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Thermalright AXP90 X36 Black Low Profile CPU Air Cooler vs Noctua NH-U9S

Updated August 2026The Noctua NH-U9S is the superior choice for performance and quiet operation, while the Thermalright AXP90 X36 Black is more budget-friendly.

The Noctua NH-U9S is the superior choice for performance and quiet operation, while the Thermalright AXP90 X36 Black is more budget-friendly.

Why Thermalright AXP90 X36 Black Low Profile CPU Air Cooler is better

price

Thermalright AXP90 X36 Black costs C$26.90

compact

Both are low-profile coolers suitable for compact builds

budget

Thermalright is aimed at budget-conscious users

Why Noctua NH-U9S is better

performance

Noctua NH-U9S has strong cooling efficiency

noise

Noctua NH-U9S offers ultra-quiet operation

installation

Noctua NH-U9S includes an easy mounting system

Overall score

Thermalright AXP90 X36 Black Low Profile CPU Air Cooler
60
Noctua NH-U9S
85

Specifications

SpecThermalright AXP90 X36 Black Low Profile CPU Air CoolerNoctua NH-U9S
Cooling TypeAirAir
Fan SpeedN/APWM
WarrantyN/A6 years
CompatibilityN/AIntel & AMD
Noise LevelN/AUltra-quiet

Dimension comparison

Thermalright AXP90 X36 Black Low Profile CPU Air CoolerNoctua NH-U9S

Price Comparison

The Thermalright AXP90 X36 Black is priced at C$26.90, significantly less than the Noctua NH-U9S, which retails for C$74.95. This price difference of C$48.05 makes the Thermalright option considerably more budget-friendly. If you are looking for a more affordable cooling solution, the Thermalright AXP90 X36 Black stands out as the economical choice. However, Noctua's higher price might reflect its reputation for quality and performance, which is often associated with premium products.

Cooling Performance

When it comes to cooling performance, the Noctua NH-U9S is designed with a compact single-tower structure that promotes strong cooling efficiency. Its optimised NF-A9 92mm fan ensures effective airflow while maintaining low noise levels, making it an ideal choice for those who prioritise a quiet operation in their builds. Although the Thermalright AXP90 X36 Black lacks specific performance metrics in the provided data, it is still positioned as a low-profile cooler, suggesting it is aimed at providing adequate cooling for compact systems. The Noctua's focus on performance and noise management gives it an edge in scenarios where these factors are critical.

Design and Compatibility

The Noctua NH-U9S features a compact design that stands at only 125mm in height, which is particularly beneficial for HTPCs, ITX, and Small Form Factor builds. This low profile ensures that it does not overhang RAM or PCIe slots on most motherboards, enhancing compatibility with various components. Conversely, the Thermalright AXP90 X36 Black is also a low-profile cooler, making it suitable for similar setups, though specific compatibility details are not provided. The clear advantage in design and compatibility goes to the Noctua NH-U9S, as its specifications are tailored to fit a wider range of configurations seamlessly.

Installation Process

For users concerned about ease of installation, the Noctua NH-U9S includes the SecuFirm2 mounting system, which simplifies the process across various Intel and AMD platforms. Additionally, it comes with high-end NT-H1 thermal paste, ensuring that users have everything needed for a straightforward setup. The Thermalright AXP90 X36 Black does not specify its installation features in the provided data, leaving potential buyers uncertain about its ease of use. Thus, the Noctua NH-U9S is better positioned for users looking for a hassle-free installation experience.

Noise Levels

Noise levels are an essential factor for many PC builders, especially in environments where quiet operation is paramount. The Noctua NH-U9S boasts a Low-Noise Adaptor and PWM support, allowing the fan to adjust its speed automatically, resulting in ultra-quiet operation. This feature is particularly appealing for users who want a cooling solution that doesn’t disrupt their working or gaming experience. The Thermalright AXP90 X36 Black does not provide specific details about its noise levels, which raises concerns about whether it can compete with the Noctua's low-noise design. Consequently, if silent performance is a priority, the Noctua NH-U9S is the clear choice.

Brand Reputation

Both Thermalright and Noctua have established themselves in the cooling market, but they attract different audiences. Noctua is renowned for its premium quality and reliability, often receiving accolades for its innovative designs and performance. With a six-year manufacturer’s warranty backing the NH-U9S, customers can feel confident in their investment. Thermalright, while respected, does not have the same level of recognition as Noctua in the higher-end market. Therefore, if brand reputation and warranty are essential to you, the Noctua NH-U9S would be a more secure option.

Use Cases

The intended use cases for both coolers may guide consumer choice. The Noctua NH-U9S is particularly suited for high-performance builds, including Intel Core and AMD Ryzen systems, thanks to its robust cooling capabilities and compatibility with various platforms. In contrast, the Thermalright AXP90 X36 Black, although a low-profile cooler, may appeal to users focused on budget-friendly options or those constructing compact systems that require efficient cooling without excessive expenditure. Depending on your specific build requirements and budget, one choice may serve better than the other.

Which should you buy?

In conclusion, the choice between the Thermalright AXP90 X36 Black and the Noctua NH-U9S hinges on your specific needs and preferences. If you are looking for an economical option and are building a compact system, the Thermalright AXP90 X36 Black offers an appealing price point at C$26.90. However, if you prioritise performance, quiet operation, and brand reliability, the Noctua NH-U9S, despite its higher cost of C$74.95, provides superior features and peace of mind with its six-year warranty. Ultimately, your decision should reflect your priorities in terms of performance, budget, and installation ease.

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Thermalright AXP90 X36 Black Low Profile CPU Air Cooler vs Noctua NH-U9S | versusfinder