ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - vs Noctua NH-L9x65
Updated August 2026 — ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - wins on aesthetics and cooling perf, Noctua NH-L9x65 wins on size and noise level.
The ID-COOLING FX240 PRO offers superior cooling performance at a lower price, making it a better choice for high-performance systems. The Noctua NH-L9x65 excels in compactness and quiet operation, ideal for small builds.
Why ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - is better
Price
FX240 PRO is $54.99, cheaper than NH-L9x65 at $69.95
Cooling Performance
FX240 PRO has a TDP of 300W, suitable for high-performance CPUs
Fan Size
FX240 PRO uses two 120mm fans for better airflow
Why Noctua NH-L9x65 is better
Noise Level
NH-L9x65 operates quietly with PWM fan and Low-Noise Adapter
Compact Design
NH-L9x65 has a low-profile design at 65mm height
Installation Ease
NH-L9x65 includes SecuFirm2 mounting system for easy setup
Overall score
Specifications
| Spec | ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - | Noctua NH-L9x65 |
|---|---|---|
| Cooling Type | Liquid | Air |
| RPM | 2900 | PWM |
| Socket Compatibility | Intel & AMD | Intel & AMD |
| Max Air Flow | 82.5 CFM | Not specified |
| Noise Level | Higher | Lower |
Dimension comparison
Overview of ID-COOLING FX240 PRO and Noctua NH-L9x65
The ID-COOLING FX240 PRO is priced at $54.99, making it about 21% cheaper than the Noctua NH-L9x65, which retails for $69.95. This price difference may appeal to budget-conscious consumers looking for high-performance cooling solutions. The FX240 PRO is a 240mm AIO liquid cooler, while the NH-L9x65 is a compact low-profile air cooler, catering to different user needs and preferences.
Cooling Performance Comparison
The ID-COOLING FX240 PRO boasts a TDP rating of 300W, indicating its ability to handle high-performance CPUs with ease. Its powerful pump operates at 2900 RPM, ensuring efficient heat dissipation. In contrast, the Noctua NH-L9x65 is designed for CPUs with low to moderate heat dissipation, making it suitable for less demanding builds. The NH-L9x65 features a slim 92mm fan, optimized for quiet operation, but may not compete with the extreme cooling capability of the FX240 PRO in high-load scenarios.
Design and Aesthetics
In terms of aesthetics, the ID-COOLING FX240 PRO features an all-black layout that can complement various PC builds, especially those with darker interiors. Its unique CD pattern on the water block adds a touch of premium design. On the other hand, the Noctua NH-L9x65 sports the brand's signature brown and beige color scheme, which may not appeal to all users. However, its compact design, with a total height of only 65mm, allows it to fit seamlessly into smaller form factor cases without overhanging RAM or PCIe slots.
Installation Process
Installing the ID-COOLING FX240 PRO can be straightforward thanks to its simple cable management system, which utilizes daisy chain connectors to reduce clutter. This can simplify the installation process for users new to liquid cooling. Conversely, the Noctua NH-L9x65 includes the SecuFirm2 mounting system, which facilitates easy installation on various CPU sockets, such as Intel LGA1851 and AMD AM4. While both coolers aim for user-friendly installation, the NH-L9x65's low-profile design may prove advantageous in tight spaces.
Noise Levels
The Noctua NH-L9x65 is designed with noise reduction in mind, featuring a PWM fan that operates quietly, aided by a Low-Noise Adapter for automatic speed control. This makes it an ideal choice for users prioritizing a silent computing experience, especially in HTPC or small form factor builds. In contrast, while the ID-COOLING FX240 PRO offers efficient cooling, its performance-focused design may result in higher noise levels under load, making it potentially less suitable for noise-sensitive environments.
Compatibility
Both the ID-COOLING FX240 PRO and the Noctua NH-L9x65 are compatible with a broad range of Intel and AMD sockets. The FX240 PRO is compatible with Intel LGA 1851/1700/1200/1151/1150/1155/1156 and AMD AM4/AM5 sockets, ensuring versatility across various builds. The NH-L9x65 also supports a wide range of sockets, including AMD AM4/AM5 and Intel LGA 1851/1700/1200/115x, making it a suitable option for many users. This broad compatibility means that both coolers can cater to a wide audience of PC builders.
Target Audience
The ID-COOLING FX240 PRO is targeted towards gamers and users engaged in high-performance computing, given its robust cooling capabilities and high TDP support. Its aesthetic appeal and efficient design make it an attractive choice for those who want both performance and style in their builds. Conversely, the Noctua NH-L9x65 is better suited for HTPCs, ITX, and small form factor builds, where space is a premium and lower noise levels are crucial. Users looking for a compact, efficient cooler will find the NH-L9x65 particularly appealing.
Which should you buy?
Choosing between the ID-COOLING FX240 PRO and the Noctua NH-L9x65 depends on your specific needs and preferences. If you require a powerful cooling solution for a high-performance system, the FX240 PRO’s superior cooling capabilities and lower price make it an excellent choice. However, if you prioritize a compact design and quieter operation, particularly in space-constrained environments, the NH-L9x65 may be the better option. Each cooler excels in its domain, so consider your priorities carefully before making a decision.

