6 Best AM3+ CPU Coolers

A CPU cooler is an important part of a computer, especially if it’s an overclocked one. The difference between a high quality CPU cooler and a cheap one can be significant, especially when it comes to overclocking. This article will look at some of the best AM3+ CPU coolers that are available in the market.

6 Best AM3+ CPU Coolers Reviews

Scythe Mugen 5
Scythe Mugen 5 (Image credit: Amazon)

Scythe Mugen 5

+Excellent cooling performance+Low noise+Very quiet+Great cooling capacity
The fan is not compatible with the previous versions of the Mugen series.

The Scythe Mugen series includes both fans and CPU coolers, with three different fan models and five different cooling systems. The Kaze Flex series has a high-quality, silent, push-pull 120mm PWM fan, so you don’t need to worry about noise at all. The HPMS II mounting system allows the cooler to be mounted into most modern computer cases. It doesn’t matter whether it’s ATX or microATX, or the motherboard type is LGA1151 or LGA2066, or if the motherboard uses a 4-pin or 8-pin EPS connector.

The Scythe Mugen 5 Rev.B CPU Cooler combines innovative fan technology and superior cooling performance for premium PCs. With 3 years of development and testing, this CPU cooler has passed all industry standards for reliability and performance. It is built from top quality materials and will offer excellent performance and stability for years to come. High-performance copper base, 6 heat pipes, and a smooth copper base ensure superior performance.

The Kaze Flex PWM fan offers improved performance ramp up to 1200 RPM which has been specially designed for use on CPU coolers, provides superior cooling performance for mainstream, gaming PC, even overclocking with high TDP processor(9900k, 9700k, 9600k,3700x).

The fan offers a quiet, flexible, and high airflow. This new fan design from Scythe features a patented dynamic thermal pad with an asymmetric shape that allows more air flow than any other fan. It supports a maximum airflow rate of up to 40CFM and its unique blade shape reduces noise levels by 30dB in comparison with conventional fans. It also features a low resistance impeller for more consistent performance and a large area for a greater contact area with the heatsink.

Achieve maximum cooling capacity in a smaller footprint with this powerful cooler. It utilizes an advanced fin-based heat pipe design to provide maximum heat dissipation at lower operating temperatures. The Mugen 5 cooler features six 4mm thick, nickel-plated aluminum fins, which are all tightly stacked, providing up to 10% more surface area than traditional fin designs for better heat dissipation. The Mugen 5 cooler also uses a patented double-layered baseplate and a high-performance 92mm Kaze Flex fan to deliver exceptional heat dissipation and quiet operation.

Noctua NH-L9x65
Noctua NH-L9x65 (Image credit: Amazon)

Noctua NH-L9x65

+Very small and compact+Low noise+Very quiet+Great cooling performance
No mounting holes on the backplate

The Noctua NH-L9x65 low-profile heatsink offers great performance for CPU cooling at a very small size. It included NT-H1 high-performance thermal compound and NF-A9x14 fan ensure silent cooling and outstanding performance in any CPU configuration. The Noctua NH-L9x65 is compatible with the latest Intel and AMD platform, including LGA115x/1155, LGA17xx, LGA2066, AM4 and AM3+ processors.

It is a high-quality, low-profile cooling solution for the AMD Threadripper, Ryzen, Ryzen 3 and Ryzen 5 CPUs. With a slim 92mm radiator (included in the box), it offers very good cooling performance while still being very small and portable.

The L9x65 is also equipped with a silent and powerful 92mm NF-A9x14 PWM fan, as well as a low-noise adaptor. In addition to these two major components, the L9x65 has four thermal pads to provide reliable thermal contact between the cooler and your motherboard. This is Noctua’s latest low profile cooler, designed with quiet operation in mind. The NH-L9x65 supports CPUs with TDP as low as 15W like Intel Core i3-8100/i3-8350K or AMD Ryzen 5 1500X.

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The compact design does not overhang the memory slots or other components. So it is a perfect solution for mini PC cases. The NH-L9x65 features two included fans and NT-H1 thermal compound, which ensure outstanding performance, even under full load. It has a sleek compact design with low-profile fans for virtually all desktop PC layouts. The NH-L9x65 supports current LGA1151, 1155, 1156 and 1157 motherboards and LGA2066 and AM4 and AM5 processors. The NH-L9x65 uses a dual slot-in cooler design which fits on the motherboard directly, without the need of mounting it on an additional bracket.

