Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler with 92mm Slim PWM Fan fo vs Noctua NH-U9S
Updated August 2026 — The Thermalright AXP90 X53 offers superior cooling performance at a lower price, while the Noctua NH-U9S excels in quiet operation and build quality. Choose based on your priorities.
The Thermalright AXP90 X53 offers superior cooling performance at a lower price, while the Noctua NH-U9S excels in quiet operation and build quality. Choose based on your priorities.
Why Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler with 92mm Slim PWM Fan fo is better
price
C$45.99 vs C$74.95
cooling efficiency
higher fan speed and AGHP technology
compact height
only 53mm tall
Why Noctua NH-U9S is better
noise level
optimised for quiet operation
warranty
6-year warranty
installation
SecuFirm2 mounting system
Overall score
Specifications
| Spec | Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler with 92mm Slim PWM Fan fo | Noctua NH-U9S |
|---|---|---|
| Brand | Thermalright | Noctua |
| Cooling Tech | AGHP | NF-A9 |
| Noise Level | higher | lower |
| Warranty | none | 6 years |
| Installation | complex | easy |
Dimension comparison
Overview of Thermalright AXP90 X53
The Thermalright AXP90 X53 is a compact low-profile CPU cooler designed specifically for ITX builds. With a price of C$45.99, it aims to provide effective cooling in small form factors without compromising on performance.
This cooler features an innovative AGHP technique that enhances heat transfer efficiency, doubling the effectiveness of its heat sink. It stands at only 53mm tall, making it compatible with many small motherboards. The fan, a 92mm slim PWM model, is capable of reaching speeds up to 2700RPM, contributing to its cooling prowess. Additionally, the S-FDB bearing technology ensures durability, boasting an industrial service life of up to 20,000 hours.
Overview of Noctua NH-U9S
The Noctua NH-U9S is a well-regarded CPU cooler known for its compact design and impressive cooling performance, priced at C$74.95. It’s tailored for small form factor builds, with a height of just 125mm, which provides excellent compatibility with RAM and PCIe slots.
This cooler incorporates a highly optimised NF-A9 92mm fan with PWM support, designed for low-noise operation. Notably, it comes with high-end NT-H1 thermal paste and a SecuFirm2 mounting system, making installation straightforward across various Intel and AMD socket types. The Noctua NH-U9S is also backed by a six-year warranty, reflecting the brand's commitment to quality.
Cooling Performance Comparison
The Thermalright AXP90 X53 and Noctua NH-U9S both offer strong cooling capabilities, but their designs cater to different needs. The AXP90 X53, with its innovative AGHP technique and 2700RPM fan speed, excels in heat transfer efficiency, especially in tight spaces where airflow is limited.
On the other hand, the NH-U9S, while slightly less powerful at standard speeds, utilises a well-optimised fan to maintain low noise levels, which may be more appealing for users prioritising a quiet operation. This performance difference may be noticeable under high-load scenarios, making the Thermalright a potentially better option for overclockers or users needing maximum cooling in a compact build.
Noise Levels and Operation
When it comes to noise levels, the Noctua NH-U9S has a design focused on quiet operation, thanks to its low-noise adaptor and optimised fan profile. Users can expect minimal noise during operation, making it an excellent choice for home theatre PCs or environments where noise is a concern.
In contrast, while the Thermalright AXP90 X53 features a high-speed fan, its focus is more on cooling performance than on silent operation. Although it may generate more noise due to its 2700RPM capability, it compensates with superior heat dissipation. Therefore, if silent performance is paramount, the NH-U9S may be the preferable choice.
Installation and Compatibility
Both coolers are designed for ease of installation but differ in their mounting systems. The Thermalright AXP90 X53 includes specific mounting fasteners for various CPU sockets, ensuring broad compatibility with Intel LGA and AMD AM4/AM5 platforms. However, installation may require additional steps if there are conflicts with the motherboard backplane.
Conversely, the Noctua NH-U9S simplifies the installation process with its SecuFirm2 mounting system, which is compatible with a wide range of Intel and AMD sockets, including offset mounting options for optimal efficiency. Users may find the Noctua’s installation experience to be more straightforward, especially for those less experienced with PC building.
Build Quality and Warranty
In terms of build quality, both the Thermalright AXP90 X53 and Noctua NH-U9S are well-constructed, reflecting their respective brands' reputations. The Thermalright cooler utilises an S-FDB bearing technology that enhances durability and performance, with an impressive service life of 20,000 hours.
The Noctua NH-U9S is similarly built to last, featuring high-quality components and a six-year manufacturer’s warranty. This warranty not only underscores Noctua's confidence in their product but also provides peace of mind for users. For those concerned about longevity and support, the NH-U9S may have an edge due to its extensive warranty coverage.
Price Considerations
The Thermalright AXP90 X53 is priced at C$45.99, making it a more budget-friendly option compared to the Noctua NH-U9S, which retails for C$74.95. This price difference can be significant for users on a tighter budget who still want effective cooling performance.
While the NH-U9S justifies its higher price with its premium build quality, quiet operation, and warranty, the AXP90 X53 offers solid performance for a considerably lower cost. Potential buyers should weigh their budget against the specific features and performance needs of their systems before making a decision.
Which should you buy?
Choosing between the Thermalright AXP90 X53 and the Noctua NH-U9S ultimately depends on individual requirements and preferences. The AXP90 X53 stands out for its exceptional cooling efficiency and lower price, making it a great choice for users prioritising performance in compact builds.
Conversely, the Noctua NH-U9S excels in quiet operation and build quality, backed by a generous warranty, making it ideal for users who value a silent computing experience. If budget allows and noise is a concern, the NH-U9S may be the better choice; however, for those looking for high performance at a lower cost, the AXP90 X53 is hard to beat.
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