ARCTIC P14 Pro Reverse A-RGB – 3 Pack – vs Thermalrlght Peerless Assassin 120 SE CPU Air
Updated August 2026 — ARCTIC P14 Pro Reverse A-RGB – 3 Pack – leads on design and cooling.
The ARCTIC P14 Pro Reverse A-RGB excels in airflow and aesthetics, while the Thermalrlght Peerless Assassin 120 SE offers robust CPU cooling. Choose based on your specific needs.
Why ARCTIC P14 Pro Reverse A-RGB – 3 Pack – is better
Airflow
Higher RPM for better airflow
Aesthetics
RGB lighting enhances visual appeal
Noise
Quieter operation due to fluid dynamic bearing
Why Thermalrlght Peerless Assassin 120 SE CPU Air is better
Cooling
More effective CPU cooling with heat pipes
Compatibility
Supports a wider range of CPU sockets
Price
Slightly lower price point
Overall score
Specifications
| Spec | ARCTIC P14 Pro Reverse A-RGB – 3 Pack – | Thermalrlght Peerless Assassin 120 SE CPU Air |
|---|---|---|
| Max RPM | 2650 | 1550 |
| Noise Level | ≤25 dB(A) | ≤25.6 dB(A) |
| Airflow | High | Moderate |
| RGB Lighting | Yes | No |
| Heat Pipes | None | 6 |
Dimension comparison
Overview of the ARCTIC P14 Pro Reverse A-RGB and Thermalrlght Peerless Assassin 120 SE
The ARCTIC P14 Pro Reverse A-RGB is priced at $33.99, while the Thermalrlght Peerless Assassin 120 SE is slightly cheaper at $32.90, making it about 3% less expensive. Both products target the PC cooling market but serve different purposes: the ARCTIC P14 Pro is a fan designed to enhance airflow and aesthetics, while the Thermalrlght Peerless Assassin is a more comprehensive CPU air cooler with a focus on effective heat dissipation.
Design and Aesthetics
The ARCTIC P14 Pro Reverse A-RGB sports a sleek design with digital RGB lighting, appealing to gamers and PC builders looking for visually striking components. Its reversed airflow design draws air from the back, making it ideal for glass-fronted cases where traditional fans may disrupt the visual appeal. In contrast, the Thermalrlght Peerless Assassin 120 SE features an aluminum heatsink cover and a dual-tower configuration, offering a robust aesthetic but less emphasis on RGB lighting. The Peerless Assassin’s asymmetric layout enhances compatibility with graphics cards and motherboards, ensuring it fits well in most cases.
Cooling Performance
When it comes to cooling performance, the ARCTIC P14 Pro Reverse A-RGB can spin up to 2650 RPM, providing high static pressure that effectively penetrates dense radiators and mesh panels. This performance is crucial for maintaining optimal temperatures during intense gaming or heavy workloads. On the other hand, the Thermalrlght Peerless Assassin 120 SE employs six heat pipes and dual 120mm fans that operate at a maximum speed of 1550 RPM. Although it has a lower RPM, its advanced AGHP technology helps achieve rapid heat exchange, making it a strong contender for cooling CPU temperatures effectively.
Noise Levels
Noise levels are an essential consideration for many users. The ARCTIC P14 Pro is designed to operate quietly, thanks to its smooth-running fluid dynamic bearing, which minimizes noise during operation. This feature is especially beneficial for users who prioritize a silent environment. The Thermalrlght Peerless Assassin 120 SE, while also designed to be quiet, has a rated noise level of ≤25.6 dB(A) at maximum fan speed. Although it is engineered for a balance of performance and noise, it may not be as quiet as the ARCTIC fan, particularly under load.
Compatibility
Compatibility varies between the two products. The ARCTIC P14 Pro can be used in a variety of setups, especially in cases that allow for multiple fans and RGB configurations. It connects via a 4-pin PWM connection, making it easy to integrate into existing systems. The Thermalrlght Peerless Assassin 120 SE is compatible with a range of CPU sockets, including Intel LGA 1700 and AMD AM4/AM5, and is designed to fit well in most mid-tower cases. However, users must ensure that their cases and motherboards can accommodate its dimensions and installation requirements.
Installation Process
Installation is straightforward for both products, but the complexity differs. The ARCTIC P14 Pro Reverse A-RGB simply requires mounting in a fan slot, and the RGB connection is also user-friendly. In contrast, the Thermalrlght Peerless Assassin 120 SE involves a bit more complexity due to its dual tower design and specific installation requirements, including the use of the motherboard's built-in backplate for AMD installations. This added complexity may be a consideration for less experienced builders.
Price Comparison
The price difference between the two products is minimal, with the ARCTIC P14 Pro Reverse A-RGB costing $33.99 and the Thermalrlght Peerless Assassin 120 SE at $32.90. This makes the Peerless Assassin about 3% less expensive, which may be appealing for budget-conscious users. However, considering the purpose of each product—fans versus a CPU cooler—the value proposition varies based on the user’s specific cooling needs and overall system configuration.
Which should you buy?
Choosing between the ARCTIC P14 Pro Reverse A-RGB and the Thermalrlght Peerless Assassin 120 SE ultimately depends on your specific cooling needs and preferences. If you are seeking a high-performance fan that enhances airflow and aesthetics with RGB lighting, the ARCTIC P14 Pro is an excellent choice. However, if you need a robust CPU air cooler designed for effective heat dissipation, especially for high-performance CPUs, the Thermalrlght Peerless Assassin 120 SE offers solid performance at a slightly lower price. Ultimately, both products have their strengths, but your choice should align with your cooling requirements and case compatibility.

