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Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for vs Thermalright LGA1851 CPU Contact Frame - Optimized

Updated August 2026 — Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for leads on ease of install and size.

The Noctua NM-AM5/4-MP83 is the better choice for AMD users due to its compatibility and ease of installation, while the Thermalright LGA1851 is ideal for Intel users focused on durability and anti-warping features.

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

Compatibility

Designed specifically for AMD sockets.

Installation

Utilizes existing AMD backplate for easy setup.

Reputation

Noctua is known for high-quality cooling solutions.

Why Thermalright LGA1851 CPU Contact Frame - Optimized is better

Build Quality

Durable aluminum alloy construction.

Anti-Warping

Prevents CPU warping and overheating.

Material

Premium feel with anodized finish.

Overall score

Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for
88
Thermalright LGA1851 CPU Contact Frame - Optimized
82

Specifications

SpecNoctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit forThermalright LGA1851 CPU Contact Frame - Optimized
Socket TypeAM5/AM4LGA 1851
MaterialPlasticAluminum
Installation MethodBackplateScrew
Warranty2 years1 year
Cooling EfficiencyHighMedium

Dimension comparison

Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit forThermalright LGA1851 CPU Contact Frame - Optimized

Overview of Noctua NM-AM5/4-MP83 and Thermalright LGA1851

The Noctua NM-AM5/4-MP83 is priced at $9.95, while the Thermalright LGA1851 is slightly more expensive at $9.99. Both products are designed to enhance CPU cooler performance, but they cater to different platforms. The Noctua kit is specifically tailored for AMD sockets, while the Thermalright frame is optimized for Intel Core Ultra Series CPUs. This fundamental difference in compatibility should guide your choice depending on your CPU platform.

Compatibility

Compatibility is crucial when selecting a mounting solution. The Noctua NM-AM5/4-MP83 is designed for AMD AM5 and AM4 sockets, allowing it to work with Ryzen 5, Ryzen 7, and Ryzen 9 processors. In contrast, the Thermalright LGA1851 is specifically for Intel Core Ultra Series CPUs using LGA 1851 sockets. This means that if you are using an AMD processor, the Noctua kit is the clear choice, whereas Intel users should opt for the Thermalright frame for optimal fit.

Installation Process

Both products promise straightforward installation, yet they cater to different installation methods. The Noctua NM-AM5/4-MP83 utilizes the existing AMD backplate, making it easy to install without additional tools. Conversely, the Thermalright LGA1851 requires the use of an L-shaped screwdriver and screws to secure the frame onto the CPU. This means that while the Noctua kit offers a more user-friendly experience, the Thermalright may require a bit more effort during setup.

Build Quality and Durability

Build quality can significantly impact the longevity of your CPU mounting solution. The Noctua NM-AM5/4-MP83 is constructed with renowned SecuFirm2 quality, which is known for its reliability and optimal contact pressure. On the other hand, the Thermalright LGA1851 features a durable aluminum alloy construction, designed to prevent warping and overheating. The use of aluminum also gives the Thermalright frame a premium feel, but the Noctua's reputation for reliability may give it a slight edge in terms of long-term performance.

Functionality

Functionality is key to ensuring that your cooling system operates efficiently. The Noctua NM-AM5/4-MP83 is specifically engineered to ensure that compatible Noctua CPU coolers are mounted securely on AMD sockets, thereby enhancing cooling performance. Meanwhile, the Thermalright LGA1851 is designed to provide optimized CPU contact pressure, which helps to maintain stable temperatures by preventing CPU warping. Thus, both products serve their specific functions effectively, but their performance will ultimately depend on the CPU platform being used.

Price Comparison

The Noctua NM-AM5/4-MP83 is priced at $9.95, which makes it about 0.4% cheaper than the Thermalright LGA1851, which is available for $9.99. While the price difference is minimal, it may still be a deciding factor for budget-conscious consumers. Both products are competitively priced, but the Noctua offers a slightly lower cost, making it more appealing if you are looking to save even a few cents.

Customer Appeal

While there are no sales rank numbers provided for either product, both brands have strong reputations in the CPU cooler market. Noctua is known for its high-quality cooling solutions, which might make the NM-AM5/4-MP83 more appealing to users who prioritize reliability and performance. Alternatively, Thermalright is also recognized for its quality, and the LGA1851 frame's anti-warping features may attract users concerned about overheating and bending issues in their setups.

Which should you buy?

Choosing between the Noctua NM-AM5/4-MP83 and the Thermalright LGA1851 ultimately depends on your CPU platform and specific needs. If you're using an AMD processor, the Noctua kit is the obvious choice due to its compatibility and ease of installation. However, if you have an Intel Core Ultra Series CPU, the Thermalright frame offers a solid solution with its durable build and anti-warping features. Both products are competitively priced and offer functionality tailored to their respective platforms, ensuring that you can achieve optimal CPU cooling regardless of your choice.