vsversusfinder

Noctua NH-L9x65 chromax.Black vs Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler

Updated August 2026The Noctua NH-L9x65 chromax.Black excels in compactness and quiet operation, while the Thermalright Burst Assassin 120 SE ARGB offers superior cooling performance at a budget-friendly price.

The Noctua NH-L9x65 chromax.Black excels in compactness and quiet operation, while the Thermalright Burst Assassin 120 SE ARGB offers superior cooling performance at a budget-friendly price.

Why Noctua NH-L9x65 chromax.Black is better

Compact Design

Ideal for small form factor builds

Noise Level

Quieter operation with Low-Noise Adapter

Build Quality

Award-winning design with high-end materials

Why Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler is better

Cooling Performance

Higher airflow and heat dissipation

Price

More economical option

Aesthetic Appeal

Customizable ARGB lighting

Overall score

Noctua NH-L9x65 chromax.Black
85
Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler
70

Specifications

SpecNoctua NH-L9x65 chromax.BlackThermalright Burst Assassin 120 SE ARGB CPU Air Cooler
BrandNoctuaThermalright
Socket SupportLGA1700, AM4LGA1700, AM5
Fan SpeedPWM1550 RPM
Heat PipesNone6
InstallationSecuFirm2Fastener Parts

Dimension comparison

Noctua NH-L9x65 chromax.BlackThermalright Burst Assassin 120 SE ARGB CPU Air Cooler

Introduction to CPU Coolers

When it comes to efficient CPU cooling solutions, two contenders stand out: the Noctua NH-L9x65 chromax.Black and the Thermalright Burst Assassin 120 SE ARGB. Both coolers cater to different needs and preferences, making it essential to understand their unique features before making a purchase. The Noctua is priced at C$101.95, while the Thermalright is an economical choice at C$29.90.

Design and Build Quality

The Noctua NH-L9x65 chromax.Black boasts an award-winning compact design, measuring only 65mm in height. This low-profile cooler is ideal for HTPCs and small form factor builds. Its sleek black finish adds a modern touch to any setup. In contrast, the Thermalright Burst Assassin 120 SE ARGB features a single tower design with a standard 120mm PWM fan, which offers better heat dissipation thanks to its six nickel-plated copper heat pipes. While both products have solid build quality, the choice between compactness and performance will appeal to different users.

Cooling Performance

Cooling performance is a critical factor when selecting a CPU cooler. The Noctua NH-L9x65 is recommended for CPUs with low to moderate heat dissipation. Its highly optimised NF-A9x14 fan ensures ultra-quiet operation, making it suitable for noise-sensitive environments. On the other hand, the Thermalright Burst Assassin 120 SE ARGB, with its six heat pipes and a fan speed of 1550 RPM, is designed for efficient heat dissipation, achieving an airflow of 66.17 CFM. Users looking for raw cooling power may find the Thermalright more appealing due to its superior airflow capabilities compared to the Noctua.

Noise Levels

Noise levels can significantly influence user experience in a computing environment. The Noctua NH-L9x65 is engineered to operate quietly, thanks to its Low-Noise Adapter, ensuring minimal disruption during use. The specific noise levels are not detailed, but its reputation suggests a very low noise profile. In comparison, the Thermalright Burst Assassin 120 SE ARGB operates at a noise level of 25.6 dB(A). While this is still relatively quiet, it may not match the whisper-quiet operation of the Noctua, making the latter preferable for users prioritizing silence.

Compatibility

Compatibility is crucial for ensuring that a cooler will fit with your existing hardware. The Noctua NH-L9x65 is compatible with a range of Intel and AMD sockets, including LGA1700 and AM4, and also includes an offset mounting option for better efficiency. The Thermalright Burst Assassin 120 SE ARGB also supports a wide variety of sockets, including LGA1700 and AM5, and provides mounting plates for various CPU socket platforms. Both coolers offer excellent compatibility, but users should double-check their specific motherboard requirements.

Installation Process

The installation process can vary significantly between different CPU coolers. The Noctua NH-L9x65 comes with the SecuFirm2 mounting system, designed for easy installation across various Intel and AMD platforms. This straightforward approach minimizes installation headaches. In contrast, the Thermalright Burst Assassin 120 SE ARGB also features a user-friendly installation process, aided by its included fastener parts. Both coolers prioritise ease of installation, but the Noctua’s dedicated mounting system may provide an edge in user satisfaction.

Aesthetic Appeal

For users who value the visual aspect of their build, aesthetics can be a deciding factor. The Noctua NH-L9x65 chromax.Black presents a sleek, all-black design that fits seamlessly into modern builds. Conversely, the Thermalright Burst Assassin 120 SE ARGB incorporates ARGB lighting, enhancing its visual appeal with customizable lighting effects. While the Noctua appeals to those seeking a minimalist look, the Thermalright may attract users who prefer vibrant RGB lighting in their setup.

Which should you buy?

Choosing between the Noctua NH-L9x65 chromax.Black and the Thermalright Burst Assassin 120 SE ARGB ultimately depends on your specific needs and preferences. If you prioritise a compact, quiet cooler for low to moderate heat CPUs, the Noctua is an excellent choice at C$101.95. However, if you're looking for a more budget-friendly option with better cooling performance and aesthetic lighting at just C$29.90, the Thermalright is hard to beat. Consider your requirements for noise levels, cooling performance, and design before making your final decision.

versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Noctua NH-L9x65 chromax.Black vs Thermalright Burst Assassin 120 SE ARGB CPU Air Cooler | versusfinder