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Thermalright SI-100 White ARGB CPU Air Cooler vs Noctua NM-i17xx-MP78

Updated August 2026The Thermalright SI-100 offers superior cooling performance and features compared to the Noctua NM-i17xx-MP78, which is merely a mounting kit. For those needing a complete solution, the Thermalright is the clear choice.

The Thermalright SI-100 offers superior cooling performance and features compared to the Noctua NM-i17xx-MP78, which is merely a mounting kit. For those needing a complete solution, the Thermalright is the clear choice.

Why Thermalright SI-100 White ARGB CPU Air Cooler is better

cooling performance

Thermalright SI-100 provides 72.37 CFM airflow

noise level

Thermalright SI-100 operates at 27.7 dB(A)

complete solution

Thermalright SI-100 is a full cooler, not just a mounting kit

Why Noctua NM-i17xx-MP78 is better

price

Noctua NM-i17xx-MP78 costs C$12.95

installation

Noctua NM-i17xx-MP78 offers straightforward mounting for existing coolers

brand reputation

Noctua is known for reliability in the cooling market

Overall score

Thermalright SI-100 White ARGB CPU Air Cooler
85
Noctua NM-i17xx-MP78
60

Specifications

SpecThermalright SI-100 White ARGB CPU Air CoolerNoctua NM-i17xx-MP78
BrandThermalrightNoctua
PriceC$35.90C$12.95
CompatibilityIntel & AMDIntel LGA1851/1700
Cooling TypeAir CoolerMounting Kit
InstallationMetal fastenersOne-piece backplate

Dimension comparison

Thermalright SI-100 White ARGB CPU Air CoolerNoctua NM-i17xx-MP78

Overview of Thermalright SI-100 White ARGB CPU Air Cooler

The Thermalright SI-100 White ARGB CPU Air Cooler stands out with a price of C$35.90 and features a compact design suitable for small- to medium-sized computer cases. This cooler is equipped with advanced technologies including AGHP 3.0 technique, which effectively addresses the inverse gravity effect, making it versatile for various orientations. With a height of just 100mm and a weight of 0.64kg, it is designed to fit comfortably in tighter spaces without compromising on cooling performance. Its PWM fan operates at a maximum speed of 2000 RPM, delivering an impressive airflow of 72.37 CFM while maintaining a noise level of less than 27.7 dB(A), ensuring a quiet computing environment.

Overview of Noctua NM-i17xx-MP78

The Noctua NM-i17xx-MP78, priced at C$12.95, is a mounting upgrade kit specifically designed for Noctua CPU coolers. It allows for the installation of compatible coolers on Intel’s LGA1851 and LGA1700 sockets. This kit includes a tailor-made, one-piece backplate with fixed struts, offering reliable contact pressure and straightforward installation. While it lacks a cooling solution itself, it enhances the usability of existing Noctua coolers, allowing for an installation orientation that can be adjusted by 90° if space permits. This makes it an essential component for users looking to maximise their current cooler's compatibility with newer CPU sockets.

Cooling Performance Comparison

When it comes to cooling performance, the Thermalright SI-100 offers a more substantial solution with its built-in fan capable of delivering 72.37 CFM airflow at 2000 RPM. This cooler is designed to handle thermal loads effectively, providing a significant advantage for those looking to maintain lower CPU temperatures during intensive tasks. In contrast, the Noctua NM-i17xx-MP78 does not provide cooling on its own; rather, it is an accessory that enhances the compatibility of existing Noctua coolers with newer socket types. Therefore, if cooling performance is your primary concern, the Thermalright SI-100 is the superior choice.

Noise Levels in Operation

The Thermalright SI-100 operates at a maximum noise level of 27.7 dB(A), which is relatively quiet for a CPU cooler delivering high airflow. This low noise output ensures that users can enjoy a peaceful computing environment even during demanding tasks. On the other hand, the Noctua NM-i17xx-MP78 does not directly contribute to noise levels since it is purely a mounting kit. As a result, if noise reduction is a priority, the Thermalright SI-100 stands out as the better option, providing efficient cooling with minimal sound.

Installation Ease

The installation process for the Thermalright SI-100 is straightforward, featuring metal fasteners compatible with both Intel and AMD platforms. Its compact design and clear installation instructions cater to a wide range of users, from novices to seasoned builders. In comparison, the Noctua NM-i17xx-MP78 offers an easy installation experience as well, thanks to its dedicated one-piece backplate that ensures optimal contact pressure. However, it is essential to note that the NM-i17xx-MP78 is not a standalone cooler but rather an upgrade kit. Therefore, if you're looking for a complete solution with straightforward installation, the Thermalright SI-100 is the more comprehensive choice.

Brand Reputation and Support

Thermalright is a well-established brand with over 20 years in the industry, known for its commitment to research and development in computer accessories. This background gives users confidence in the quality and reliability of the Thermalright SI-100. Meanwhile, Noctua is also highly regarded in the cooling market, famous for its reliability and performance. However, the NM-i17xx-MP78 serves a more niche purpose as a mounting kit, which may limit its brand impact compared to a full cooler. Both brands offer quality products, but Thermalright's comprehensive cooling solution may be more appealing to a broader audience.

Price-to-Value Analysis

The Thermalright SI-100 is priced at C$35.90, reflecting its advanced cooling capabilities and technology. In contrast, the Noctua NM-i17xx-MP78 is significantly cheaper at C$12.95, but it is essential to consider that it is merely a mounting kit and does not provide cooling on its own. For users who need a complete cooling solution, the price of the Thermalright SI-100 offers better value for the investment. The NM-i17xx-MP78 may be a valuable addition for users already equipped with compatible Noctua coolers but does not deliver value as a standalone product.

Which should you buy?

When deciding between the Thermalright SI-100 White ARGB CPU Air Cooler and the Noctua NM-i17xx-MP78, the choice largely depends on your specific needs. If you require a robust cooling solution with advanced features and quiet operation, the Thermalright SI-100 is the clear winner at C$35.90. However, if you already own a compatible Noctua cooler and need to upgrade for new Intel sockets, the Noctua NM-i17xx-MP78 offers an affordable option at C$12.95. Ultimately, for those seeking performance and efficiency, the Thermalright SI-100 is the recommended choice.

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Thermalright SI-100 White ARGB CPU Air Cooler vs Noctua NM-i17xx-MP78 | versusfinder