Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm vs Noctua NM-i17xx-MP78
Updated August 2026 — The Thermalright Peerless Assassin 120 Digital ARGB Black is a superior cooling solution, while the Noctua NM-i17xx-MP78 is a practical mounting upgrade. Choose based on your specific needs.
The Thermalright Peerless Assassin 120 Digital ARGB Black is a superior cooling solution, while the Noctua NM-i17xx-MP78 is a practical mounting upgrade. Choose based on your specific needs.
Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm is better
cooling performance
Superior dual-tower and dual-fan design
aesthetics
Features digital RGB display
noise levels
Operates quietly at 25.6 dB(A)
Why Noctua NM-i17xx-MP78 is better
price
Significantly lower cost at C$12.95
compatibility
Enables use of Noctua coolers on newer Intel sockets
installation
Straightforward installation with dedicated backplate
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm | Noctua NM-i17xx-MP78 |
|---|---|---|
| Max Fan Speed | 1850 RPM | N/A |
| Air Volume | 88.89 CFM | N/A |
| Noise Level | ≤25.6 dB(A) | N/A |
| Socket Compatibility | N/A | LGA1851/1700 |
| Price | C$62.90 | C$12.95 |
Dimension comparison
Overview of the Thermalright Peerless Assassin 120 Digital ARGB Black and Noctua NM-i17xx-MP78
The Thermalright Peerless Assassin 120 Digital ARGB Black is a high-performance CPU cooler priced at C$62.90, while the Noctua NM-i17xx-MP78 is a mounting upgrade kit available for C$12.95. These products serve different purposes in the realm of CPU cooling, making a direct comparison essential for users looking to enhance their systems.
The Thermalright Peerless Assassin is designed as a comprehensive cooling solution featuring advanced heat dissipation technology. In contrast, the Noctua NM-i17xx-MP78 serves as an accessory that enables compatibility between Noctua CPU coolers and specific Intel sockets, primarily LGA1851 and LGA1700. Therefore, the choice between these products hinges on whether consumers are looking for a new cooler or a mounting solution.
Performance and Cooling Efficiency
The Thermalright Peerless Assassin 120 Digital ARGB Black offers superior cooling performance with its dual-tower and dual-fan design. It operates at a maximum fan speed of 1,850 RPM and provides an impressive air volume of 88.89 CFM, ensuring effective heat dissipation for CPUs under heavy loads.
On the other hand, the Noctua NM-i17xx-MP78 does not directly impact cooling performance but allows users to mount Noctua coolers on newer Intel sockets. While it enhances the versatility of existing coolers, it does not provide cooling on its own, making it less relevant for users seeking performance upgrades.
Design and Aesthetics
The Thermalright Peerless Assassin boasts a visually striking design with a digital RGB display and a sleek black finish. Its dimensions of 138x125x162mm ensure compatibility with mainstream ATX chassis, while the dual-fan setup enhances not only cooling performance but also aesthetics.
In contrast, the Noctua NM-i17xx-MP78 is a practical component with a more utilitarian design, focused solely on functionality. It features a dedicated one-piece backplate for easy installation but lacks any aesthetic enhancements. The visual aspect is a clear differentiator where the Thermalright product excels.
Installation and Compatibility
Installation ease is a notable factor when comparing these products. The Thermalright Peerless Assassin includes a 4PIN PWM fan power supply interface, which simplifies its integration into most systems. Its design accommodates high-capacity memory and graphics cards, ensuring that users do not face compatibility issues.
The Noctua NM-i17xx-MP78 is tailored specifically for LGA1851 and LGA1700 sockets, making it an essential tool for users upgrading their systems. It enables straightforward installation of compatible Noctua coolers with outstanding reliability and optimal contact pressure, ensuring that users can efficiently utilise their existing coolers with newer Intel processors.
Price and Value
At C$62.90, the Thermalright Peerless Assassin represents a considerable investment in cooling technology, especially for users seeking top-tier performance. The dual-tower cooling system justifies its price through enhanced thermal management and longevity.
Conversely, the Noctua NM-i17xx-MP78 is priced significantly lower at C$12.95. This makes it an economical choice for users who already own a compatible Noctua cooler but need a mounting solution for newer Intel sockets. The value proposition lies in its ability to extend the usability of existing hardware without the need for a total replacement.
Noise Levels
When it comes to noise levels, the Thermalright Peerless Assassin operates at a maximum noise level of 25.6 dB(A), which is relatively quiet for a CPU cooler of its size and capability. This allows for a balanced performance that does not compromise user experience with excessive noise.
In contrast, the Noctua NM-i17xx-MP78 does not produce noise as it is merely a mounting kit. However, it supports the installation of Noctua coolers, which are known for their quiet operation. Thus, while it does not directly affect noise levels, it enables the use of coolers designed for low-noise performance.
Brand Reputation and Reliability
Thermalright has established itself as a reputable brand in the cooling market, known for its innovative solutions and performance-driven products. The Peerless Assassin 120 Digital ARGB Black reflects this with its advanced features and effective cooling capabilities.
Noctua, on the other hand, is renowned for its reliability and high-quality cooling solutions, particularly in silent operation. The NM-i17xx-MP78 enhances the adaptability of Noctua coolers, allowing users to leverage the brand's reputation for performance and efficiency, especially in quieter builds.
Which should you buy?
The choice between the Thermalright Peerless Assassin 120 Digital ARGB Black and the Noctua NM-i17xx-MP78 ultimately depends on your specific needs. If you require a complete cooling solution with superior performance and aesthetic appeal, the Thermalright cooler is the clear choice at C$62.90. However, if you already own a compatible Noctua cooler and need to upgrade your mounting solution for newer Intel sockets, the Noctua NM-i17xx-MP78 offers an excellent value at just C$12.95. Each product serves different purposes, making it essential to align your choice with your system requirements.
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.

