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Noctua NH-L9x65 vs Thermalright AXP120-X67 Low Profile CPU Air Cooler

Updated August 2026 — Noctua NH-L9x65 leads on build quality and cooling performa.

The Noctua NH-L9x65 offers superior performance and quieter operation, while the Thermalright AXP120-X67 is a budget-friendly option. Overall, the NH-L9x65 is the better choice for those prioritizing quality.

Why Noctua NH-L9x65 is better

Cooling Performance

Optimized for low to moderate heat dissipation with a quiet fan.

Noise Levels

Ultra-quiet operation suitable for silent builds.

Installation

SecuFirm2 mounting system for easier setup.

Why Thermalright AXP120-X67 Low Profile CPU Air Cooler is better

Price

Significantly cheaper at $27.99.

Fan Size

Includes a larger 120mm fan.

Height

Slightly taller at 67mm, allowing for better airflow.

Overall score

Noctua NH-L9x65
85
Thermalright AXP120-X67 Low Profile CPU Air Cooler
70

Specifications

SpecNoctua NH-L9x65Thermalright AXP120-X67 Low Profile CPU Air Cooler
Price$69.95$27.99
Noise LevelQuiet26.1 dB(A)
CompatibilityLGA1700, AM4LGA1700, AM4
Fan Type92mm PWM120mm PWM
InstallationEasyModerate

Dimension comparison

Noctua NH-L9x65Thermalright AXP120-X67 Low Profile CPU Air Cooler

Overview of the Noctua NH-L9x65 and Thermalright AXP120-X67

The Noctua NH-L9x65 is priced at $69.95, while the Thermalright AXP120-X67 offers a significantly lower price of $27.99. This makes the AXP120-X67 about 60% cheaper than its competitor, which may attract budget-conscious consumers looking for effective cooling solutions. Both coolers are designed for low-profile setups, but they cater to different needs and preferences in terms of performance and aesthetics.

Design and Build Quality

The Noctua NH-L9x65 features a compact design with a total height of 65mm, making it ideal for small form factor builds, such as HTPCs and ITX systems. Its brown color scheme is distinctive and often appreciated by users who favor a specific aesthetic in their builds. On the other hand, the Thermalright AXP120-X67 has a slightly taller design at 67mm but maintains a low profile. It employs a 120mm PWM fan and six heat pipes, suggesting a robust cooling capability that may appeal to users who prioritize performance.

Cooling Performance

In terms of cooling performance, the Noctua NH-L9x65 is optimized for CPUs with low to moderate heat dissipation, and it includes a highly efficient NF-A9x14 slim fan. This fan operates quietly and offers PWM support, ensuring that it adjusts its speed based on CPU temperature. Conversely, the Thermalright AXP120-X67 is designed with a 120mm fan that can reach a maximum airflow of 59 CFM, with a noise level capped at 26.1 dB(A). This fan setup indicates that while both coolers are efficient, the AXP120-X67 may provide slightly better cooling performance for users with higher thermal demands.

Compatibility

The Noctua NH-L9x65 is compatible with a wide range of Intel and AMD sockets, including LGA1700, LGA1200, and AM4. This broad compatibility makes it a versatile choice for various builds. Meanwhile, the Thermalright AXP120-X67 also supports a range of sockets, including Intel LGA 1700 and AMD AM4. Although both coolers provide good compatibility, the wider range of socket support in the NH-L9x65 may be more appealing for users who frequently upgrade or change their components.

Installation Process

Installation is straightforward for both coolers, but the Noctua NH-L9x65 comes with the SecuFirm2 mounting system, which is designed for easy installation on both Intel and AMD platforms. This system enhances user experience by ensuring that even those with less technical expertise can set it up without difficulty. The Thermalright AXP120-X67, while also equipped for easy installation, uses metal fasteners for securing the cooler, which some users may find less convenient. Overall, the NH-L9x65 may be preferable for those who value a hassle-free installation process.

Noise Levels

Noise levels are a crucial factor for many PC builders, especially those creating quiet environments. The Noctua NH-L9x65 is known for its ultra-quiet operation, largely due to its optimized fan design and PWM control. Users can expect minimal noise, making it suitable for quiet computing scenarios. In comparison, the Thermalright AXP120-X67 operates at a noise level of up to 26.1 dB(A), which is relatively quiet but may not match the near-silent operation of the NH-L9x65. Thus, for users prioritizing low noise, the Noctua cooler has a distinct advantage.

Price and Value Proposition

At $69.95, the Noctua NH-L9x65 is a premium offering, while the Thermalright AXP120-X67 is priced at just $27.99. This represents a price difference of $41.96, making the AXP120-X67 about 60% less expensive than the NH-L9x65. For users on a tight budget or those building entry-level systems, the Thermalright cooler presents an attractive value proposition. However, the NH-L9x65's premium features and reputation for quality may justify its higher price for more discerning users.

Which should you buy?

Choosing between the Noctua NH-L9x65 and the Thermalright AXP120-X67 ultimately depends on your specific needs and budget. If you're looking for a high-quality, low-profile cooler with excellent noise performance and broad compatibility, the NH-L9x65 is a worthy investment. However, if affordability and decent cooling performance are your primary concerns, the Thermalright AXP120-X67 offers significant savings while still performing well in various setups.