be Quiet! Pure Loop 2 FX 240mm vs Noctua NH-L9x65 chromax.Black
Updated August 2026 — The be Quiet! Pure Loop 2 FX 240mm offers superior cooling performance and features, making it the better choice for high-performance systems. The Noctua NH-L9x65 is ideal for compact builds and budget-conscious users.
The be Quiet! Pure Loop 2 FX 240mm offers superior cooling performance and features, making it the better choice for high-performance systems. The Noctua NH-L9x65 is ideal for compact builds and budget-conscious users.
Why be Quiet! Pure Loop 2 FX 240mm is better
Cooling Performance
The Pure Loop 2 FX has dual high-speed fans for better cooling.
Features
Includes ARGB illumination and a refill port for maintenance.
Compatibility
Supports a wider range of CPU sockets.
Why Noctua NH-L9x65 chromax.Black is better
Size
The NH-L9x65 is compact and ideal for small builds.
Noise Levels
Designed for ultra-quiet operation with a Low-Noise Adaptor.
Price
More budget-friendly option.
Overall score
Specifications
| Spec | be Quiet! Pure Loop 2 FX 240mm | Noctua NH-L9x65 chromax.Black |
|---|---|---|
| Cooling Type | Liquid | Air |
| Fan Count | 2 | 1 |
| ARGB | Yes | No |
| Installation Ease | Moderate | Easy |
| Noise Level | Low | Very Low |
Dimension comparison
Overview of CPU Coolers
When it comes to CPU cooling, selecting the right cooler can significantly impact your system's performance and noise levels. In this comparison, we examine the be Quiet! Pure Loop 2 FX 240mm and the Noctua NH-L9x65 chromax.Black, both of which cater to different user needs. The be Quiet! model is priced at C$118.12, while the Noctua option is more budget-friendly at C$101.95. Each cooler has unique features designed to suit various builds and preferences, making it essential to explore their specifications in detail.
Design and Aesthetics
The design of a CPU cooler is not just about looks; it also affects airflow and compatibility. The be Quiet! Pure Loop 2 FX features a stylish all-black design with vibrant ARGB illumination, which can enhance the aesthetics of any build. In contrast, the Noctua NH-L9x65 chromax.Black offers a compact low-profile design, making it ideal for small form factor builds like HTPCs and ITX systems. The Pure Loop 2 FX has a larger size due to its 240mm radiator and dual 120mm fans, whereas the NH-L9x65 stands at only 65mm tall, ensuring it stays clear of RAM and PCIe slots.
Cooling Performance
Cooling performance is a critical factor when selecting a CPU cooler. The be Quiet! Pure Loop 2 FX is equipped with two Light Wings 120mm PWM high-speed fans, providing high air pressure for efficient cooling. This setup is especially beneficial for users pushing their CPUs to higher performance levels. On the other hand, the NH-L9x65 features a highly optimised NF-A9x14 slim 92mm fan designed for ultra-quiet operation. While the Pure Loop 2 FX is likely to perform better under heavy loads, the NH-L9x65 is recommended for CPUs with low to moderate heat dissipation, making it suitable for more casual setups.
Installation Process
Ease of installation can greatly affect user experience. The be Quiet! Pure Loop 2 FX includes an easy-to-access refill port and comes with a coolant bottle, simplifying the maintenance process. However, its larger size may require more careful planning during installation. Conversely, the Noctua NH-L9x65 includes the SecuFirm2 mounting system, which ensures easy installation on various Intel and AMD sockets, including LGA1700 and AM5. Its compact design allows for hassle-free assembly and maintenance, making it a more user-friendly option for beginners.
Noise Levels
Noise levels are an important consideration, especially for users who prefer a quiet working environment. The be Quiet! Pure Loop 2 FX prides itself on a doubly decoupled PWM pump that minimises vibration and noise during operation. This cooler is designed to operate quietly, even under load. In comparison, the NH-L9x65 includes a Low-Noise Adaptor, which further enhances its quiet operation. While both coolers are designed for low noise, the Pure Loop 2 FX may have a slight edge in performance cooling scenarios due to its additional fan.
Compatibility
Compatibility with various CPU sockets is crucial for ensuring a successful build. The be Quiet! Pure Loop 2 FX is compatible with a wide range of Intel sockets, including 1700, 1200, and 2066, as well as AMD’s AM5 and AM4 sockets. This extensive compatibility makes it a versatile choice for many users. The Noctua NH-L9x65 also supports multiple sockets, such as Intel LGA1851 and AMD AM5, but is specifically recommended for CPUs with low to moderate heat dissipation. This makes the Pure Loop 2 FX more suitable for high-performance CPUs, while the NH-L9x65 is ideal for those with lower thermal demands.
Price Comparison
Price is a significant factor when making a purchasing decision. The be Quiet! Pure Loop 2 FX is priced at C$118.12, offering extensive features and performance capabilities for users with demanding cooling needs. On the other hand, the Noctua NH-L9x65 is more budget-friendly at C$101.95, appealing to those looking for quality cooling at a lower cost. While the Pure Loop 2 FX offers more advanced features for a higher price, the NH-L9x65 provides excellent value for users with moderate cooling requirements.
Which should you buy?
Choosing between the be Quiet! Pure Loop 2 FX 240mm and the Noctua NH-L9x65 chromax.Black ultimately depends on your specific needs and build requirements. If you are building a high-performance system that requires superior cooling and has the space for a larger cooler, the Pure Loop 2 FX is the better choice with its dual fans and advanced features. However, if you are looking for a compact, budget-friendly cooler for a small form factor build or a system with lower heat dissipation, the NH-L9x65 is an excellent option. Each cooler has its advantages, so it's essential to consider your individual use case when making a decision.
versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

