Top 10 Best 140mm Case Fans – A Complete Guide

System heat is probably the most common issue that irritates during working on your PC. If you own a small PC for day to day tasking, heat could be a challenge to get through the work. Heat also interrupts the processing or streaming of software or apps on the PC.

If due to excessive heat, you were facing the same dilemma of micro stutters and frequent non-responsiveness of applications, you can get help from this article. Don’t worry anymore!

The only solution to this system built heat is the use of a cooling case fan either 120mm or 140mm, this will help significantly.

The article below will answer all your queries regarding the best 140mm case fans, their features, good and bad points, a detailed buying guide, and on the last, answers to some frequently asked questions for your ease.

The overall best 140mm cooling fan for CPU is Noctua NF-A14 PWM Premium Fan that comes in square fan design and is offering automatic speed control through the 4-pin PWM fan headers working on 300 to 1500 rpm speed which means you don’t need to keep a balance between temperature and fan’s speed. It’s enough for doing all the work on its own.

Without any further ado, let’s get started.

Best 140mm Case Fans

Let’s take a look at all the 140mm case fans in the comparison chart below for quick decision.

SR#NameImageCheck Price
1.Noctua NF-A14 PWM Premium FanMB169B Check Price
2.ARCTIC F14 Silent Case FanMB169B Check Price
3.Corsair LL Series LL140 RGB FanMB169B Check Price
4.Cooler Master MasterFan Pro 140 RGB FanMB169B Check Price
5.Thermaltake Riing Plus 14 Case FanMB169B Check Price
6.upHere RGB Series Case FanMB169B Check Price
7.Thermaltake Ring 14 Circular CaseMB169B Check Price
8.Be Quiet BL040 Pure Wings 2 FanMB169B Check Price
9.Corsair Air Series AF140 LED FanMB169B Check Price
10.Kingwin 140mm CF-014LB Silent FanMB169B Check Price

1. Noctua NF-A14 PWM Premium Fan

The Noctua NF-A14 is an exceptional 140mm case fan treats the heat like a breeze and this is why this has made to be on the top of our list for today. Let’s see what it is offering for the ultimate relief from the excessive heat.

best 140mm case fans


The Noctua NF-A14 comes with extremely optimized 140mm fans with PWM functionality and low noise adaptors working at 12V only while producing only 24.6dBA noises for mechanized speed control.

This offers a futuristic square frame design that makes it best suitable for not only PC’s but also for many other chassis. This award-winning fan, with the Flow acceleration channels and Advanced Acoustic optimization, assures champion cooling execution.

Another quality feature of this fan is its automatic speed control through the 4-pin PWM fan headers working on 300 to 1500 rpm speed which means you don’t need to keep a balance between temperature and fan’s speed.Want a modern pc build ? try Nas Cases for CPU


Your CPU is heating but no worries when you own the Noctua NF-A14 140mm case fan. It’s exclusively designed for offering great heat reduction by automatic speed controlling facility.
  • PWM support
  • Low noise adaptors
  • Automatic speed control
  • Maximum heat dissipation
  • No lighting

2. ARCTIC F14 Silent Case Fan

Like the previous one in our list, this ARCTIC F14 is also a square frame fan design that can let you completely forget about the system heat. It is offering great efficiency yet a low noise operation every time.

ARCTIC F14 Silent Case Fan


ARCTIC F14 doesn’t produce much noise even when working with higher airflow. The fan features a new alloy and lubricant combination that plays an important role in low noise operations.

The blades are designed under expert supervision to improve the airflow for efficient ventilation.

It is versatile too, as it offers an innovative two-way installation design that facilitates the flow of warm air outside while the cool air inside the case for better heat dissipation.

The fan is capable of working at 800 rpm and a noise level of only 0.08sone to give an ultimate relaxation from the heat disturbances.

