ARCTIC P14 PWM PST - PC Fans, vs Thermalrlght Peerless Assassin 120 SE CPU Air
Updated August 2026 — ARCTIC P14 PWM PST - PC Fans, wins on longevity and cooling efficien, Thermalrlght Peerless Assassin 120 SE CPU Air wins on compatibility.
The ARCTIC P14 PWM PST offers superior quiet operation and efficiency, while the Thermalrlght Peerless Assassin 120 SE provides excellent CPU cooling at a lower price. Choose based on your specific cooling needs.
Why ARCTIC P14 PWM PST - PC Fans, is better
Cooling Efficiency
ARCTIC P14 excels in static pressure optimization.
Noise Level
ARCTIC operates at a much lower noise level.
Fan Speed Control
ARCTIC features PWM technology for better speed regulation.
Why Thermalrlght Peerless Assassin 120 SE CPU Air is better
Price
Thermalrlght is more economical.
CPU Compatibility
Thermalrlght is specifically designed for CPU cooling.
Aesthetics
Thermalrlght has a visually striking dual tower design.
Overall score
Specifications
| Spec | ARCTIC P14 PWM PST - PC Fans, | Thermalrlght Peerless Assassin 120 SE CPU Air |
|---|---|---|
| Fan Speed | 200-1700 RPM | 1550 RPM |
| Noise Level | 0.3 Sone | 25.6 dB(A) |
| Static Pressure | 2.40 mmH₂O | N/A |
| Heat Pipes | N/A | 6 |
| Price | $40.99 | $32.90 |
Dimension comparison
Overview
In this comparison, we explore two notable products in the cooling segment: the ARCTIC P14 PWM PST fans and the Thermalrlght Peerless Assassin 120 SE CPU air cooler. The ARCTIC P14, priced at $40.99 for a five-pack, offers advanced fan technology, while the Thermalrlght cooler provides a robust cooling solution for CPUs at $32.90. Each product serves distinct purposes within a computer setup, catering to varying needs for cooling performance.
Cooling Performance
The ARCTIC P14 PWM PST excels in static pressure optimization, making it ideal for use on heatsinks and radiators. With a fan speed range of 200 to 1700 RPM, it maintains efficient cooling under variable conditions. In contrast, the Thermalrlght Peerless Assassin 120 SE features six heat pipes and dual 120mm TL-C12C PWM fans that provide a maximum airflow of 66.17 CFM at a noise level of 25.6 dB(A). While both products promise impressive cooling performance, the ARCTIC's ability to regulate fan speed through PWM technology provides a more tailored cooling experience.
Design and Build Quality
In terms of design, the ARCTIC P14 boasts a sleek black finish that fits well with any PC setup, while its quiet motor ensures minimal noise during operation. The Thermalrlght Peerless Assassin 120 SE showcases an aluminum heatsink cover and a dual tower configuration, which not only enhances aesthetics but also improves compatibility with various motherboard layouts. The soldered copper heat pipes in the Thermalrlght cooler promise efficient thermal transfer, indicating a focus on robust build quality. While both products are well-designed, the Thermalrlght's dual fans and heatsink design may appeal more to those seeking a visually striking CPU cooler.
Installation and Compatibility
The installation processes for both products are straightforward, yet they cater to different components. The ARCTIC P14 PWM PST, being a case fan, can be easily integrated into most PC cases without compatibility issues. The Thermalrlght Peerless Assassin 120 SE, however, requires careful consideration of CPU socket compatibility, supporting both Intel and AMD systems. Notably, this cooler uses the original motherboard's built-in backplate for installation on AM4 and AM5 motherboards, which might be a limitation for some users. While the ARCTIC offers universal compatibility, the Thermalrlght is specifically designed for CPU cooling, which may affect installation based on the user's setup.
Noise Levels
When it comes to noise levels, the ARCTIC P14 PWM PST operates at a remarkably low noise level of 0.3 Sone, ensuring a quiet computing environment. This makes it suitable for users who prioritize silence, such as gamers or professionals working in noise-sensitive settings. The Thermalrlght Peerless Assassin 120 SE, with a maximum noise level of 25.6 dB(A), is also designed to operate quietly but may not match the near-silent performance of the ARCTIC fans. If noise reduction is a primary concern, the ARCTIC P14 may be the better option.
Price Comparison
The ARCTIC P14 PWM PST is priced at $40.99, which translates to about $8.20 per fan in the five-pack. In comparison, the Thermalrlght Peerless Assassin 120 SE is more economical at $32.90. This means the Thermalrlght cooler is approximately 17% cheaper than the ARCTIC fans when considering their respective prices. For users on a budget or those looking for a single CPU cooling solution, the Thermalrlght offers a compelling value proposition.
Target Audience
The ARCTIC P14 PWM PST appeals to users looking for efficient case fans to enhance overall airflow and cooling in their systems. It is particularly suitable for those who need reliable performance in high-resistance environments, such as heatsinks and radiators. Meanwhile, the Thermalrlght Peerless Assassin 120 SE targets users seeking an effective CPU cooler with advanced features such as AGHP technology and a dual-fan setup. Each product caters to different needs, with the ARCTIC suitable for general airflow and the Thermalrlght focused on CPU cooling.
Which should you buy?
Ultimately, the decision between the ARCTIC P14 PWM PST and the Thermalrlght Peerless Assassin 120 SE hinges on your specific cooling needs and preferences. If you're in need of high-performance case fans that offer quiet operation and efficient cooling, the ARCTIC P14 is an excellent choice. However, if you're looking for a dedicated CPU cooler that combines aesthetics with effective cooling capabilities at a lower price point, the Thermalrlght Peerless Assassin 120 SE stands out as a strong contender. Consider your requirements carefully to make the best choice for your computer setup.

