be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 vs Cooler Master i70C ARGB Low Profile CPU Air Cooler
Updated August 2026 — be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 leads on cooling performa and noise level.
The be quiet! Pure Rock Pro 3 Black offers superior cooling performance and compatibility, while the Cooler Master i70C ARGB is a budget-friendly option for compact builds.
Why be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 is better
Cooling Performance
Handles high thermal loads effectively with six heat pipes.
Noise Levels
Designed for quiet operation with optimized fan.
Compatibility
Supports a wider range of CPU sockets.
Why Cooler Master i70C ARGB Low Profile CPU Air Cooler is better
Price
Significantly cheaper at $19.49.
Compact Design
Ideal for low-profile systems.
Installation
Simplified brackets for easy setup.
Overall score
Specifications
| Spec | be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 | Cooler Master i70C ARGB Low Profile CPU Air Cooler |
|---|---|---|
| Heat Pipes | 6 | 1 |
| Fan Type | PWM | PWM ARGB |
| Socket Compatibility | AMD AM4/AM5, Intel LGA 1700/1150/1151/1200 | Intel LGA 1700/1851 |
| Max RPM | 1500 | 1800 |
| Material | Copper | Copper/Aluminum |
Dimension comparison
Overview of the be quiet! Pure Rock Pro 3 Black
The be quiet! Pure Rock Pro 3 Black is a high-performance CPU air cooler featuring six copper heat pipes designed for efficient heat dissipation. Priced at $54.90, it offers robust cooling capabilities while maintaining a quiet operation. This cooler is suitable for a variety of CPU sockets, including AMD AM4 and AM5, as well as Intel LGA 1700, 1150, 1151, and 1200.
The Pure Rock Pro 3 is designed with a compact offset that improves RAM and VRM compatibility, making it ideal for demanding workstations and overclocked systems. Its 120mm PWM fan is optimized for airflow, contributing to its overall cooling efficiency. The aesthetically pleasing design combines power with elegance, ensuring it not only performs well but also looks good in your build.
Overview of the Cooler Master i70C ARGB
The Cooler Master i70C ARGB is a low-profile CPU air cooler priced significantly lower at $19.49, making it about 65% cheaper than the be quiet! model. This cooler is specifically designed for Intel LGA 1700 and 1851 sockets, making it an excellent option for those with compact builds or all-in-one systems.
The i70C features a copper insert for efficient heat dissipation and a 120mm PWM ARGB fan that offers adjustable speeds ranging from 650 to 1,800 RPM. With its minimalist design and vibrant customizable lighting, the i70C not only provides effective cooling but also adds a modern touch to your setup. Its simplified bracket design makes installation straightforward, enhancing its appeal for users looking for ease of setup.
Cooling Performance
When it comes to cooling performance, the be quiet! Pure Rock Pro 3 Black is engineered with six high-performance heat pipes, which allow it to handle high thermal loads effectively. This cooler is particularly suited for overclocking, maintaining peak CPU performance under stress.
In contrast, the Cooler Master i70C offers a maximum TDP of 95W, which is suitable for standard use cases but may not perform as efficiently under extreme conditions. While it has a copper core for better heat dissipation, its performance is tailored for low-profile systems rather than high-end gaming or workstation setups. Therefore, if you're looking for maximum cooling performance, the be quiet! option stands out.
Noise Levels
The be quiet! Pure Rock Pro 3 Black is designed for quiet operation, featuring a Pure Wings 3 120mm PWM fan that minimizes noise while maximizing airflow. This makes it an excellent choice for users who prioritize a quiet computing experience, especially in environments where low noise is essential.
On the other hand, the Cooler Master i70C's dynamic PWM fan also aims to balance noise and airflow. However, its adjustable speed range allows users to prioritize either performance or quietness, depending on their needs. While the i70C is designed to be low-noise, the emphasis on a higher RPM range may lead to increased noise under load compared to the Pure Rock Pro 3, which excels in silent operation.
Installation Process
The installation process for the be quiet! Pure Rock Pro 3 Black is user-friendly, thanks to its self-explanatory mounting kit. This ease of installation is a significant advantage for users who may not be as experienced with CPU cooler setups. Its offset design also allows for better alignment with CPU hotspots, particularly beneficial for AMD AM5 users.
Conversely, the Cooler Master i70C features redesigned brackets that simplify installation specifically for Intel LGA 1700 and 1851 platforms. While it is easy to install, it is limited to these specific sockets, which may not appeal to users with a broader range of CPU compatibility requirements. For those using compatible Intel sockets, the i70C offers a straightforward installation experience.
Aesthetic Appeal
The be quiet! Pure Rock Pro 3 Black is not only functional but also visually striking. Its sleek design combines black elements with a professional look, making it a great fit for any build. This cooler makes a statement with its design, balancing performance and style effectively.
In comparison, the Cooler Master i70C ARGB features an anodized black aluminum finish and a frosted blade design that enhances its aRGB lighting effects. This cooler is particularly appealing to users who want customizable lighting in their setups. While it maintains a minimalist aesthetic, the emphasis on lighting may not resonate with users who prefer a more understated look.
Price Comparison
The pricing difference between the two coolers is substantial. The be quiet! Pure Rock Pro 3 Black is priced at $54.90, while the Cooler Master i70C is available for just $19.49, making the latter about 65% cheaper. This significant price differential may influence buyers who are looking for more budget-friendly options without compromising essential cooling features.
However, the higher price of the Pure Rock Pro 3 can be justified by its superior cooling performance, noise control, and broader compatibility. Buyers should consider whether the additional investment aligns with their performance requirements and system compatibility.
Which should you buy?
Choosing between the be quiet! Pure Rock Pro 3 Black and the Cooler Master i70C ARGB ultimately depends on your specific needs. If you prioritize high cooling performance, quiet operation, and broader compatibility across various CPU sockets, the be quiet! Pure Rock Pro 3 Black is the superior choice despite its higher price.
However, for users with limited budget constraints who require a more compact solution specifically for Intel LGA 1700 or 1851 sockets, the Cooler Master i70C ARGB offers a solid performance at an attractive price point. Consider your system's requirements and budget to make the best choice for your build.

