ARCTIC P14 PWM PST - PC Fans, vs Thermalright Assassin King 120 SE White ARGB CPU
Updated August 2026 — ARCTIC P14 PWM PST - PC Fans, wins on lifespan and cooling efficien, Thermalright Assassin King 120 SE White ARGB CPU wins on value for money and compatibility.
The ARCTIC P14 PWM PST excels in quiet operation and longevity, making it ideal for case cooling, while the Thermalright Assassin King 120 SE offers a budget-friendly CPU cooling solution with appealing aesthetics.
Why ARCTIC P14 PWM PST - PC Fans, is better
Noise Level
P14 PWM PST operates at 0.3 Sone, significantly quieter than Assassin King.
Lifespan
P14 PWM PST features advanced motor technology for longer service life.
Airflow Range
P14 PWM PST has a broader RPM range for better adaptability.
Why Thermalright Assassin King 120 SE White ARGB CPU is better
Price
Assassin King is significantly cheaper at $19.82.
Aesthetics
Assassin King features ARGB lighting for enhanced visual appeal.
Compatibility
Assassin King supports multiple CPU sockets for versatile installation.
Overall score
Specifications
| Spec | ARCTIC P14 PWM PST - PC Fans, | Thermalright Assassin King 120 SE White ARGB CPU |
|---|---|---|
| RPM Range | 200-1700 | 1550 |
| Price | $40.99 | $19.82 |
| Lifespan | 4x longer | 20,000 hours |
| Airflow | 72.8 CFM | 66.17 CFM |
| Static Pressure | 2.40 mmH₂O | N/A |
Dimension comparison
Overview of the ARCTIC P14 PWM PST and Thermalright Assassin King 120 SE
The ARCTIC P14 PWM PST is a 140mm case fan pack priced at $40.99, while the Thermalright Assassin King 120 SE is a CPU cooler priced at $19.82. Both products cater to cooling solutions, but they serve different purposes in a computer setup. The P14 PWM PST focuses on case ventilation and airflow efficiency, and the Assassin King 120 SE aims to provide effective cooling for CPUs, making them suitable for different types of users.
Design and Aesthetics
The ARCTIC P14 PWM PST features a sleek black design that fits well with most build aesthetics. It’s optimized for static pressure, ensuring efficient cooling even in restrictive environments. The Thermalright Assassin King 120 SE, on the other hand, offers a white finish with ARGB lighting, making it visually appealing, especially in setups where aesthetics are important. While the P14 PWM PST emphasizes functionality, the Assassin King 120 SE brings a blend of performance and style to the table, thus catering to users who prioritize both cooling efficiency and visual appeal.
Performance and Efficiency
In terms of performance, the ARCTIC P14 PWM PST can operate between 200 to 1700 RPM, delivering an airflow of 72.8 CFM and a static pressure of 2.40 mmH₂O. This range allows it to adapt to various cooling demands, ensuring quiet operation at low speeds while ramping up for maximum cooling when necessary. Conversely, the Thermalright Assassin King 120 SE boasts a fan speed of 1550 RPM, achieving a maximum airflow of 66.17 CFM with a noise level of up to 25.6 dB(A). While both products perform well, the ARCTIC P14 PWM PST offers a broader RPM range, potentially providing better adaptability for different cooling scenarios.
Installation Ease
The ARCTIC P14 PWM PST is designed for straightforward installation in cases, making it user-friendly for both novice and experienced builders. The Thermalright Assassin King 120 SE comes with metal fasteners compatible with multiple CPU sockets, including AMD and Intel platforms. It also features a relatively compact design at 148mm in height, suitable for medium-sized cases. Both products aim for easy installation, but the Assassin King’s versatility with CPU sockets may appeal more to users who frequently upgrade their systems.
Longevity and Build Quality
The ARCTIC P14 PWM PST is built with a motor that operates at a lower temperature, which significantly extends its lifespan. The manufacturer claims that a 10 °C reduction in motor temperature can double the life span, with the new motor technology providing a fourfold increase in service life compared to earlier models. The Thermalright Assassin King 120 SE also emphasizes durability, boasting a service life of up to 20,000 hours and utilizing S-FDB bearings for long-lasting performance. While both products focus on longevity, the P14 PWM PST appears to have a more advanced motor technology specifically designed for extended use.
Noise Levels
The ARCTIC P14 PWM PST operates at a noise level of just 0.3 Sone, making it an extremely quiet option for users who prioritize sound levels in their builds. The Thermalright Assassin King 120 SE, while also designed to be quiet, has a maximum noise level of 25.6 dB(A). This makes the P14 PWM PST a better choice for silent PC builds or environments where noise reduction is critical. If noise is a major concern, the ARCTIC P14 PWM PST clearly has the advantage.
Price Comparison
The ARCTIC P14 PWM PST is priced at $40.99, which positions it as a premium option for case fans. In contrast, the Thermalright Assassin King 120 SE is significantly cheaper at $19.82, making it about 51% less expensive. This price difference may make the Assassin King more attractive for budget-conscious consumers looking for effective CPU cooling solutions without breaking the bank. However, users must weigh the price against the performance and features offered by each product.
Which should you buy?
Choosing between the ARCTIC P14 PWM PST and the Thermalright Assassin King 120 SE ultimately depends on your specific cooling needs. If you're looking for efficient case fans that provide quiet operation and longevity, the ARCTIC P14 PWM PST is the superior option. However, if you need a budget-friendly CPU cooler with decent performance and an appealing aesthetic, the Thermalright Assassin King 120 SE represents a solid choice. Consider your priorities—whether it’s maximum cooling efficiency, noise levels, or overall cost—to make the best decision for your build.

