be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 vs Thermalright TL-C12C X3 CPU Fan
Updated August 2026 — be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 leads on design and build quality.
The be quiet! Pure Rock Pro 3 offers superior cooling performance and quieter operation, making it the better choice for high-performance needs. The Thermalright TL-C12C X3 is a budget-friendly option suitable for general use.
Why be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 is better
Cooling Performance
Superior cooling for demanding workloads.
Noise Levels
Quieter operation compared to TL-C12C X3.
Compatibility
Wider socket compatibility for various builds.
Why Thermalright TL-C12C X3 CPU Fan is better
Price
Significantly cheaper than Pure Rock Pro 3.
Weight
Lightweight and easy to install.
Versatility
Can be used as both a case fan and CPU cooler.
Overall score
Specifications
| Spec | be quiet! Pure Rock Pro 3 Black CPU Air Cooler | 6 | Thermalright TL-C12C X3 CPU Fan |
|---|---|---|
| Cooling Type | Air | Fan |
| Max RPM | 1500 | 1550 |
| Noise Level | Quiet | 25.6 dBA |
| Socket Compatibility | AM4/AM5/LGA | General |
| Fan Size | 120mm | 120mm |
Dimension comparison
Overview of the Products
In this comparison, we will be looking at the be quiet! Pure Rock Pro 3 Black CPU Air Cooler and the Thermalright TL-C12C X3 CPU Fan. The Pure Rock Pro 3 is priced at $54.90, while the TL-C12C X3 comes in significantly lower at $11.99, making it about 78% cheaper than the be quiet! cooler. This stark price difference hints at the varying features and performance levels of these two cooling solutions.
Build and Design
The be quiet! Pure Rock Pro 3 features a robust design with six high-performance 6mm heat pipes and a nickel-plated base, aimed at providing superior cooling efficiency. Its double-tower design allows for a compact fit while maintaining RAM and VRM cooler compatibility. In contrast, the Thermalright TL-C12C X3 is a 120mm case fan designed for versatility and can be used as both a case fan and a CPU cooler fan. While the TL-C12C X3 may lack the advanced features of the Pure Rock Pro 3, it is lightweight, making it easy to install in various setups.
Cooling Performance
The cooling performance of the be quiet! Pure Rock Pro 3 is tailored for demanding workloads, with a focus on maintaining peak performance even in overclocked scenarios. It pairs a powerful fan with optimized blade design to maximize airflow, ensuring efficient cooling for high-performance CPUs. The Thermalright TL-C12C X3, on the other hand, offers a maximum speed of 1550RPM, providing adequate airflow of 66.17CFM. Though it is effective for general cooling, it may not match the Pure Rock Pro 3 in handling high thermal loads.
Noise Levels
When it comes to noise levels, the be quiet! Pure Rock Pro 3 is designed to operate quietly, aligning with the brand's reputation for low-noise solutions. In comparison, the Thermalright TL-C12C X3 has a noise level of 25.6dBA, which is relatively quiet but does not provide the same level of silent operation as the Pure Rock Pro 3. Users looking for a whisper-quiet experience may prefer the be quiet! option, especially for high-performance gaming or workstation builds.
Installation Process
Installation is a breeze with both coolers, but the be quiet! Pure Rock Pro 3 stands out with its self-explanatory mounting kit, making it particularly user-friendly. This is especially beneficial for users with AM5 CPUs, as it allows for an offset mounting that centers the base plate above CPU hotspots. While the Thermalright TL-C12C X3 is also designed for straightforward installation, its simpler design may not require as much precision, making it accessible for less experienced builders.
Compatibility
The be quiet! Pure Rock Pro 3 is compatible with a wide range of sockets, including AMD's AM4 and AM5, and Intel's LGA 1700 and 1150 series. This extensive compatibility ensures that it can be utilized in various builds, especially those requiring advanced cooling solutions. On the other hand, the Thermalright TL-C12C X3 is also versatile but is mainly a case fan that can enhance CPU coolers. Its broad applicability makes it a good choice for general setups, but it may not match the specialized compatibility of the Pure Rock Pro 3.
Aesthetics
In terms of aesthetics, the be quiet! Pure Rock Pro 3 boasts a sleek black finish that combines elegance with performance. Its striking appearance can complement any PC build while also making a statement. The Thermalright TL-C12C X3, while functional, takes a more utilitarian approach to design. Its focus is on performance rather than visual appeal, which may not satisfy customers looking for a high-end aesthetic in their builds.
Which should you buy?
Choosing between the be quiet! Pure Rock Pro 3 and the Thermalright TL-C12C X3 ultimately comes down to your specific cooling needs and budget. The Pure Rock Pro 3 is significantly more expensive at $54.90 but offers superior cooling performance, quieter operation, and better compatibility with various CPU sockets. In contrast, the TL-C12C X3 is a budget-friendly option at $11.99, making it an excellent choice for users who need basic cooling without breaking the bank. If you require advanced cooling for high-performance tasks, the be quiet! cooler is the way to go. However, for general usage or budget builds, the Thermalright fan provides satisfactory performance at a fraction of the cost.

