Thermalright TL-S12W X3 CPU Fan 120mm Case Cooler Fan vs Noctua NH-L9i-17xx
Updated August 2026 — The Thermalright TL-S12W X3 offers great value for versatile cooling needs, while the Noctua NH-L9i-17xx excels in compact, high-performance cooling for Intel CPUs. Choose based on your specific requirements.
The Thermalright TL-S12W X3 offers great value for versatile cooling needs, while the Noctua NH-L9i-17xx excels in compact, high-performance cooling for Intel CPUs. Choose based on your specific requirements.
Why Thermalright TL-S12W X3 CPU Fan 120mm Case Cooler Fan is better
price
Thermalright is significantly cheaper at C$19.59
versatility
Can be used as both case and CPU cooler fan
package contents
Includes three fans and mounting screws
Why Noctua NH-L9i-17xx is better
performance
Higher cooling efficiency with premium design
build quality
Award-winning design and materials
compatibility
Specifically designed for Intel LGA1700 and LGA1851 CPUs
Overall score
Specifications
| Spec | Thermalright TL-S12W X3 CPU Fan 120mm Case Cooler Fan | Noctua NH-L9i-17xx |
|---|---|---|
| Max RPM | 1500 RPM | N/A |
| Noise Level | 23.2 dBA | N/A |
| Airflow | 47.6 CFM | N/A |
| Fan Type | Case Fan | Heatsink Fan |
| Warranty | N/A | 6 years |
Dimension comparison
Overview of the Thermalright TL-S12W X3 and Noctua NH-L9i-17xx
The Thermalright TL-S12W X3 CPU Fan is priced at C$19.59, while the Noctua NH-L9i-17xx is significantly higher at C$59.95. This price difference reflects their design and intended use, with each product targeting different segments of the CPU cooling market. The Thermalright fan focuses on versatile usage as a case fan, while the Noctua offers a compact, premium heatsink specifically for Intel processors.
Design and Build Quality
The Thermalright TL-S12W X3 features a standard 120mm case fan design, providing flexibility in installation and application. Its build incorporates insulation grade PBT+PC and includes soft silicone feet to reduce noise during operation. In contrast, the Noctua NH-L9i-17xx stands out with its ultra-compact 37mm height, making it suitable for small form factor cases. This design is tailored for Intel’s LGA1851 and LGA1700 platforms, ensuring compatibility with a wide range of motherboards.
Cooling Performance
Cooling performance is a critical aspect of both products. The Thermalright TL-S12W X3 boasts a maximum speed of 1500 RPM, delivering an airflow of 47.6 CFM, which enhances its cooling efficiency. Additionally, it operates at a noise level of 23.2 dBA, making it a quiet option for users. On the other hand, the Noctua NH-L9i-17xx features a renowned NF-A9x14 slim fan that utilises a Low-Noise Adaptor and PWM for automatic speed control, ensuring optimal cooling under load while remaining whisper-quiet at idle. This performance is well-suited for users who require efficient cooling in a compact design.
Compatibility
Compatibility varies significantly between the two products. The Thermalright TL-S12W X3 can be used not only as a case fan but also in conjunction with CPU coolers, making it a versatile choice for various setups. It is compatible with a wide range of cases and coolers. Conversely, the Noctua NH-L9i-17xx is specifically designed for Intel LGA1700 and LGA1851 CPUs, ensuring a tailored fit for these platforms. This focused compatibility is beneficial for users with specific Intel setups but may limit its utility for those with different hardware configurations.
Noise Levels
Noise levels are essential for many PC builders, especially for those aiming for a quiet operation. The Thermalright TL-S12W X3 operates at a maximum noise level of 23.2 dBA, which is relatively quiet for a fan of its size. In comparison, the Noctua NH-L9i-17xx is designed to be even quieter, utilising its Low-Noise Adaptor and PWM functionality to maintain a low noise profile under normal conditions. This makes it an ideal choice for users prioritising a silent computing experience.
Installation Process
The installation process differs between the two products. The Thermalright TL-S12W X3 comes with three fans, twelve mounting screws, and an instruction manual, facilitating an easy installation for users. This comprehensive package is advantageous for those looking to set up multiple fans in their system. The Noctua NH-L9i-17xx, while also straightforward to install, includes the high-end NT-H1 thermal paste and a SecuFirm2 mounting system specifically designed for Intel CPUs, streamlining the installation process for compatible systems.
Brand Reputation
Both Thermalright and Noctua have established themselves as reputable brands in the CPU cooling market. Thermalright has over 20 years of experience and is known for its focus on research and development of computer accessories, making it a popular choice among gamers and PC enthusiasts. Noctua, on the other hand, has received more than 200 awards and recommendations for its premium products, particularly for their cooling performance and build quality. This extensive recognition underscores Noctua’s commitment to quality, making it a trusted choice for serious users.
Which should you buy?
In conclusion, the choice between the Thermalright TL-S12W X3 and the Noctua NH-L9i-17xx ultimately depends on your specific needs and budget. If you are looking for a cost-effective solution with versatile applications, the Thermalright TL-S12W X3 at C$19.59 may be the better choice. However, if you require a compact, high-performance cooling solution specifically for Intel CPUs and are willing to invest more, the Noctua NH-L9i-17xx at C$59.95 is an excellent option. Each product excels in its own right, catering to different segments of the CPU cooling market.
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