The Noctua NH-L9x65 premium low-profile CPU cooler combines high performance and compactness in one small product. The NF-A9x14 fan pushes out up to 35 dBA of noise at low speeds but can also operate quietly down to 0 dBA at higher airflow settings. In addition, it offers great compatibility, as all required mounts are located on top of the cooler.

Scythe Fuma 2
Scythe Fuma 2 (Image credit: Amazon)

Scythe Fuma 2

+Quiet and low noise+High performance+Compact design+High quality+Easy installation
Short lifespan

If you want to build a new computer, but the budget is limited and you do not want to make compromises. Then this cooler is what you need! FUMA2 will be your choice if you want the highest cooling capacity at an affordable price. The cooler can cool all kinds of CPUs like Intel and AMD. With an average temperature around 35 degrees Celsius, it is able to reach up to 80 degrees Celsius.

Killer has been always a popular name in the hardware world, but they were never considered a budget brand until the Fuma line, that was released by Scythe in 2014. They are still being released yearly since then, each one slightly improving upon the last. The current generation, the Fuma 2, features a number of improvements over its predecessor. The Fuma 2 comes with six new cooling fans that rotate at speeds up to 1600 RPM. Additionally, there are three heat pipes that transfer heat away from the die area and onto the fins, which make a big difference in performance as opposed to other air coolers that don’t have this feature.

The Kaze Fuma2 is a dual tower unit designed for the best performance cooling solution for Ryzen and Intel CPUs. The compact size lets you place it where you need without disturbing surrounding components and gives you optimal airflow for cooling. The Fuma2 will provide high quality performance and stable operation for your gaming machine. 13% better in performance to noise ratio, FUMA2 has reached itself to next level. Dual heatsinks and fans accelerate and enhance heat dissipation for top-tier performance. 6 x 6mm heatpipes and copper plate base ensure heat from CPU and drop temps.

This fan uses 6mm diameter Kaze flexible bearing and it supports most of Intel’s socket 1151/1155/1156, 1155, 1160, LGA 1155/1156, and LGA 1156/1155 processors. The fan comes with 6 pin power connector, and is powered through an 80mm PWM fan connector on your motherboard. Flexible bearing and anti-vibration mechanism help ensure long life for the fan and smooth rotations to maximize performance.

Noctua NH-U9S Black
Noctua NH-U9S Black (Image credit: Amazon)

Noctua NH-U9S Black

+Low noise performance+Low vibration+Excellent compatibility with Intel 7th and 8th generation CPUs and AMD Ryzen processors+High durability
Needs a good fan to be quiet

Our latest thermal solution provides outstanding thermal performance and the best compatibility with Intel 7th generation CPUs. We also provide the best compatibility with Intel 8th generation and AMD Ryzen processors. The Noctua NH-U9S has a wide range of application fields and it can be used for various tasks such as gaming, office work, etc. The Noctua NH-U9S (model A) is an award-winning premium heatsink for the Intel Skylake X series processors. It offers excellent cooling performance and low noise operation. The model A has been a strong performer among Noctua heatsinks since its launch. The Noctua NH-U9S was awarded “Best Budget CPU Heatsink” in 2016, and “Product of the Year 2016” by Hardware Canucks.

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Proven premium heatsink (more than 100 awards and recommendations from international hardware websites), now available in an all-black design that goes great with many colour schemes and RGB LEDs. Compact 92mm size for excellent case, RAM and PCIe compatibility: fits most tower cases (125mm height), doesn’t overhang the RAM slots, and doesn’t block the PCIe even on ITX motherboards.

Renowned, award-winning NF-A9 92mm fan with Low-Noise Adaptor and PWM for automatic speed control: full cooling performance under load, whisper quiet at idle. In addition, the NH-U9S includes the all-new NT-H1 thermal paste, the NT-H1 Low-Noise Adaptor and the SecuFirm2 mounting system.

Proven premium heatsink (more than 100 awards and recommendations from international hardware websites), now available in an all-black design that goes great with many colour schemes and RGB LEDs.
Premium aluminum fin array and copper base plate ensure superior heat transfer and low temperatures. Efficient NF-A9 92mm fan with low noise performance, low vibration, and high durability.

The top-to-bottom airflow design maximizes the airflow while minimizing turbulence. Special high-performance thermal pads for best compatibility. SecuFirm2 mounting system (patented SecuFirm technology) allows secure mounting on both Intel LGA115x/1156/1155/1150 and AMD AM4/AM5 platforms. Comes with 6-year warranty for worry-free and durable performance.