Durability adds more worth to any product and this fan comes with dynamic bearing with the capability of avoiding lubricant leakage giving more life to the fan.Are you building pc with ryzen ? try best ram for Ryzen 2600x


ARCTIC F14 is worth having as it’s a high-efficient and low-noise cooling fan with the longer service years. Your search for the best 140mm case fan can get a stop here.
  • High efficient
  • Lowest noise levels
  • Longer durability
  • Two-way installation


  • None really

3. Corsair LL Series LL140 RGB Fan

If you love something extra and something more vibrant than normal, this LL140 RGB cooling fan by Corsair is the right choice for you with an exception of colorful look along with the quality performance.

Corsair LL Series LL140 RGB Fan


Vibrant colors make this Corsair LL140 RGB cooling fan eye-catching as it comes with 16 independent RGB lights in every fan. It looks impressive and works great too. The fan works at 51.5 CFM airflow and a noise level of 25.0 dBA ensuring a low noise yet efficient operation.

This fan also supports PWM that allows the automatic dynamic adjustments of speed between the ranges of 600 to 1300 rpm that facilitate the low-noise operation with the maximum airflow.

This fan will not only provide you with great heat dissipation through its PWM automatic speed control system but also ensures to re-energize you with vibrant RGB colors every time you work with your machine either a PC or desktop.Check Best Graphics Cards For 1080p 144Hz


This Corsair LL140 RGB cooling fan works exceptionally great like other top picks in our today’s article but favors a little more by adding vibrant colors to the design. It’s a sure choice for every lively and energetic soul out there.
  • 16 independent RGB lights
  • Durable and reliable
  • Supports PWM
  • Expensive

4. Cooler Master MasterFan Pro 140 RGB Fan

Another illuminating and bright cooling fan in our today’s list of the best case fan. This MasterFan Pro 140 by Cooler Master is offering a great heat dissipation system along with the eye-catching RGB illuminating design.

Cooler Master MasterFan Pro 140 RGB Fan


MasterFan Pro 140 by Cooler Master is a complete set of 3 RGB fans that produce beautiful visuals while operating and an RGB LED controller.

The RGB isn’t that complicated to set up as it is compatible with most of the RGB capable motherboards. Also, it requires an RGB control box or RGB header to set up the perfect energy sourcing RGB on the desk.

For greater user reliability, it also features a very low noise operation that won’t disturb the functionality or streaming on your PC.

The fan’s blades of this MasterFan Pro 140 are designed by keeping in mind the design of helicopters and jet engines to enhance efficient airflow as well as air pressure.


It operates silently and the fans are smart enough to offer a jam-free design along with great RGB compilation. It’s a great pick for all the enthusiast PC users.
  • Premium airflow
  • Ultra-quiet fans
  • Jam-free deign
  • Affordable yet efficient
  • Not so durable

5. Thermaltake Riing Plus 14 Case Fan

Thermaltake Riing Plus 14 cooler is designed to perfection for providing maximum heat dissipation at low noise. It ensures the incredible performance of CPU when the system is producing extra heat due to longer use or heavy workload.

Thermaltake Riing Plus 14 Case Fan


This cooler is equipped with a smart fan controller that can automatically shift between 12 solid colors controlled separately for super RGB control.  The fan is offering ergonomic design with 9 blades furnished with low-noise hydraulic bearings that keep the full control over the process.

This fan can also be controlled via patented Riing Plus RGB software to get your hands over full control and full customization.

Also, the link of the fan is capable of attaching to up to 16 controllers that means about 80 fans offering premium versatility and high-range working efficiency.Read High Speed Scanners Reviews

The design is highly ergonomic and about 80% of the design is covered with rubber to ensure the least possible noise is produced during the cooling process.


With all its explained features including software control, high efficiency, and low noise operation, it is, with no doubt, one of the best 140mm CPU cooler for your heating PC.
  • Patented app control
  • Silent operation
  • 9 blades design
  • Hot spots
  • Poor software controls

6. upHere RGB Series Case Fan

It’s always cool to have a cooling fan that illuminates your room with the perfect RGB lights especially when you can control the lightening effects. This one by upHere is also an RGB case fan providing premium performance along with the enchanting looks.

upHere RGB Series Case Fan


This upHere RGB series case fan is packed with unlimited color transformations so you can set the lighting according to your mood. And also, changing the RGB color is also super easy and super convenient.

This fan assures great heat dissipation by ensuring high airflow and ultimately, large scale cooling to keep your PC always in a cool state dealing with all the workload.

