beneficial. The majority of them are simple to install in any type of computer casing.

Fan Lighting

The majority of computer accessories, including case fans, offer a variety of lighting options. Check out the lighting options as well as the case fan if you want to improve the appearance of your PC. While some of them include RGB lighting, others only have single-color LEDs. We advise looking into a case fan with built-in lighting so that it can look nicer.

Fan Speed Control

It’s always useful to have the option to adjust the fan for the best performance. Therefore, we advise looking into a case fan with adjustable settings. The fan speed can also be adjusted to improve performance. And for the best experience, you may also control the noise level.

Power Consumption

It displays how effectively a 140mm case fan operates. It is easier to determine which fan offers more speed at a lower power consumption when you compare the speed and power consumption of various fans. In general, low-speed fans use less energy than high-speed fans.

Low-speed fans do not necessarily consume less electricity, but this is not always the case. Therefore, before making a decision, it is always preferable to check the fan specs and power consumption. Check the size as well to verify if the system can manage this power.

Ventilation

When a system is installed in a space, ventilation is required. Therefore, you need to make sure the case has additional top vents. They allowed air to enter and exit the system while maintaining efficiency.

Many cases come with extra vents since they require extra hardware to cover all the components. We advise looking for a case that allows for optimum airflow.

Quality

At least some noise is produced by each of the 140mm case fans. Additionally, you cannot expect a superior performance by purchasing a low-noise fan. So, if more efficiency and performance, along with lower noise levels, are important considerations, we advise selecting advanced quality produce with expanded characteristics.

A high-end product might have noise reduction features, for instance. Along with that, before making a purchase, you should evaluate the quality of the fan blades. The noise level will decrease as blade quality increases. However, you might need to make some concessions because you can’t purchase low-quality fan blades with a high RPM.

Connector Type

The type of connector should be taken into account next when buying a case fan. The majority of case fans are compatible with the majority of contemporary CPUs and GPUs. However, some situations might not work with the system.

To do it, you must determine whether your system can use any other connector type. A better choice may be made if the case fan is compatible with the CPU. However, under some circumstances, you might be unable to use any case fans with specific connectors.

Fan Aesthetics

For gamers, RGB lighting can be a crucial component. Manufacturers have been including cases with lighting features and aesthetics because of this. To draw in customers, they provide eye-catching design and lighting features. However, you ought to buy a fan that combines good looks with good performance.

Performance

Performance is the main consideration when purchasing any case fan. Utilizing the in- and outgoing airflow, which is measured in terms of CFM (cubic feet per minute) rating, the performance of a 140mm case fan is established. The airflow will be better the higher the CFM rating. Finally, you will experience better performance and lower temperatures.

Warranty

When purchasing a case fan for a significant amount of money, it is crucial to consider the warranty period. Additionally, it is beneficial to have improved services from the manufacturer without having to spend any money. A case fan with a longer warranty period is a good choice. Checking their included warranty is one simple method to make sure of this since computer fans typically come with 2-year, 3-year, or even 6-year warranties, with longer warranties being preferable.

How to Clean 140mm Case Fan?

Cleaning the case fan and its parts on a regular basis will improve its overall performance. The airflow into and out of the case can be controlled by maintaining the case’s fans.

Here are some cleaning methods for a 140mm case fan to think about:

  • In order to securely remove the case fan, you must first turn off the component and make sure the power is turned off.
  • Use a screwdriver to carefully unscrew the case fan at this point. Make sure the motherboard’s power cord is disconnected. In order to avoid any damage or short circuits, try to keep your hands dry.
  • Place the case fan over a table after removing it.
  • Use a blower or dry cloth to remove the dust and other blemishes.
  • Once you can see the revolving spindle, carefully remove the sticker that is located in the center of the case fan.
  • After the sticker has been taken off, you can lubricate or grease the spindle.
  • Achieve the spindle with lubrication, if necessary. You can then properly seal it after that.
  • The case fan must then be screwed back into the case to complete the process.

Frequently Asked Questions:

Is 1000 RPM sufficient for a 140mm case fan?

The rule of thumb to keep in mind while examining a case fan’s RPM is that the greater the RPM, the louder the model will be. Since most case fans operate between 1400 and 1600RPM, 1000RPM is really thought to be rather decent. Less noise indicates non-intensive or recreational PCs.

How do connect the case fan to the power supply?

You might require a PSU with Molex connectors to attach case fans. You can connect the fan directly like a Molex connector or utilize Molex three-pin fan adapters. However, the fan will run at full speed because there will be no choice but to adjust the voltage.

Where can I plug case fans on a motherboard?

Four-pin system fan heads are found on the motherboard, where case fans are connected to them. Depending on the user’s preferences, they can also be plugged into three-pin system fan heads. But you can use one of the two plugging choices if you require more than one case fan.

How to control the case fan speed?

For that, you might need to connect the case fan’s power cord to a three- or four-pin system fan header. The BIOS menu will then let you control the case fan speed. You won’t be able to regulate the speed if the case fans are linked to the power supply unit through Molex.

How to disable LED on a case fan?

This can be done by simply cutting the LED cable and turning off the case fan’s LED. Others have power leads that can be cut, while others of them have jumpers that can be removed. Some case fans have jumpers built in that don’t cut the power lead to the LED.

Is a 140mm case fan better compared to a 120mm?

Cooling is not the only difference between the 120mm and 140mm fans. The noise levels are the primary factor making 140mm superior. Since the 140mm fan is typically bigger, it can deliver respectable airflow at lower RPMs. Due to their tiny size and stronger sound output, smaller fans may run at higher RPMs.

How do overclock case fans?

You can overlock the case fan if it is connected to a three- or four-pin system fan header. You must now enter the case fan settings in the BIOS menu. The bIOS will display the RPM information once the case fan information has been located. Higher RPM values guarantee that the case fan will rotate more quickly.

Conclusion

When purchasing fans for your computer case or CPU coolers, including both air coolers and water cooling radiators, you have a variety of size options available. A 200 mm fan cannot be placed in all computer cases, despite the fact that lesser fan options like 92 mm or 120 mm might not be the most efficient. As a result, the best 140 mm case fans that were previously described are excellent choices for strong cooling performance.

Here are some of our top suggestions for the top 140 mm case fans, taking into account all of these factors:

  • Since the Cooler Master SickleFlow 140 V2 fans are ARGB fans, you may easily alter their color or appearance. With the help of its PWM connector, you may adjust the fan speed between 650 RPM and 1400 RPM. Being a product from a trusted company like Cooler Master, this airflow fan comes with a respectable 2-year warranty as well.
  • The Noctua NF-A14 140 mm case fan performs the best of the options mentioned above, as would be expected given its high price. This fan, while having a PWM connector that allows for speeds of up to 1500 RPM, is still the quietest case mentioned here. Although this fan doesn’t have illumination, you may customize it by switching out the colorful corner panels.

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