7 Best CPU Cooler for Ryzen 9 5900X | Tested by Experts

Top Picks
Noctua NH-D15, Premium CPU Cooler

Noctua NH-D15

Socket Support AM4, LGA1200, LGA1151
Power Connector Type 4-Pin
Speed 1200/1500 RPM
Be Quiet! Dark Rock Pro 4

Dark Rock Pro 4

Socket Support AM4, LGA1200, LGA1151
Speed 1200/1500 RPM Fan Size 135mm
Alphacool Eisbaer LT360

Alphacool Eisbaer LT360

Socket Support AM4, LGA1200, LGA1151
Power Connector Type 3-Pin
Speed 550/1700 RPM
money value

The Ryzen 9 5900X is placed just below the flagship 16-core 5950X and it is the top choice for high-end gaming with high-refresh rates and professional gamers who do not require the performance of the top-of-the-line that the 5950X offers. The specifications for the CPU include the following: 105W TDP, 4.8GHz max boost clock, & a base clock of 3.7Ghz.

These specs are almost similar to those of 3900X and 3900XT and it seems like the 5900X will be a great fit in conjunction with coolers that are able to handle the 3900X. It includes a few low-end air coolers and the largest and most robust air coolers currently available. We’ve also provided a good assortment of AIO systems, which are ranked according to quality, performance, and aesthetics. We’ll take a look.

7 Best CPU Coolers for Ryzen 9 5900X: The Market Top Buys

RankingBest CPU Coolers for Ryzen 9 5900X Reviews
1.Noctua NH-D155 out of 5
2.Dark Rock Pro 45 out of 5
3.Alphacool Eisbaer LT3604 out of 5
4.DeepCool Assassin III4 out of 5
5.Corsair H115i RGB Platinum4 out of 5
6.Noctua NH-C14S4 out of 5
7.ARCTIC Liquid Freezer II 2803 Out of 5

7 Best CPU Coolers for Ryzen 9 5900X | Detailed Review

1. Noctua NH-D15

Noctua NH-D15

1. 5.91 x 6.34 x 6.5 inches
2. Base Height 6.5 inches
3. Weight 2.86 pounds
  • Top Quality NF-A15 140mm Fans
  • Low Noise Adapter Equipped
  • Lacks sTRx4, TR4, & SP3 Support
  • Limitation of 32mm RAM Clearance

Noctua is well-known for its premium PC coolers. They perform as advertised. They have an elite team of engineers who design each model with great care. Noctua NH-D15 is considered to be the best CPU cooler for 9 5900x and one of the most popular coolers made by Noctua.

The high-end design and build quality make it an ideal choice for anyone who loves technology, and it comes with two 140mm fans, which have won awards for performance. The claims of the company are covered by a six-year warranty. No matter if you’re a peaceful PC gamer or a serious overclocker, this cooler is the ideal CPU cooler for Ryzen 9 5900X and is able to efficiently serve the two types of use.

The entire assembly is simple to put together. However, it’s large in terms of size and requires an extra 165mm of clearance over the CPU. The limited height of RAM that can fit underneath the cooler may be improved by adjusting the fan. However, it’s going to affect the efficiency of the cooler.

The premium quality comes with a higher price and could be a major element for many gamers. The beige/brown color scheme is not compatible with the majority of themes that modern gaming machines come with. But, it helps Noctua retain its distinctive image as a brand. Noctua provides their finest thermal compound NT-H1 for the best performance. It has the capacity to accommodate 32mm of memory. At 100% load, the highest volume of noise is 24.6 dB(A).

When the adapter for low-noise (LNA) is installed, the maximum load can be set at 19.2 dB(A). This is the most efficient air cooler to use with the Ryzen 9 5900X. They’ve provided a set of components to make it compatible with the AM4 socket. Noctua makes use of the word NSPR rather than TDP since it can be incorrect. The NSPR for this particular model is at 183W which is sufficient to accommodate the maximum power of 143W that is generated from Ryzen 9 5900X.

