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Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for vs Thermalright AXP90 X47 Full Low Profile CPU Cooler,

Updated August 2026 — Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for wins on mounting pitch, Thermalright AXP90 X47 Full Low Profile CPU Cooler, wins on width and depth.

The Noctua NM-AM5/4-MP83 is a budget-friendly mounting kit, while the Thermalright AXP90 X47 offers a complete cooling solution. Depending on your needs, one may be more suitable than the other.

Why Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for is better

Price

Noctua is significantly cheaper at $9.95.

Installation

Simpler installation process for existing Noctua coolers.

Targeted Use

Designed specifically for Noctua coolers on AMD sockets.

Why Thermalright AXP90 X47 Full Low Profile CPU Cooler, is better

Cooling Performance

Thermalright provides active cooling.

Versatility

Supports multiple CPU socket types.

Build Quality

Features a pure copper base for better heat conductivity.

Overall score

Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for
65
Thermalright AXP90 X47 Full Low Profile CPU Cooler,
85

Specifications

SpecNoctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit forThermalright AXP90 X47 Full Low Profile CPU Cooler,
Price$9.95$33.99
Cooling TypePassiveActive
Noise LevelN/A22.4 dB(A)
CompatibilityAM5/AM4AM4/AM5, Intel
MaterialN/ACopper

Dimension comparison

Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit forThermalright AXP90 X47 Full Low Profile CPU Cooler,

Overview of Noctua NM-AM5/4-MP83 and Thermalright AXP90 X47

The Noctua NM-AM5/4-MP83 is priced at $9.95, while the Thermalright AXP90 X47 is notably higher at $33.99. This price difference of about 242% raises questions about what each product offers and whom they are intended for. The Noctua product serves as a mounting kit specifically designed for AMD AM5 and AM4 sockets, while the Thermalright cooler is a full low-profile CPU cooler suitable for various Intel and AMD sockets. Both products cater to different needs within the CPU cooling market.

Design and Build Quality

The Noctua NM-AM5/4-MP83 is an upgrade mounting kit that utilizes the motherboard's stock AMD backplate for straightforward installation. Its design focuses on reliability and optimal contact pressure, ensuring that Noctua CPU coolers can be securely mounted on AMD processors. In contrast, the Thermalright AXP90 X47 boasts a low-profile design with a total height of only 47mm, making it exceptionally compact. Its build features a pure copper base that enhances heat conductivity, complemented by a 92mm PWM fan for efficient cooling. The use of copper in the AXP90 X47 suggests a focus on effective thermal management.

Cooling Performance

When it comes to cooling capability, the Thermalright AXP90 X47 is specifically engineered for better heat dissipation. It incorporates four heat pipes and a 92mm PWM fan, with an airflow of 42.58 CFM and a noise level of 22.4 dB(A). This setup ensures that the cooler can effectively manage CPU temperatures during intensive tasks. The Noctua NM-AM5/4-MP83, however, does not provide cooling on its own, as it is merely a mounting kit. Therefore, the Thermalright AXP90 X47 is undeniably superior in terms of active cooling performance.

Compatibility and Installation

The Noctua NM-AM5/4-MP83 is tailored for Noctua CPU coolers with an 83mm mounting pitch, specifically enabling installation on AMD AM5 and AM4 sockets for Ryzen 5, 7, and 9 processors. This makes it a viable choice for users who already own compatible Noctua coolers. Conversely, the Thermalright AXP90 X47 supports a broader range of platforms, including Intel’s LGA 1150, 1151, 1200, and 1700 sockets, alongside AMD’s AM4 and AM5. This wider compatibility makes the AXP90 X47 more versatile for users with mixed builds or those who might switch between different CPU families in the future.

Price Comparison

The Noctua NM-AM5/4-MP83 is currently available for $9.95, while the Thermalright AXP90 X47 retails for $33.99. This substantial difference of about $24 indicates that the Noctua product is significantly more budget-friendly, making it an attractive option for users looking to upgrade their mounting solutions without breaking the bank. However, the price of the Thermalright cooler reflects its added functionality as a complete cooling solution, which could justify the investment for users needing effective CPU cooling.

Application Scenarios

The Noctua NM-AM5/4-MP83 is ideal for users who already own Noctua coolers and require a reliable mounting solution for newer AMD sockets. Its straightforward installation process makes it suitable for DIY enthusiasts who want to upgrade their systems without additional complexity. On the other hand, the Thermalright AXP90 X47 is perfect for compact builds, such as ITX cases, where space is a premium. Its ability to handle multiple CPU socket types also makes it a go-to choice for those looking to future-proof their cooling solutions.

Noise Levels

While specific noise levels aren't provided for the Noctua NM-AM5/4-MP83, the Thermalright AXP90 X47 operates with a noise level of 22.4 dB(A), which is considered relatively quiet for a CPU cooler. This is particularly beneficial for users who prioritize a silent working environment. Since the Noctua product lacks a fan and is solely a mounting kit, it doesn't contribute to noise levels directly. Thus, if noise is a concern, the low-profile design of the Thermalright cooler offers a significant advantage.

Which should you buy?

Choosing between the Noctua NM-AM5/4-MP83 and the Thermalright AXP90 X47 ultimately boils down to your specific needs. If you are looking for an affordable mounting solution for an existing Noctua cooler on an AMD AM5 or AM4 CPU, the Noctua NM-AM5/4-MP83 is an excellent choice at $9.95. Conversely, if you require a comprehensive cooling solution that fits into compact spaces and offers superior heat dissipation, the Thermalright AXP90 X47 is worth the investment at $33.99. Each product serves distinct purposes, and your choice will depend on whether you need a mounting kit or a complete low-profile cooler.