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Noctua NF-A14 PWM vs Thermalright Peerless Assassin 120 SE V3 CPU Air

Updated August 2026 — Noctua NF-A14 PWM wins on noise level, Thermalright Peerless Assassin 120 SE V3 CPU Air wins on fan speed and compatibility.

The Noctua NF-A14 PWM excels in quiet operation and longevity, while the Thermalright Peerless Assassin 120 SE V3 offers superior cooling performance. Choose based on your specific needs.

Why Noctua NF-A14 PWM is better

Price

Noctua is cheaper by $10

Noise Level

Noctua operates at 24.6 dB(A)

Lifespan

Noctua has a lifespan of over 150,000 hours

Why Thermalright Peerless Assassin 120 SE V3 CPU Air is better

Cooling Performance

Thermalright has higher airflow at 70.84 CFM

Fan Speed

Thermalright reaches up to 2000 RPM

Heat Pipe Technology

Thermalright uses advanced AGHP technology

Overall score

Noctua NF-A14 PWM
75
Thermalright Peerless Assassin 120 SE V3 CPU Air
85

Specifications

SpecNoctua NF-A14 PWMThermalright Peerless Assassin 120 SE V3 CPU Air
Max RPM15002000
Max Noise24.6 dB(A)29.8 dB(A)
AirflowNot specified70.84 CFM
Heat Pipes06
PWM SupportYesYes

Dimension comparison

Noctua NF-A14 PWMThermalright Peerless Assassin 120 SE V3 CPU Air

Overview of the Noctua NF-A14 PWM

The Noctua NF-A14 PWM is a premium quiet fan designed for superior cooling performance, priced at $24.95. This 140mm fan features a maximum speed of 1500 RPM and operates at a noise level of only 24.6 dB(A), making it ideal for those seeking an efficient yet quiet cooling solution. The fan is equipped with advanced technologies, including Flow Acceleration Channels and an Advanced Acoustic Optimisation frame, which enhance its airflow and reduce noise levels.

Additionally, the Noctua NF-A14 PWM supports a 4-pin PWM connection, allowing for automatic speed control via compatible fan headers. This versatility makes it suitable for various applications, including PC cases, water cooling radiators, and cabinet ventilation. Its long lifespan of over 150,000 hours further solidifies its appeal for users looking for a reliable cooling option.

Overview of the Thermalright Peerless Assassin 120 SE V3

The Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler is a more complex cooling solution, retailing at $35.90. This cooler features a double-tower design with dual 120mm fans that can reach speeds up to 2000 RPM, providing a robust cooling capacity. With a maximum air volume of 70.84 CFM and operating noise levels of up to 29.8 dB(A), it offers effective heat dissipation for CPUs, making it a suitable choice for high-performance builds.

The cooler incorporates six heat pipes and advanced AGHP technology, improving its heat dissipation efficiency significantly. It is compatible with a wide range of Intel and AMD processors, which enhances its versatility in different setups. The combination of high RPM fans and dual towers allows this cooler to handle demanding thermal loads effectively.

Performance Comparison

When comparing performance, the Thermalright Peerless Assassin 120 SE V3 excels due to its dual fan configuration and higher maximum RPM of 2000 compared to the Noctua NF-A14's 1500 RPM. This difference translates into better airflow and cooling potential, especially under heavy CPU loads. The Thermalright cooler's ability to move 70.84 CFM of air is significantly higher than the airflow capacity of the Noctua fan, which is not specified but is generally lower due to its design.

However, the Noctua NF-A14 PWM is optimized for quieter operation, with a noise level of only 24.6 dB(A) compared to the maximum 29.8 dB(A) of the Thermalright cooler. Users prioritizing a silent system might prefer the Noctua, while those needing aggressive cooling for overclocking might lean towards the Thermalright option.

Installation and Compatibility

Installation and compatibility are critical factors in choosing a cooling solution. The Noctua NF-A14 PWM is designed for ease of use, featuring anti-vibration mounts and accessories for straightforward installation. It fits a variety of chassis and can be used in both intake and exhaust configurations.

On the other hand, the Thermalright Peerless Assassin 120 SE V3 is compatible with a broad range of Intel and AMD sockets, including the latest 14th and 15th generation Intel processors as well as AMD Ryzen 9000 series. While it comes with mounting accessories, the installation may require more effort, particularly on AMD platforms where users must retain the motherboard's original backplate. This can be a consideration for those who prefer a simpler setup.

Noise Levels

Noise levels are a significant aspect of cooling performance, especially for users who prioritize a quiet environment. The Noctua NF-A14 PWM operates at a maximum of 24.6 dB(A), making it one of the quietest fans available. This feature makes it especially appealing for users looking to build a silent workstation or gaming rig.

In contrast, the Thermalright Peerless Assassin 120 SE V3 has a maximum noise level of 29.8 dB(A). While this is still relatively quiet, it is noticeably higher than the Noctua fan. Users who are sensitive to noise or who plan to use their systems in noise-sensitive environments should consider this aspect carefully.

Price Comparison

The Noctua NF-A14 PWM is priced at $24.95, making it about 30% cheaper than the Thermalright Peerless Assassin 120 SE V3, which retails for $35.90. This price difference may be a decisive factor for budget-conscious consumers. The Noctua fan offers great value for those looking for a quiet and efficient cooling solution without breaking the bank.

However, considering the capabilities of the Thermalright cooler, particularly its higher performance for CPU cooling, some users may find the additional investment worthwhile. It ultimately depends on the user's specific cooling requirements and budget constraints.

Brand Reputation and Reliability

Both Noctua and Thermalright have established reputations in the cooling market, known for their quality products. Noctua is often praised for its commitment to low noise levels and durability, as evidenced by the NF-A14's impressive lifespan of over 150,000 hours. This reliability makes it a favorite among enthusiasts and those looking for long-term solutions.

Thermalright, on the other hand, is recognized for its high-performance coolers, particularly in gaming and overclocking scenarios. The Peerless Assassin 120 SE V3 incorporates advanced cooling technologies and is well-regarded for its efficiency under load. Both brands have their strengths, appealing to different segments of the market.

Which should you buy?

Choosing between the Noctua NF-A14 PWM and the Thermalright Peerless Assassin 120 SE V3 ultimately depends on your specific needs. If you are looking for a quiet, reliable fan for general use or light gaming, the Noctua NF-A14 PWM is an excellent choice at a lower price point. However, if you need superior cooling performance for demanding applications or overclocking, the Thermalright Peerless Assassin 120 SE V3 offers a more robust solution, albeit at a higher cost. Consider your priorities regarding noise, performance, and budget to make the best decision for your setup.