2. Dark Rock Pro 4

Dark Rock Pro 4

1. 5.35 x 5.74 x 6.41 inches
2. Base Height 6.41 inches
3. Weight 2.49 pounds
  • 250W Thermal Density Power
  • Copper Coated 7 Heat Pipes
  • Lacks Low Noise Adapter
  • Expensive Pricing

Dark Rock Pro 4 is the CPU cooler that produces 24 decibels of noise when it reaches its maximum fan speed. The company has proven it to be the best choice for efficient performance and silent operation. The seven heat pipes coated with premium copper ensure excellent performance and quality for a lengthy decade.

The cooler for this CPU comes with many features that are worth your investment. We believe that this cooler is best suited for professionals and avid gamers when we look at these characteristics. Some customers were unhappy with its size as it could not accommodate all sizes of cases. Some also complained about the unfinished and poor fan latches. However, this cooler is outstanding in a variety of ways.

The CPU cooler is supported by a number of positive reviews received by the majority of gamers and professionals. It is also the ideal choice for those looking for a long-lasting and robust cooler for their computer employed under heavy load. According to the user’s reports, the cooler maintains the same temperature as the CPU through continuous fan speed.

In the end, the best CPU cooler is sure to provide you with a dazzling and satisfying user experience and is the most efficient processor CPU cooler for Ryzen 9 5900X. It is loaded with features that deliver top performance that will make your build the most attractive and appealing. Additionally, it comes with fan fins that are dotted and copper-coated pipes to ensure healthful and healthy airflow.

3. Alphacool Eisbaer LT360

Alphacool Eisbaer LT360

1. 3.94 x 3.94 x 3.94 inches
2. Base Height 3.94 inches
3. Weight 2.20 pounds
  • Simple 100% Copper-Coated Design
  • Large Radiator Capacity
  • Lacks Double Bearing Fans Design
  • Low Average Life Span

Alphacool Eisbaer LT360 has an exceptionally high capacity to remove heat. TDP is a limitation for air-based coolers however liquid cooling is remarkably efficient for the Ryzen 9 5900X. We chose this AIO solution due to it being the top 360mm AIO for the Ryzen 9 5900X. 5900X Overclock utilizes this kit for testing the CPU limits. In this cooling kit, you are able to easily get to the highest frequency of 4.8GHz. A few users have reported that it is reaching the 5GHz threshold.

A few users have complained that the loop is stuffed with air, which may need venting and the filling of liquid. The tubes are equipped with connectors and the indication of red or blue to differentiate temperature. However, they do not appear to be compatible with all models, and they are just rubber that is wrapped on the connector and can be easily removed.

Because the loop isn’t fully sealed, it could result in new users being not aware of the venting methods. Overall, the radiator’s capacity is sufficient to handle the fastest CPUs. For the more experienced users, the quick-connect coupling can be an absolute blessing. The pump operates very quietly in fact, even when it is running at 2600 RPM appears to make an only barely audible sound. The water block’s tubing is pushed out from the sides making it much more manageable because the joint can be moved.

The entire heat exchange material is composed of copper. We have a good idea that the material that conducts current efficiently is also able to conduct heat. The value-for-money that Alphacool provides for the AIO option is the main selling feature as the best CPU cooler for Ryzen 9 5900x.

4. DeepCool Assassin III

DeepCool Assassin III

1. 6.34 x 5.51 x 6.5 inches
2. Base Height 6.50 inches
3. Weight 3.23 pounds
  • Thermal Paste & Spreader Equipped
  • 280W Thermal Density Power
  • Big and Large Fan Size Issues 
  • Lacks RGB Lighting

DeepCool Assassin 3 is the ideal solution for those looking for an efficient heat eliminator. It comes with a capacity of 280W for a TDP. It is equipped with a new thermal module design that’s well-equipped with seven top-of-the-line thermal pipes and two powerful fans. This outstanding CPU cooler is able to take on any challenge that comes from top-quality air coolers.

It can deliver amazing performance and outshine competitors even in the midst of a heavy load. It has a more efficient and enhanced mounting system with a convex copper base that is exquisitely polished within the 0.1mm class. It’s 138mm wide which means it won’t interfere with the GPU and provides wide compatibility to all forms of motherboards.

It is also just 165mm tall, so it can fit in any mid or full tower case comfortably. The unit is quiet and has high-quality performance. Some buyers have reported that the unit is loud when the fan is operating at maximum speed. Many users have complained about the lack of RGB features since it is a favorite for a lot of customers.

