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ARCTIC P14 Pro Reverse A-RGB – 3 Pack – vs Thermalright Peerless Assassin 120 Black CPU Air

Updated August 2026 — ARCTIC P14 Pro Reverse A-RGB – 3 Pack – leads on design and airflow.

The ARCTIC P14 Pro offers a better balance of price, aesthetics, and noise levels, while the Thermalright Peerless Assassin excels in cooling performance. Choose based on your priority.

Why ARCTIC P14 Pro Reverse A-RGB – 3 Pack – is better

Price

ARCTIC P14 Pro is $33.99, cheaper than Thermalright at $38.90.

Noise

ARCTIC operates quieter due to its fluid dynamic bearing.

Aesthetics

ARCTIC features RGB lighting for enhanced visual appeal.

Why Thermalright Peerless Assassin 120 Black CPU Air is better

Cooling

Thermalright handles higher TDP with 6 heat pipes.

Fan Count

Thermalright has dual fans for better cooling potential.

Compatibility

Thermalright supports a wider range of CPU sockets.

Overall score

ARCTIC P14 Pro Reverse A-RGB – 3 Pack –
85
Thermalright Peerless Assassin 120 Black CPU Air
78

Specifications

SpecARCTIC P14 Pro Reverse A-RGB – 3 Pack –Thermalright Peerless Assassin 120 Black CPU Air
Price$33.99$38.90
Fan Count32
Max RPM26501500
Noise Level<5% PWM25.6 dB(A)
Heat Pipes06

Dimension comparison

ARCTIC P14 Pro Reverse A-RGB – 3 Pack –Thermalright Peerless Assassin 120 Black CPU Air

Price Comparison

When comparing the ARCTIC P14 Pro Reverse A-RGB and the Thermalright Peerless Assassin 120 Black CPU Air Cooler, the price difference is notable. The ARCTIC P14 Pro is priced at $33.99, while the Thermalright Peerless Assassin is priced at $38.90. This makes the ARCTIC P14 Pro about 13% cheaper than its competitor. The lower price of the ARCTIC model might attract budget-conscious consumers looking for efficient cooling solutions without breaking the bank.

Design and Aesthetics

In terms of design, the ARCTIC P14 Pro has a unique reversed airflow design, which pulls air from the back side. This feature is especially beneficial for glass-fronted PC cases, enhancing the overall appearance without compromising functionality. The Thermalright Peerless Assassin, on the other hand, showcases a twin tower design with a sleek black finish and an aluminum heatsink cover. While both products offer aesthetic appeal, the ARCTIC model's RGB features may be more attractive to those looking to customize their PC’s visual flair.

Cooling Performance

The ARCTIC P14 Pro boasts a high static pressure that allows it to perform efficiently even in the presence of resistance, such as dense radiators and mesh structures. With a fan speed that can reach up to 2650 RPM, it provides reliable cooling for a variety of builds. The Thermalright Peerless Assassin, equipped with six heat pipes and utilizing AGHP technology, can handle a TDP of 245W. This makes it a robust option for high-performance CPUs, though its fan speed maxes out at 1500 RPM. For users prioritizing intense cooling performance, the Thermalright model may hold an edge.

Noise Levels

Noise levels are an important consideration for many users. The ARCTIC P14 Pro is designed for quiet operation, thanks to its smooth-running fluid dynamic bearing, which minimizes noise during operation. It operates at less than 5% PWM, allowing it to stop completely when not needed, contributing to a quieter environment. The Thermalright Peerless Assassin has a maximum noise level of 25.6 dB(A) at full load, which is relatively low, but still higher than what the ARCTIC can achieve. For users who prefer a silent PC, the ARCTIC P14 Pro may be the preferred choice.

Installation and Compatibility

Installation ease and compatibility are critical factors when choosing between cooling solutions. The Thermalright Peerless Assassin comes with metal fasteners for both Intel and AMD platforms, indicating a straightforward installation process. Its dimensions and design allow it to fit in most cases without interference with other components. The ARCTIC P14 Pro, while primarily a fan, can be easily integrated into various builds, particularly those that favor reverse airflow. However, it does not offer the same level of standalone CPU cooling capabilities as the Thermalright model, which is designed specifically for CPU applications.

Fan Features

The ARCTIC P14 Pro includes three PWM fans that can be adjusted for speed, ranging from 400 to 2650 RPM, providing flexibility in performance and noise management. Each fan is designed with hydrodynamic bearings, contributing to their longer lifespan and quieter operation. In contrast, the Thermalright Peerless Assassin features two PWM fans with a maximum speed of 1500 RPM. While its dual fans enhance cooling potential, they may not offer the same customization in speed as the ARCTIC's higher RPM range. For users seeking more control over fan speeds, the ARCTIC P14 Pro offers a clear advantage.

Brand Reputation

Both ARCTIC and Thermalright have established reputations in the cooling market. ARCTIC is known for its innovative cooling solutions and aesthetic designs, particularly appealing to gamers and PC builders who value both performance and visual customization. Thermalright, with its focus on high-performance cooling, is often favored by users who demand maximum cooling efficiency for high-end CPUs. The selection between the two brands may ultimately depend on specific user needs—whether they prioritize aesthetics and noise levels or raw cooling performance.

Which should you buy?

Choosing between the ARCTIC P14 Pro Reverse A-RGB and the Thermalright Peerless Assassin 120 Black ultimately depends on individual needs and preferences. The ARCTIC model is a more budget-friendly option, offering advanced features such as reverse airflow, higher RPM, and quieter operation, making it suitable for those focused on aesthetics and a quieter setup. Meanwhile, the Thermalright Peerless Assassin excels in pure cooling performance with its robust design and capabilities for high TDP CPUs. If cooling efficiency is your top priority, the Thermalright may be the better choice, but for those looking for a stylish, quieter fan solution, the ARCTIC P14 Pro stands out.