The rubber pads on the ergonomic design absorb vibrations and hence, ensure low noise operations. The design offers a 6-pin interface that provides a safe power output while letting the light roam around bluntly.Read Edifier R2000DB Review


Not every good looking product is good-performing too but this upHere RGB series case fan is. It is offering great RGB compilation with full control as well as exclusively heat-dissipating low noise operation.
  • Convenient remote control
  • Low noise operation
  • 6 pin interface
  • Motherboard control not available

7. Thermaltake Ring 14 Circular Case

Another option by Thermaltake, this Ring 14 circular ring case cooler comes with a high-built design with premium cuts that give it a luxurious and expensive look. This charming circular ring case is providing great thermal improvement about 40% better than its competitors.

Thermaltake Ring 14 Circular Case


This Ring 14 circular ring case cooler is offering great heat dissipation due to the 3 ring radiator fan design that works finely to deliver almost 40% better cooling performance than its competitors.

It offers an airflow of 51.15 CFM and works only at 24.1 dBA which is even lower than many well-known low-noise cooling fans.

The design is quite ergonomic to make sure that the airflow is right enough to reduce maximum possible heat.

The list doesn’t end here, the fan can create a compression effect and blocks the pressure from escaping and thus, creates a fine balance between power and sound to make sure the system doesn’t sound loud.


If you tend to perform heavy working on your PC for the whole day long, this cooling fan can seek out the riddles for you and you won’t ever be annoyed by the excessive heat.
  • Exclusively quiet fan
  • 40% better performance
  • Looks good and performs well
  • Not a PWM fan

8. Be Quiet BL040 Pure Wings 2 Fan

As the name is also indicating, for a basic design that doesn’t feature any lush options, but also doesn’t compromise on performance and low-noise operation, it’s an efficient cooling fan by BE Quiet.

Be Quiet BL040 Pure Wings 2 Fan


Our list for today’s article comprising of the top 140mm case fan for heat control is coming to an end but there are still some nice options that deserve inclusion. This Be Quiet BL040 cooling fan features a quite ergonomic and sturdy design that can survive through any pressure working.

It comes with 9 fan blades that optimize the airflow and ultimately reduce the turbulence which is the root cause of generating annoying noises.

The fan is designed to provide longer durability and this is why it features long-running rifle-bearing.

Usually, fans are low-noise at normal speeds but become noisy at maximum speed. This fan is a pro in this regard, even at full speed, it produces only 19.8 dBA of sound.

Also, it is PWM supportive, and thus, the speed of the fan is controlled by the motherboard.


If you hate noises but your workload usually demands the fan to work at full speed and you cannot withstand the stumbling sound, this fan by Be Quite is the ultimate best choice for you.
  • Lowest possible noises
  • Sturdy design
  • Pressure resistant
  • Supports PWM
  • None

9. Corsair Air Series AF140 LED Fan

The Corsair AF140 Air Series Fan is the best choice for gamers or for those who deal with heavy applications. It can help you to squeeze out maximum performance from your PC. It’s also featuring LED illumination along with the phenomenal performance.

Corsair Air Series AF140 LED Fan


This fan has won many hearts by providing the best and silent performance along with the LED illumination attraction.

Corsair is a famous brand for quality, reliability, and performance. The AF140 Case Fan by Corsair is offering premium thermal management along with eye-catching illumination while operating.

It looks good and also works well while offering the silent possible operation at 25.5 dBA. Adding on, it works at 66.4 CFM that is enough to keep your PC super cool even when handling a heavy workload.

This fan is performing best even in unrestricted areas having minimally 3cm of clearance and also, they can be mounted as exhaust fans on the rear or top of the PC’s motherboard, CPU, or other heat-producing components.


Concluding the story, this Corsair case fan is the best for any system-heat related need. It marks fully in terms of performance, illumination, attraction, and low-noise operation.
  • Low sound output
  • Superb cooling performance
  • Features LED lighting
  • Improved airflow
  • LEDs are not very bright
  • The power cords are very limiting

10. Kingwin 140mm CF-014LB Silent Fan

The last one in our today’s list of top case fan is Kingwin CF-014LB which is no less than in performance or quality and is also offering low noise operations. Let’s see what this case fan has to offer.

