ARCTIC P14 PWM PST - PC Fans, vs Thermalright Assassin X 120R SE V2 CPU Cooler, 4×
Updated August 2026 — ARCTIC P14 PWM PST - PC Fans, wins on noise level and cooling efficien, Thermalright Assassin X 120R SE V2 CPU Cooler, 4× wins on installation.
The ARCTIC P14 PWM PST offers superior cooling performance and quieter operation, making it the better choice for those who prioritize efficiency and noise levels. However, the Thermalright Assassin X is a budget-friendly option with decent performance.
Why ARCTIC P14 PWM PST - PC Fans, is better
Cooling Performance
Higher airflow and broader RPM range
Noise Levels
Quieter operation at 0.3 Sone
Lifespan
Longer lifespan due to lower motor temperature
Why Thermalright Assassin X 120R SE V2 CPU Cooler, 4× is better
Price
Significantly cheaper at $16.59
Compatibility
Supports a wide range of CPU sockets
Build Quality
Quality S-FDB bearings for durability
Overall score
Specifications
| Spec | ARCTIC P14 PWM PST - PC Fans, | Thermalright Assassin X 120R SE V2 CPU Cooler, 4× |
|---|---|---|
| Fan Speed | 200-1700 RPM | 1550 RPM |
| Noise Level | 0.3 Sone | 25.6 dB(A) |
| Static Pressure | 2.40 mmH₂O | N/A |
| Lifespan | Longer | Standard |
| Price | $40.99 | $16.59 |
Dimension comparison
Introduction to the Products
When it comes to cooling solutions for your computer, the ARCTIC P14 PWM PST and the Thermalright Assassin X 120R SE V2 CPU cooler stand out as two popular choices. The former is a set of five 140mm case fans designed for optimal airflow, while the latter is a CPU cooler featuring a 120mm fan with RGB lighting. Their price points reflect their differences, with the ARCTIC P14 priced at $40.99 and the Thermalright Assassin X at just $16.59—making it about 59% cheaper.
Design and Build Quality
In terms of design, the ARCTIC P14 PWM PST boasts a sleek black finish and is optimized for static pressure, making it particularly effective for heatsinks and radiators. Its innovative motor technology allows for efficient cooling even under heavy loads. The Thermalright Assassin X, on the other hand, features an aluminum heat sink with a copper base and four heat pipes, ensuring efficient thermal transfer. Both products are built to last, but the ARCTIC fan's design may provide a slight edge in environments requiring high airflow against resistance.
Cooling Performance
The ARCTIC P14 PWM PST operates at a fan speed ranging from 200 to 1700 RPM, delivering an impressive airflow of 72.8 CFM and a low noise level of 0.3 Sone. This versatility makes it ideal for various cooling scenarios, particularly in demanding setups. Conversely, the Thermalright Assassin X operates at a fan speed of 1550 RPM with a maximum airflow of 66.17 CFM and a noise level of up to 25.6 dB(A). While both products offer solid cooling performance, the ARCTIC fan provides a broader RPM range, allowing for greater adaptability.
Noise Levels
When it comes to noise levels, the ARCTIC P14 PWM PST operates at a remarkably quiet 0.3 Sone, making it one of the quieter options available. This makes it suitable for users who prioritize silent operation. The Thermalright Assassin X, while still relatively quiet, can reach noise levels of up to 25.6 dB(A) under maximum load. In this aspect, the ARCTIC P14 clearly holds the advantage, especially for users who prefer a more acoustically unobtrusive environment.
Lifespan and Durability
The ARCTIC P14 PWM PST is designed with longevity in mind, featuring a motor that runs at a lower temperature, potentially doubling its lifespan compared to traditional fans. This extended lifespan is beneficial for those looking to minimize maintenance and replacement costs. The Thermalright Assassin X also aims for durability with its quality S-FDB bearings, but it does not specifically highlight longevity features as prominently as the ARCTIC product. Overall, the P14 may be more appealing to users focused on long-term reliability.
Compatibility and Installation
The ARCTIC P14 PWM PST is versatile in its application, suitable for various situations including heatsinks and radiators, making it a great choice for custom PC builds. The Thermalright Assassin X is also compatible with a wide range of CPU sockets, including AMD AM4 and AM5 as well as various Intel sockets, which simplifies installation across different platforms. However, the installation process for both products is made easier due to their thoughtful design features, catering to both novice and experienced builders.
Price Comparison
The price difference between the two products is significant, with the ARCTIC P14 PWM PST retailing for $40.99 and the Thermalright Assassin X at $16.59. This represents a price differential of about $24.40, making the Thermalright option approximately 59% less expensive. While the lower price may attract budget-conscious consumers, it's essential to consider the additional features and performance that the ARCTIC product offers for those willing to invest more in their cooling solution.
Which should you buy?
When deciding between the ARCTIC P14 PWM PST and the Thermalright Assassin X 120R SE V2 CPU cooler, your choice ultimately depends on your specific cooling needs and budget. If you prioritize quiet operation, versatility, and longevity, the ARCTIC P14, despite its higher price, offers superior performance in those areas. However, if budget constraints are a primary concern and you need a reliable CPU cooler that provides decent performance at a lower cost, the Thermalright Assassin X is a solid choice. Ultimately, both products have their strengths, making them viable options based on user requirements.