Overall, the device is simple to set up as long as it’s suitable for your particular case. It’s massive in terms of size and requires adequate airflow in order to improve the performance of your gaming system and other tasks. We suggest that you test this cooler as it is rated as the best CPU cooler for Ryzen 9 5900X.

We Belive you are a Gaming Enthusiast, You Might like Best CPU Cooler for Ryzen 9 5950x

5.  Corsair H115i RGB Platinum

Corsair H115i RGB Platinum

1. 12.5 x 5.50 x 1.19 inches
2. Base Height 1.19 inches
3. Weight 2.16 pounds
  • Thinner Radiator with Small Chassis
  • Triple  PWM Dynamic Fans
  • Lacks Motherboard RGB Syncing
  • Not Up-To-Date iCUE software

Corsair has earned a reputation in the industry for its high-end products. This is the reason why this AIO solution is on our top coolers for the list of 5900X. Corsair H115i RGB Platinum is a 280mm radiator cooler kit featuring two fans that are made by magnetic levitation technology. It provides very low resistance and operates at a low-power level.

The fans come with four LEDs that are ultra-bright and mounted on hubs, along with 16 adjustable RGB lights of the RGB pump. The pump is able to operate from 400 and 2000 RPM depending on the heat load of the processor. While it’s a top-quality item, however, there were some design-related issues that you can face while assembling. The tubing is brittle, and manipulating the tubing may cause it to be bent and hinder the flow of liquid.

The brackets have to be adjusted to accommodate the AM4 socket, as the default settings are set to Intel CPUs. Brand royalty costs make this one of the most expensive choices on our list. When the pump is operating at its maximum RPM it can produce a small amount of a roar. RGB is not compatible with any motherboard with onboard software.

We think this is the top Corsair cooling system for the CPU Ryzen 9 5900X. The radiator’s fans operate very silently, and the CPU brackets allow Thread Ripper Mounting. In extreme overclocking, this AIO solution ensured that the Ryzen 9 5900X was below the mark of 80 degrees Celsius. The overall quality of the product is clean and neat. Five years of warranty is an ample length of time to warrant a device that has large moving components and intricate functionality. The size of the water block is compact enough to give adequate RAM clearance.

6. Noctua NH-C14S

Noctua NH-C14S

1. 4.53 x 5.51 x 6.42 inches
2. Base Height 6.42 inches
3. Weight 2.24 pounds
  • Low Noise Adapter Equipped
  • 70mm RAM Clearance
  • Lacks Retention Module Installation
  • Lacks RGB Lighting

The Noctua NH-C14S is an elite class CPU cooler that succeeds the award-winning NH C14. It is extremely adaptable, quick, and incredibly adjustable. It has a large fin stack and a well-known NH-C14S PWM fan. Although it is more flexible, these are the best fans for a CPU cooler with the same silent cooling capabilities as its dual fan predecessor.

Alongside the fan mounted over the fins, the cooler also offers the ability to work with modules for RAM that measure 70mm. In contrast, the fan underneath the fins can be installed in a variety of HTPC cases with 115mm of height for the cooler. In addition, the most recent offset layout makes it clear the PCIe top slot on a lot of ATX and Micro-ATX motherboards.

The Noctua is a premium brand that provides greater airflow & meets the highest expectations of customers. It’s the name that provides what it promises. Furthermore, Noctua never compromises quality and performance and offers high-end goods.

But, there were some who expressed displeasure about the cost. However, others suggested that you should get the quality you pay for. It is recommended to invest to purchase a top-quality item and will last in the coming years. It is, however, practical to use the same product on AMD & Intel. It comes with a top-quality heatsink and comes with a lovely thermal paste tube. Overall, the performance of the unit is unbeatable and produces top-quality results.

7. ARCTIC Liquid Freezer II 280

ARCTIC Liquid Freezer II 280

1. 13.27 x 9.57 x 6.81 inches
2. Base Height 6.81 inches
3. Weight 4.58 pounds
  • Fiber-reinforced EPDM Tubing
  • 800/1700 RPM Fan Speed
  • Lacks Anti-Vibration Paddings
  • No Long Fan Cables

The final cooler on our list comes out of the Arctic, and we have been familiar with the products that they offered, and we can tell you that they’re really excellent when it comes to how great its products can be and that is the case with the cooler we’re viewing at the moment.