Kingwin 140mm CF-014LB Silent Fan


This Kingwin CF-014LB is offering a compact and space-saving footprint of 140 x 140 x 25 mm long life bearing to provide you with longer durability. By deciding on this case fan, you can rest assured that your PC won’t shut down or lag due to over-heating.

The fan works at 58 CFM airflow that is good enough to cope with the system heat. Also, the design is a premium choice for low noise operations as it works only at 23.0 dBA sound output.

The blades of the fan are designed to ensure maximum airflow to provide excellent ventilation for the PC cases so you can rest assured of high PC performance.

The service hours are also exceptionally great as it is designed for providing 100,000hrs life expectancy along with high performance, high durability, and high reliability.


If you were looking to cool down your PC with low noise cooler fan, considering Kingwin CF-014LB can benefit you a lot. It comes with excellent features to precisely control everything making it another best CPU cooler to be included in our today’s list of 140mm case fans.
  • Compact and efficient
  • Improved airflow
  • Low noise operating
  • Long life expectancy
  • None apparently

Best 140mm Case Fans Buying Guide :

Choosing on a good-quality and high performing case fan will allow you to just relax in the long run. Unfortunately, not all of the available options in the market are sufficient enough to provide great reliability. This is why here’s a buying guide so you can decide by knowing all the facts and figures.


Size matters a lot especially if you have to deal with heavy workloads daily. The larger the fan will assure more airflow to cope with the heat whereas the small wouldn’t be enough for larger setups. A small case fan of about 80mm is good for regular PC users while the heavy-working PCs will demand larger ones.


The noise is measured in decibels (dB). Ideally, you should go for a fan offering up to 25 to 28 dBA noise output which is normal and not so loud whereas if you want ultimate silence, there are fans available in the market and our list too, that are offering as low as 19dbA sound output even at maximum speed.


The case fans work by expelling warm air outside and move cool air inside, this is what we call airflow. It’s measured in CFM (Cubic Feet per Minute). Choose on the fan that is offering the highest possible CFM as it describes the higher airflow and ultimately fine cooling.

Answers to some commonly asked Questions :

Are 120mm or 140mm fans better?

Usually, both are best accordingly. It’s just science. 120mm fan is smaller and features high CFM as it throws air through a small area with speed and you feel it more. The 140mm fans are larger and push more air through a larger area than doesn’t feel much.

What is a good RPM for a case fan?

RPM or revolutions per minute describes the speed of the fan and speed ultimately is responsible for the sound production. Usually, the inaudible or quiet fans offer and RPM under 1000 rpm. Some other fans may produce somewhat closer to 1000RPM and still be manageable or compatible.

But the fans that offer close to or up to 2000 rpm are loud or you can say too loud to bear.

What are the best case fans?

Any case fan that is providing higher airflow, now noise levels and easy installation are said to be or accepted to be the best case fans. For instance, all the 10 top best 140mm case fans mentioned in this article are worth considering and worth buying.

What is the quietest 140mm case fan?

Usually, fans are quiet at low speeds nut when the system demands high-speed performance, they become louder. And the manufacturers usually mention the noise levels at regular speed. So, the one that is the quietest 140mm case fan, is Be Quiet BL040 Pure Wings 2 Fan which produces sounds at only 19.8 dBA when working at the full speed.

What is the best 120mm case fan?

Any case fan that is providing higher airflow, lowest RPM, low noise levels, and easy installation are said to be or accepted to be the best case fans. For instance, all the 10 top 140mm case fans mentioned in this article are worth considering and worth buying. More added bucks define more reliability. Many viable options in the market are offering much more extra like LED illumination, RGB lighting, and much more to give you a cool and energetic vibe every time you use your PC.

Are Be quiet fans good?

As the name is also indicating, the Be Quiet is the manufacturer of highly silent fans in the market without compromising on the quality of performance and reliability. This is why these fans are thought to be best for those who cannot withstand any noise around and for office and organizational setups where noises disturb a lot.

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