DEEP COOL Assassin III (Image credit: Amazon)


+Excellent cooling performance+7 heat pipes+Quiet operation+Can be used with a variety of CPUs and GPUs
May not fit some cases

The Cooler Master Deep Cool Assassin II is a 280W Thermal solution which can keep all types of CPUs and GPU at their optimal temperatures. The Deep Cool Assassin II has been redesigned from the original version with the same innovative cooling concept. This revised version incorporates more powerful cooling components with a better heat dissipation system which improves its overall performance while reducing noise and power consumption.

The main feature is the new double-layer fan blades and the improved heat spreader, which increases the performance of the new Deep Cool Assassin II even further. The Deep Cool Assassin II uses 7 heat pipes and includes two 140mm high-performance, low-noise fans. This cooler is built for overclockers who want absolute silence, no matter what they’re doing with their rig. It has a total of seven heatpipes that transfer heat from the copper base to the aluminum fins, and then it cools down with two powerful 140mm high-efficiency performance fans. The fan speed can be controlled through the fan control on the motherboard. All parts of the case and the cooler come with the same mirror finish, so the whole case looks cool and classy.

DEEP COOL Assassin III is a full aluminum tower, it’s the first tower to adopt 7 heatpipes technology to provide excellent cooling efficiency and superb stability. It has one fan controller with dual speed options (4.8/6.0) to control both fans at the same time. There are 6 heatsink fins, and the fan can rotate from 0° to 180°. The radiator fan is very quiet. The fan speed can be adjusted by using 4 heatpipes, which is capable of providing sufficient cooling while maintaining high stability. The Assassin III series utilizes advanced thermal solutions to ensure stable operation and cooling capacity.

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Cooler Master Hyper 212
Cooler Master Hyper 212 (Image credit: Amazon)

Cooler Master Hyper 212

+High-performance liquid cooling solution+Innovative Wave PWM Fan Blade Design+Well-balanced cooling performance+Easy installation.
Not compatible with all motherboards

This is the Hyper 212 Evo series new model, which is designed to increase the efficiency of cooling performance by optimizing its heat transfer capabilities and reducing friction while improving its heat dissipation. Cooler Master Hyper 212 Evo is a new premium CPU cooler designed for a wide range of CPUs. It has a large fin structure with two layers of direct contact heat pipe that deliver exceptional cooling performance. The design makes it easy to install without the need for tools.

Innovative Wave PWM Fan Blade Design, The shape of the fan blade is based on a wave curve, which not only creates airflow, but also improves its flow rate. As a result, it increases the stability of airflow, enhances heat dissipation capacity, and reduces noise. It has large fan blade of120mm, Compared to traditional fans that have a diameter of only 40mm or less, this 120mm fan has a larger blade to increase the airflow and provide better cooling effect. 

Well-balanced cooling performance provides fin optimizations with perfect balance between high and low speed operations. Wide-range PWM fan with unique wave-shaped blade design for excellent airflow. CPU Socket: LGA2066, LGA2011-v3, LGA2011, LGA1366, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, AM4, AM3+, AM3, AM2+, AM2.

These features help it to provide a superior cooling performance compared with other 120mm fans. Cooler Master Hyper 212 EVO is the most compact and silent high performance liquid CPU cooler in the industry. Its wide range PWM fan makes it more attractive than all other fans in the same class. Cooler Master Hyper 212 EVO is a great choice if you want something smaller and quieter to cool your new Ryzen/Thread ripper processor.

Frequently Asked Questions

What is a CPU cooler?

A CPU cooler is a device that cools the CPU of a computer. Most computers will come with a CPU cooler built-in to help keep your CPU cool and quiet. If you have an AMD or Intel CPU, you can check the specifications to see if your CPU cooler is compatible with your motherboard.

What are the benefits of using a CPU cooler?

A CPU cooler will help keep your CPU cool and quiet, and it will help you to improve the performance of your computer.

Can I use a CPU cooler that is compatible with an AMD CPU?

Yes, you can use a CPU cooler that is compatible with an AMD CPU. The cooler will work just fine.


The best AM3+ CPU coolers are a great way to cool down your CPU while keeping it cool and quiet. We hope that our list of the best AM3+ CPU coolers has helped you narrow down your options so that you can get the best CPU cooler for your computer! If you have any questions about picking out the best CPU cooler for your computer, please don’t hesitate to ask us. We have years of experience in the computer industry and will be happy to help you find the best CPU cooler for your computer.

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