The cooler we are talking about is actually the ARCTIC Liquid Freezer II 280, and honestly, we are happy to have this cooler on our list for the quality of its performance in addition to the other aspects. If you’re looking for a cooler with the excellent performance it is this cooler that you must pick for yourself as you won’t be disappointed.

The most appealing thing about this particular cooler is its excellent performance. The key to their performance is because if the cooler is not performing at the level we expect it to be able to, it’s basically an expense, and we would avoid it.

The Arctic is a bit of research into the method they’ve created for the pump since it is equipped with an additional air conditioner, and in all honesty, we are amazed to see it on this page however the most important thing is that it is efficient, and that is what is important in this case the most.

The general level of noise can be on the high side of things and If you’re looking for the quietest CPU Cooler, this may not be the best option for you. Last but not least this is among the most affordable coolers on the market which means you have an advantage in terms of budget-friendly categories.

Factors to Keep in Mind Before Buying

CPU Cooler for Ryzen 9 5900X


The CPU coolers you buy are not all the same. They come in diverse dimensions and designs. There are many types of coolers that are available. The most popular are the air and liquid ones. Based on their names, they function by using air and liquid in order to chill your whole build. They each have their own specifications and performances. The CPU coolers are able to provide users with numerous benefits. Therefore, prior to making a purchase, it is important to consider which one is the most suitable for your needs.


The most important thing is the size of the socket on your CPU. If the cooler you are using does not fit your socket size then you’ll have a non-functional CPU cooler. Many coolers are pre-packaged kits that can be used on all sockets available. The sockets that are currently most commonly used are AM4 LGA1200 and LGA1151. This list will help you choose the most suitable and best cooler for Ryzen 9 5900X. We have already confirmed the coolers we selected have been tested & are AM4 compatible.


Another thing to think about at all times should be your spending limit. As we’ve mentioned before it is possible to get a high-quality device without spending a large amount. We advise you to not pay more than you require. In this regard, you should be sure to only look at CPU coolers that fit with your spending budget.


Dimensions may be the most crucial thing to consider on our list. If you choose the wrong size, it could result in a disaster. Motherboards are available in various dimensions and forms and shapes. So if the air-based cooler you have is huge, it might block the DIMM slot or even a couple slots for RAM. A larger air-based cooler could affect your PC’s side panel. For liquid-based coolers, you must be sure to match the radiator dimensions to the chassis. Some chassis do not support large radiators. Check the above before purchasing the top cooler for your Ryzen 9 5900X.

It is important to consider the dimensions of the CPU cabinet, especially in gaming rigs since they usually run hot. Therefore, if you want a small form factor CPU with absolute beast performance you will need a Best 140mm case fan since this size of fan spins at very high speeds.

Thermal Design Power 

Your CPU’s thermal power is an important aspect to consider. The model of your processor is typically an instrument used to determine in watts the amount of heat and energy it can produce. For CPUs that produce higher temperatures, you might require a more powerful CPU cooler.


Q1. Are air coolers or liquid coolers better?

They could be almost identical in terms of performance. Much of it will depend on your particular situation in comparison to other people who are displaying the coolers. Different conditions like the temperature of the room and the way someone perceives the type of cooler they are using can have an impact.

Q2. Is there a cooler included with the Ryzen 9 5900X?

Ryzen 9 5900X does not come with a cooler that is bundled as it’s an overclockable CPU. The coolers that are bundled have limited power of removal and can cause the CPU to fail when they are overclocked. We suggest the Noctua NHC14S to those looking for small-sized high-end solutions for cooling.

Q3. Does the Ryzen 9 5900X require liquid cooling?

Simply put, you can say that the Ryzen 9 5900X is a very hot CPU, however, it doesn’t mean you’ll be able to cool it with a liquid cooling system. It is possible to cool things by using an air cooler, too. Thus, the air cooler will be able to cool down the Ryzen 9 5900X.

Q4. Can any of these perfectly fit the motherboard & CPU combination?

All of the CPU coolers on this list can be used in a variety of combinations. This includes motherboards paired to the Ryzen 9 5900X. But, this is just the beginning. There are a lot of combinations. They will not work with every single one as would be expected. The positive side is that if the specific CPU and motherboard configuration is available on the website of the manufacturer, it’s a great starting point. Continue to research it until you are sure.

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