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Noctua NH-L9i-17xx vs Thermalright TL-S12RW X3 CPU Fan

Updated August 2026The Noctua NH-L9i-17xx offers superior performance and quiet operation, making it ideal for enthusiasts, while the Thermalright TL-S12RW X3 is a budget-friendly option for general use.

The Noctua NH-L9i-17xx offers superior performance and quiet operation, making it ideal for enthusiasts, while the Thermalright TL-S12RW X3 is a budget-friendly option for general use.

Why Noctua NH-L9i-17xx is better

Performance

Noctua excels in thermal management and quiet operation.

Design

Compact design fits small form factor cases.

Warranty

6-year warranty reflects brand confidence.

Why Thermalright TL-S12RW X3 CPU Fan is better

Price

More affordable option at C$19.90.

Aesthetics

Unique pure white design with ARGB.

Versatility

Can be used as both case and CPU fan.

Overall score

Noctua NH-L9i-17xx
85
Thermalright TL-S12RW X3 CPU Fan
65

Specifications

SpecNoctua NH-L9i-17xxThermalright TL-S12RW X3 CPU Fan
Fan SpeedPWM1500 RPM
Air Pressure1.5 mm H2O1.31 mm H2O
CompatibilityLGA1700, LGA1851General
Bearing TypeNF-A9x14S-FDB V2
Warranty6 yearsNot specified

Dimension comparison

Noctua NH-L9i-17xxThermalright TL-S12RW X3 CPU Fan

Overview of the Noctua NH-L9i-17xx and Thermalright TL-S12RW X3 CPU Fan

The Noctua NH-L9i-17xx is a premium CPU cooler priced at C$59.95, while the Thermalright TL-S12RW X3 CPU Fan offers a more budget-friendly option at C$19.90. Both products cater to different market segments, with the Noctua targeting enthusiasts seeking high performance and the Thermalright appealing to value-conscious consumers looking for effective cooling solutions.

Noctua's offering is notable for its compact design, measuring only 37mm in height, making it ideal for small form factor setups. In contrast, the Thermalright fan has a standard size of 120mm x 120mm, which may limit its use in compact cases but provides versatility in various cooling applications. Each fan targets unique user needs, making the comparison crucial for potential buyers.

Design and Aesthetics

The Noctua NH-L9i-17xx features a proven premium heatsink design that boasts over 200 awards from international hardware websites, highlighting its reputation in the market. Its compact footprint ensures compatibility with all ITX, Micro-ATX, and ATX motherboards, allowing users to build systems without worrying about fitting issues.

On the other hand, the Thermalright TL-S12RW X3 CPU Fan stands out with its unique pure white design complemented by slim ARGB lines. This aesthetic appeal can enhance the overall look of a PC build. The soft silicone feet incorporated into its design help reduce noise levels, making it a visually pleasing yet practical option for different setups.

Performance Capabilities

The Noctua NH-L9i-17xx is equipped with a renowned NF-A9x14 slim 92mm fan that utilises PWM for automatic speed control, providing full cooling performance under load while remaining whisper quiet at idle. This translates to excellent thermal management, particularly for moderate heat loads, making it suitable for Intel’s LGA1851 and LGA1700 platforms.

Conversely, the Thermalright TL-S12RW X3 boasts a maximum speed of 1500 RPM, generating an airflow of 47.6 CFM with a noise level of just 23.2 dBA. This performance is sufficient for many cooling applications, but it is tailored more for case cooling rather than direct CPU cooling. The S-FDB V2 bearing further enhances its reliability, ensuring a long operational lifespan.

Compatibility and Installation

Noctua has made installation straightforward with the NH-L9i-17xx by including a SecuFirm2 mounting system compatible with Intel LGA1700 and LGA1851 CPUs. This ease of installation is a significant plus for users who may not have extensive experience in building PCs, as it simplifies the setup process.

In comparison, the Thermalright TL-S12RW X3 is versatile enough to be used as both a case fan and as an auxiliary cooling solution for CPU coolers. However, its installation may require more consideration, depending on the specific use case and the cooling setup. This dual functionality adds to its value, particularly for those looking to enhance airflow within their cases.

Noise Levels and Operational Efficiency

One of the standout features of the Noctua NH-L9i-17xx is its ability to maintain a whisper-quiet operation, even under load. This is particularly important for users who prioritise a silent computing experience, such as gamers or content creators who need to focus without distracting noise.

The Thermalright TL-S12RW X3, while also designed to operate quietly with a maximum noise level of 23.2 dBA, may not reach the same level of silence as the Noctua. However, it strikes a good balance between performance and noise, making it a suitable option for users with standard cooling needs who are not overly sensitive to sound.

Price and Value Proposition

At C$59.95, the Noctua NH-L9i-17xx commands a higher price point, reflecting its premium build quality and performance capabilities. This price may be justified for enthusiasts and those needing reliable cooling for high-performance CPUs, particularly in compact builds.

In stark contrast, the Thermalright TL-S12RW X3 is priced at an attractive C$19.90, which makes it an appealing option for budget-conscious consumers. While it may lack some of the high-end features of the Noctua, it still offers good cooling performance and aesthetic appeal, making it a solid choice for general use.

Brand Reputation and Warranty

Noctua is well-known for its high-quality products and exceptional customer service, supported by a 6-year manufacturer’s warranty. This long warranty period reflects the brand's confidence in its products and assures users of durability and reliability over time.

Thermalright, while also respected, does not highlight a specific warranty period in the provided information. However, the S-FDB V2 bearing indicates a focus on longevity and performance. Consumers might weigh the warranty and brand reputation heavily when making their decision, particularly if they value long-term support.

Which should you buy?

Choosing between the Noctua NH-L9i-17xx and the Thermalright TL-S12RW X3 CPU Fan ultimately depends on your specific needs and budget. If you require a high-performance cooler that excels in compact spaces and offers silent operation, the Noctua NH-L9i-17xx is the superior choice, albeit at a higher price of C$59.95.

However, if you're looking for an affordable and effective cooling solution that can also serve as a case fan, the Thermalright TL-S12RW X3 provides great value at just C$19.90. In summary, the decision boils down to whether you prioritise premium performance and quietness or a budget-friendly option with decent performance.

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Noctua NH-L9i-17xx vs Thermalright TL-S12RW X3 CPU Fan | versusfinder