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Thermalright Peerless Assassin 120 SE CPU Air Cooler vs ARCTIC P14 Pro PST - 5 Pack - Powerful Premium Fan

Updated August 2026The Thermalright Peerless Assassin 120 SE excels in CPU cooling performance and low noise, while the ARCTIC P14 Pro PST offers versatility and high static pressure. Choose based on your specific cooling needs.

The Thermalright Peerless Assassin 120 SE excels in CPU cooling performance and low noise, while the ARCTIC P14 Pro PST offers versatility and high static pressure. Choose based on your specific cooling needs.

Why Thermalright Peerless Assassin 120 SE CPU Air Cooler is better

Cooling Performance

Thermalright offers 66.17 CFM airflow.

Noise Level

Peerless Assassin operates at 25.6 dB(A), quieter than typical fans.

CPU Compatibility

Supports various Intel and AMD sockets.

Why ARCTIC P14 Pro PST - 5 Pack - Powerful Premium Fan is better

Fan Speed

ARCTIC can reach up to 3000 RPM.

Pack Value

Five fans for £27.49 offers better value.

Static Pressure

Designed for high static pressure in dense setups.

Overall score

Thermalright Peerless Assassin 120 SE CPU Air Cooler
85
ARCTIC P14 Pro PST - 5 Pack - Powerful Premium Fan
78

Specifications

SpecThermalright Peerless Assassin 120 SE CPU Air CoolerARCTIC P14 Pro PST - 5 Pack - Powerful Premium Fan
Max Airflow66.17 CFMN/A
Max RPM15503000
Noise Level25.6 dB(A)N/A
Socket SupportIntel & AMDN/A
Bearing TypeN/AFDB

Dimension comparison

Thermalright Peerless Assassin 120 SE CPU Air CoolerARCTIC P14 Pro PST - 5 Pack - Powerful Premium Fan

Overview of the Thermalright Peerless Assassin 120 SE CPU Air Cooler

The Thermalright Peerless Assassin 120 SE CPU Air Cooler is a robust cooling solution, priced at £26.90. This cooler boasts a dual tower design and is equipped with dual PWM fans, enabling a maximum airflow of 66.17 CFM at a noise level of just 25.6 dB(A). With dimensions of 125(L) x 135(W) x 155(H) mm, it fits well in most cases while offering compatibility with various Intel and AMD sockets. Thermalright, a brand with over two decades of experience, focuses on high-performance cooling products, making this air cooler a strong contender for users seeking effective CPU cooling.

Overview of the ARCTIC P14 Pro PST - 5 Pack

The ARCTIC P14 Pro PST, available at £27.49 for a pack of five, is designed for high static pressure, making it suitable for dense radiators and complex cooling setups. This fan can reach speeds of up to 3000 RPM, ensuring efficient airflow under demanding conditions. The innovative fan blade design enhances performance while keeping noise levels minimal due to its fluid dynamic bearing (FDB). The precise manufacturing process contributes to smoother operation, ensuring a long-lasting and reliable performance, which is ideal for users looking for premium fans to optimise their cooling systems.

Cooling Performance Comparison

When it comes to cooling performance, the Thermalright Peerless Assassin 120 SE excels with its dual tower design and efficient airflow of 66.17 CFM. This is particularly beneficial for CPU cooling, allowing it to operate effectively even under heavy loads. On the other hand, the ARCTIC P14 Pro PST is engineered for high static pressure, which allows it to maintain performance in challenging environments, such as when installed in cases with restricted airflow or when used with radiators. With its ability to adjust speeds up to 3000 RPM, the P14 Pro offers versatility, making it suitable for various cooling needs beyond CPU cooling alone.

Noise Levels and Operation

The Thermalright Peerless Assassin 120 SE maintains a noise level of 25.6 dB(A) during operation, which is relatively quiet for a CPU cooler of its size and capability. This makes it an excellent choice for users who prioritise a silent computing environment. In contrast, the ARCTIC P14 Pro PST utilises a self-lubricating fluid dynamic bearing to minimise noise, although specific noise levels are not disclosed. Its design aims for quiet performance, especially at lower RPMs, making it a strong choice for those who want effective cooling without excessive noise.

Installation and Compatibility

The Thermalright Peerless Assassin 120 SE is compatible with a wide range of sockets, including various Intel and AMD platforms, thanks to its provided mounting plates and fasteners. Its dimensions of 125 x 135 x 155 mm ensure that it can fit into most builds without issues. Conversely, while the ARCTIC P14 Pro PST does not specify compatibility with CPU sockets, its versatility as a fan means it can be employed in various applications, including case ventilation and radiator setups. This makes it a flexible addition to any cooling system, although it may require additional consideration to ensure compatibility with specific setups.

Build Quality and Design

Thermalright has built the Peerless Assassin 120 SE with a focus on durability and performance, featuring a metal fastener system for secure installation and a double tower design for enhanced cooling efficiency. The use of six pure copper heat pipes and an electroplating reflow welding process emphasises the cooler's quality. Meanwhile, the ARCTIC P14 Pro PST is noted for its high-precision manufacturing processes that reduce vibrations and improve longevity. The fan's design, with newly optimised blades, aims to balance performance and noise, showcasing ARCTIC’s commitment to quality in fan development.

Price and Value for Money

With a price tag of £26.90, the Thermalright Peerless Assassin 120 SE offers substantial cooling capabilities for its cost, especially for users focused on CPU performance. The ARCTIC P14 Pro PST, priced at £27.49 for a pack of five, delivers excellent value when considering the high static pressure and efficiency it provides. Users may find that the fan pack is particularly advantageous for building a comprehensive cooling solution across multiple components, making it a worthwhile investment for those looking to enhance their overall cooling performance.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 SE and the ARCTIC P14 Pro PST depends on your specific cooling needs. If you require a dedicated CPU cooler with strong performance and low noise, the Peerless Assassin is an excellent choice at £26.90. Conversely, if you need versatile fans that can handle various applications, including case ventilation and radiator use, the ARCTIC P14 Pro PST offers great value at £27.49 for a pack of five. Ultimately, both products present substantial advantages in their respective areas, making your choice contingent on your cooling requirements and system configuration.

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Thermalright Peerless Assassin 120 SE CPU Air Cooler vs ARCTIC P14 Pro PST - 5 Pack - Powerful Premium Fan | versusfinder