ARCTIC P9 Max - PC Fan, High-Performance vs Thermalright Peerless Assassin 120 Mini Black CPU
Updated August 2026 — ARCTIC P9 Max - PC Fan, High-Performance wins on noise level, Thermalright Peerless Assassin 120 Mini Black CPU wins on compatibility and cooling power.
The ARCTIC P9 Max is an excellent budget-friendly case fan, while the Thermalright Peerless Assassin 120 Mini excels in CPU cooling performance. Choose based on your specific needs.
Why ARCTIC P9 Max - PC Fan, High-Performance is better
Price
ARCTIC P9 Max is significantly cheaper at $9.99.
RPM Range
P9 Max offers a wider RPM range of 450-4300.
Silent Operation
P9 Max features a 0dB mode for silent operation.
Why Thermalright Peerless Assassin 120 Mini Black CPU is better
Airflow
Peerless Assassin has a higher maximum airflow of 66.87 CFM.
Cooling Efficiency
Advanced AGHP technology enhances cooling performance.
Build Quality
Peerless Assassin features a robust design with six heat pipes.
Overall score
Specifications
| Spec | ARCTIC P9 Max - PC Fan, High-Performance | Thermalright Peerless Assassin 120 Mini Black CPU |
|---|---|---|
| Bearing Type | Fluid Dynamic | S-FDB |
| Connector | 4-pin | 4-pin |
| Static Pressure | 6.17 mmH₂O | N/A |
| Material | Plastic | Aluminum |
| Compatibility | Universal | Intel/AMD |
Dimension comparison
Overview of ARCTIC P9 Max and Thermalright Peerless Assassin 120 Mini
The ARCTIC P9 Max is a high-performance 92 mm PWM case fan priced at $9.99, whereas the Thermalright Peerless Assassin 120 Mini is a CPU cooler featuring a 120 mm PWM fan available for $34.39. This price difference of about 245% indicates that these products cater to different cooling needs and applications.
The P9 Max is designed primarily for case ventilation, allowing for adjustable speeds between 450 and 4300 RPM, which optimizes airflow and static pressure. In contrast, the Peerless Assassin 120 Mini focuses on CPU cooling, utilizing advanced AGHP technology for efficient heat dissipation. Both products are notable in their categories but serve distinct purposes in a computer build.
Performance Comparison
In terms of performance, the ARCTIC P9 Max offers a wide RPM range, making it suitable for versatile cooling situations. It can operate at a maximum speed of 4300 RPM, delivering an airflow of 58.25 CFM. This makes it particularly effective in scenarios where high static pressure is necessary, such as on heat sinks and radiators.
On the other hand, the Thermalright Peerless Assassin 120 Mini boasts a fan speed of 1500 RPM with a maximum airflow of 66.87 CFM. While it operates at a lower RPM than the P9 Max, its larger 120 mm fan size allows it to move more air, making it a capable option for cooling CPUs. The difference in airflow capacity makes the Peerless Assassin more suitable for maintaining optimal CPU temperatures.
Noise Levels and Operation
The noise levels vary significantly between the two products, which is an essential factor for many users. The ARCTIC P9 Max operates silently at low speeds, particularly in its 0dB mode. This feature allows it to remain completely silent until the workload requires increased airflow.
Conversely, the Thermalright Peerless Assassin 120 Mini has a maximum noise level of 25.6 dB. While it may produce more sound than the P9 Max, it is still relatively quiet for a CPU cooler. Users who prioritize silence may prefer the P9 Max, but those needing effective CPU cooling will find the noise level of the Peerless Assassin acceptable.
Build Quality and Design
In terms of build quality, the ARCTIC P9 Max utilizes fluid dynamic bearing technology, which enhances its lifespan and ensures silent operation. The fan's design is sleek, with a focus on performance and efficiency, making it a visually appealing option for those concerned with aesthetics.
The Thermalright Peerless Assassin 120 Mini features a robust design with six heat pipes and a fully blackened aluminum body. This cooler not only looks striking but also employs advanced AGHP technology to improve heat dissipation efficiency. The attention to detail in both the design and functionality makes the Peerless Assassin a strong contender in its category.
Compatibility
Compatibility is another significant aspect when choosing between these products. The ARCTIC P9 Max is a versatile fan compatible with various cases and cooling setups, making it an excellent choice for those looking to enhance airflow in their system. Its 4-pin connector allows for PWM control, accommodating a range of motherboards.
In comparison, the Thermalright Peerless Assassin 120 Mini is explicitly designed for CPU cooling and is compatible with a variety of Intel and AMD sockets, including LGA 1700 and AM5. This specific compatibility is crucial for users looking to replace or upgrade their CPU cooler without compatibility issues.
Price Analysis
When comparing the prices of these two products, the ARCTIC P9 Max is significantly more affordable at $9.99, while the Thermalright Peerless Assassin 120 Mini is priced at $34.39. This price difference of approximately $24.40 may influence budget-conscious consumers, especially those who only require additional case cooling.
However, the higher price of the Peerless Assassin reflects its advanced cooling capabilities and the technology incorporated into its design. For users who need a reliable CPU cooler, the investment in the Thermalright may be justified by its performance and durability.
User Experience and Reviews
While direct user reviews are not included in the data, the specifications suggest that both products are well-regarded within their respective categories. Users of the ARCTIC P9 Max likely appreciate its silent operation and high RPM range, ideal for customizable cooling solutions.
On the other hand, those who opt for the Thermalright Peerless Assassin 120 Mini may value its efficiency in cooling CPUs, particularly in high-performance setups. The presence of AGHP technology suggests a focus on innovative design, which may appeal to users looking for advanced cooling solutions.
Which should you buy?
Choosing between the ARCTIC P9 Max and the Thermalright Peerless Assassin 120 Mini largely depends on your specific cooling needs. If you're looking for a budget-friendly case fan that offers high RPM capabilities and silent operation, the ARCTIC P9 Max is an excellent choice at just $9.99.
However, if your priority is effective CPU cooling, the Thermalright Peerless Assassin 120 Mini, priced at $34.39, provides superior performance with its advanced technology and airflow capabilities. Ultimately, your decision should align with your cooling requirements, system compatibility, and budget constraints.

