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

Updated August 2026 — Noctua NF-A14 PWM wins on noise level, Thermalright Peerless Assassin 120 Black CPU Air wins on compatibility and cooling.

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

Why Noctua NF-A14 PWM is better

Price

Noctua is approximately 36% cheaper.

Noise Level

Noctua operates at 24.6 dB(A), quieter than Thermalright.

Durability

Noctua has a mean time to failure exceeding 150,000 hours.

Why Thermalright Peerless Assassin 120 Black CPU Air is better

Cooling Performance

Thermalright has a thermal dissipation capacity of 245 watts.

Compatibility

Thermalright supports multiple CPU sockets.

Design

Thermalright features a sleek black finish with an aluminum heatsink.

Overall score

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

Specifications

SpecNoctua NF-A14 PWMThermalright Peerless Assassin 120 Black CPU Air
Fan TypePWM FanCPU Air Cooler
Heat Pipes06
Max RPM15001500
Max Noise24.6 dB(A)25.6 dB(A)
Price$24.95$38.90

Dimension comparison

Noctua NF-A14 PWMThermalright Peerless Assassin 120 Black CPU Air

Overview

When it comes to cooling solutions for your PC, the Noctua NF-A14 PWM and the Thermalright Peerless Assassin 120 Black offer distinct advantages. The Noctua NF-A14 PWM is a premium fan known for its quiet operation, while the Thermalright Peerless Assassin is a robust CPU air cooler designed for excellent heat dissipation. Understanding their features helps determine which one suits your needs better.

Cooling Performance

The Thermalright Peerless Assassin 120 Black excels in cooling performance with its dual-tower design and six heat pipes. This design allows it to achieve a thermal dissipation capacity of 245 watts, making it a strong contender for high-performance CPUs. In contrast, the Noctua NF-A14 PWM, while an effective fan, is primarily designed for quiet operation rather than extreme cooling. Its maximum airflow is not specified but is optimized for low noise levels, peaking at 24.6 dB(A). If raw cooling power is your priority, the Thermalright design is more suitable.

Noise Levels

Noise is a critical factor for many PC builders, and the Noctua NF-A14 PWM stands out in this category. Operating at a maximum of 24.6 dB(A), it is engineered for quiet performance, making it ideal for silent builds. On the other hand, the Thermalright Peerless Assassin 120 Black has a noise level of 25.6 dB(A) when its fans are running at full speed. While both options maintain relatively low noise levels, the Noctua fan is slightly quieter, which could be a deciding factor for those seeking a silent operation.

Installation and Compatibility

When it comes to installation, the Thermalright Peerless Assassin 120 Black offers versatility with its compatibility across various CPU sockets. It supports Intel LGA 1150/1151/1155/1156/1200/1700/2066 and AMD AM4/AM5 sockets, making it a flexible choice for many systems. The Noctua NF-A14 PWM is a fan that can be easily integrated into water cooling setups, PC cases, and exhaust systems, but it does not function as a standalone CPU cooler. Thus, if you are looking for a component that can directly cool your CPU, the Thermalright is the clear winner.

Design and Aesthetics

The design aesthetic is subjective, but both products appeal to different tastes. The Noctua NF-A14 PWM features a classic brown and beige color scheme that is synonymous with the Noctua brand, known for its high-end cooling products. In contrast, the Thermalright Peerless Assassin 120 Black showcases a sleek black finish with an aluminum heatsink cover, giving it a modern, aggressive look that complements contemporary builds. If aesthetics matter to you, choose based on which design fits your PC's overall theme better.

Price Comparison

In terms of pricing, the Noctua NF-A14 PWM is currently priced at $24.95, while the Thermalright Peerless Assassin 120 Black comes in at $38.90. This makes the Noctua approximately 36% cheaper. If budget constraints are a primary consideration in your decision-making process, the Noctua offers a more economical option, especially if you only need a fan rather than a full cooling solution.

Durability and Build Quality

Both products boast impressive durability, but their construction differs significantly. The Noctua NF-A14 PWM is designed to have a mean time to failure (MTTF) exceeding 150,000 hours, indicating exceptional longevity. The Thermalright Peerless Assassin, while robust, does not specify its lifespan but emphasizes its build quality through features like pure copper heat pipes and aluminum construction. Noctua's long lifespan could be a decisive factor if you prioritize long-term reliability in your cooling solution.

Which should you buy?

Choosing between the Noctua NF-A14 PWM and the Thermalright Peerless Assassin 120 Black ultimately depends on your specific needs. If you are looking for a quiet, efficient fan for general use or water cooling, the Noctua is a fantastic choice due to its low noise levels and cost-effectiveness. However, if you require a dedicated CPU cooler that can handle high thermal loads with superior cooling performance and compatibility across various CPU sockets, the Thermalright Peerless Assassin is the better option. Evaluate your priorities and choose accordingly.