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ARCTIC P14 PWM PST - PC Fans, vs Thermalright Peerless Assassin 120 SE V3 CPU Air

Updated August 2026 — ARCTIC P14 PWM PST - PC Fans, leads on longevity and cooling efficien.

The ARCTIC P14 PWM PST excels in quiet operation and longevity, while the Thermalright Peerless Assassin offers superior cooling performance for CPUs. Choose based on your specific cooling needs.

Why ARCTIC P14 PWM PST - PC Fans, is better

Noise Level

ARCTIC P14 operates at 0.3 Sone, quieter than Thermalright's 29.8 dB(A).

Lifespan

ARCTIC P14 has a longer lifespan due to lower motor temperature.

Value

ARCTIC P14 comes in a 5-pack, providing better value for case cooling.

Why Thermalright Peerless Assassin 120 SE V3 CPU Air is better

Cooling Performance

Thermalright's dual fans and design provide better CPU cooling.

Airflow

Thermalright Peerless Assassin has a higher static pressure of 2.63 mmH₂O.

Compatibility

Thermalright supports a wider range of CPU sockets.

Overall score

ARCTIC P14 PWM PST - PC Fans,
85
Thermalright Peerless Assassin 120 SE V3 CPU Air
78

Specifications

SpecARCTIC P14 PWM PST - PC Fans,Thermalright Peerless Assassin 120 SE V3 CPU Air
Fan Speed200-1700 RPM2000 RPM
Static Pressure2.40 mmH₂O2.63 mmH₂O
Noise Level0.3 Sone29.8 dB(A)
LifespanLongerStandard
Pack Size5 Pack1 Unit

Dimension comparison

ARCTIC P14 PWM PST - PC Fans,Thermalright Peerless Assassin 120 SE V3 CPU Air

Overview of the ARCTIC P14 PWM PST and Thermalright Peerless Assassin 120 SE V3

The ARCTIC P14 PWM PST is priced at $40.99, while the Thermalright Peerless Assassin 120 SE V3 is more budget-friendly at $35.90, making it about 17% cheaper. Both products are designed for different cooling applications, with the ARCTIC P14 PWM PST serving as a case fan and the Thermalright Peerless Assassin functioning as a CPU cooler. Understanding the specific use cases and features of each product is essential for deciding which cooling solution best fits your needs.

Cooling Performance

Cooling performance is a critical factor when comparing these two products. The ARCTIC P14 PWM PST operates at a fan speed ranging from 200 to 1700 RPM, generating an airflow of 72.8 CFM and a static pressure of 2.40 mmH₂O. This makes it particularly effective for high-resistance applications like heatsinks and radiators. On the other hand, the Thermalright Peerless Assassin boasts impressive specifications with its dual 120mm PWM fans capable of reaching up to 2000 RPM and delivering an air volume of 70.84 CFM, alongside a static pressure of 2.63 mmH₂O. While the ARCTIC fan is optimized for quiet operation, the Thermalright cooler is designed to manage CPU temperatures effectively, presenting a slight edge in cooling performance due to its dual-tower design.

Noise Levels

When it comes to noise levels, the ARCTIC P14 PWM PST excels with a noise level of just 0.3 Sone, ensuring a quiet operation even under maximum load. This is particularly advantageous for users who prioritize a silent build. In contrast, the Thermalright Peerless Assassin operates at a maximum noise level of 29.8 dB(A). Although this is relatively quiet for a CPU cooler, it doesn't match the whisper-quiet performance of the ARCTIC fan. For users sensitive to noise, the ARCTIC P14 might be the better choice for maintaining a peaceful environment.

Design and Build Quality

The design and build quality of both products are commendable but serve different purposes. The ARCTIC P14 comes in a five-pack, making it ideal for those looking to equip an entire case with high-quality fans. Its pressure-optimized design is complemented by a quiet motor, which enhances the longevity of the fan. Conversely, the Thermalright Peerless Assassin features a double-tower structure with six heat pipes and dual fans, which provides robust cooling capabilities. Its aluminium heatsink cover gives it a sleek appearance, but its larger size may pose compatibility issues in smaller cases. Users should consider their case dimensions and aesthetic preferences when selecting between these two options.

Installation Process

Installation processes can vary significantly between the two products. The ARCTIC P14 PWM PST, being a standard case fan, typically requires minimal effort for installation, connecting easily via a 4-pin PWM connector. The five-pack also allows for flexibility in configuration. In contrast, the Thermalright Peerless Assassin necessitates a more involved installation process due to its dual-tower design and compatibility with both Intel and AMD sockets. While it includes mounting accessories and instructions, users should be prepared for a slightly more complex setup. This factor may sway users who prefer a hassle-free installation experience.

Compatibility

Compatibility is a key consideration when choosing between these cooling solutions. The ARCTIC P14 PWM PST can be used in a wide range of cases, fitting into any 140mm fan slot, making it versatile for various builds. The Thermalright Peerless Assassin, however, supports a broader range of CPU sockets, including Intel's LGA 1851, 1700, and AMD's AM4/AM5, thus appealing to users with specific CPU setups. This added versatility in terms of CPU compatibility may make the Thermalright more attractive to those upgrading their processors.

Longevity and Reliability

Longevity and reliability are crucial for any cooling solution. The ARCTIC P14 features a motor that operates at a lower coil temperature, which is said to enhance its lifespan significantly—potentially doubling it compared to standard fans. This durability is a strong selling point for users looking to invest in long-term cooling solutions. On the flip side, the Thermalright Peerless Assassin utilizes AGHP heat pipe technology which enhances heat dissipation and reliability during operation. While both products are built for longevity, the ARCTIC P14's extended lifespan may appeal to users prioritizing durability.

Which should you buy?

Ultimately, the choice between the ARCTIC P14 PWM PST and the Thermalright Peerless Assassin 120 SE V3 hinges on your specific cooling needs. If you require a quiet, efficient case fan for general airflow and thermal management, the ARCTIC P14 PWM PST is a commendable choice, especially given its low noise level and long lifespan. However, if you're looking for a robust CPU cooler capable of handling higher thermal loads with dual-fan efficiency, the Thermalright Peerless Assassin offers excellent performance at a slightly lower price point. Each product serves its unique purpose well, so consider your priorities—be it quiet operation, cooling performance, or installation ease—before making your final decision.