Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for vs Thermalright Peerless Assassin 120 SE V2 CPU
Updated August 2026 — Thermalright Peerless Assassin 120 SE V2 CPU leads on fan size and height.
The Thermalright Peerless Assassin 120 SE V2 offers superior cooling performance and broader compatibility, making it the better choice for high-demand users. The Noctua NM-AM5/4-MP83 is a solid, budget-friendly mounting solution.
Why Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for is better
Price
Noctua kit is significantly cheaper.
Installation
Simpler installation process.
Target Audience
Ideal for users with existing Noctua coolers.
Why Thermalright Peerless Assassin 120 SE V2 CPU is better
Cooling Performance
Superior heat dissipation with dual tower design.
Compatibility
Supports both AMD and Intel sockets.
Build Quality
Robust construction with advanced features.
Overall score
Specifications
| Spec | Noctua NM-AM5/4-MP83 SecuFirm2 Mounting-Kit for | Thermalright Peerless Assassin 120 SE V2 CPU |
|---|---|---|
| Cooling Type | Mounting Kit | CPU Cooler |
| Socket Support | AM5/AM4 | AM4/AM5 & Intel |
| Fan Speed | N/A | 1850 RPM |
| Heat Pipes | N/A | 6 |
| Price | $9.95 | $38.99 |
Dimension comparison
Overview
In this comparison, we’ll pit the Noctua NM-AM5/4-MP83 SecuFirm2 Mounting Kit against the Thermalright Peerless Assassin 120 SE V2 CPU Cooler. The Noctua kit is priced at $9.95, while the Thermalright cooler comes in at $38.99. Although these products serve different purposes—mounting versus cooling—they are essential in optimizing performance for AMD processors.
Purpose
The Noctua NM-AM5/4-MP83 is a mounting upgrade kit designed specifically for Noctua CPU coolers compatible with AMD’s AM5 and AM4 sockets. It facilitates the installation of these coolers, making it an essential accessory for users looking to enhance their cooling setup. In contrast, the Thermalright Peerless Assassin 120 SE V2 functions as a stand-alone CPU cooler. Its dual tower design and six heat pipes aim to provide superior heat dissipation in high-demand scenarios like gaming and multitasking.
Compatibility
The Noctua NM-AM5/4-MP83 is tailor-made for AMD’s AM5 and AM4 sockets, allowing users to utilize their existing Noctua coolers effectively. It leverages the stock AMD backplate for installation, ensuring compatibility without extra modifications. On the other hand, the Thermalright Peerless Assassin 120 SE V2 supports a broader range of sockets, including both AMD AM4 and AM5 as well as Intel LGA1851 and 1700 platforms. This versatility makes the Thermalright cooler a more flexible option for users with mixed-architecture builds.
Cooling Performance
The Thermalright Peerless Assassin 120 SE V2 is engineered for high-performance cooling, featuring six heat pipes and dual 120mm PWM fans that can run up to 1850 RPM. This design not only enhances heat transfer efficiency but also stabilizes thermal performance, especially during high-load tasks. In contrast, the Noctua NM-AM5/4-MP83 does not provide cooling itself; rather, it ensures that compatible Noctua coolers can be installed correctly for optimal cooling performance. Thus, if cooling performance is your primary concern, the Thermalright cooler clearly stands out.
Installation
The Noctua NM-AM5/4-MP83 boasts straightforward installation, utilizing the motherboard's existing backplate, which simplifies the process significantly. The renowned SecuFirm2 quality also indicates reliability in securing the cooler. However, the installation complexity of the Thermalright Peerless Assassin 120 SE V2 may vary depending on the motherboard and case configuration, given its dual tower design. While both products are designed for ease of use, the Noctua kit may appeal to those who prefer a less involved installation process.
Price Comparison
The Noctua NM-AM5/4-MP83 is priced at a mere $9.95, making it a cost-effective choice for those looking to upgrade their mounting solutions. In contrast, the Thermalright Peerless Assassin 120 SE V2 is priced at $38.99, which is about 292% more expensive than the Noctua kit. However, the higher price of the Thermalright cooler reflects its dual tower design and advanced cooling capabilities, which may justify the investment for gamers or high-performance users.
User Base
The Noctua NM-AM5/4-MP83 primarily targets users who already own compatible Noctua coolers and require a reliable mounting solution for their AMD processors. It is an ideal choice for budget-conscious users who prioritize efficient cooling setups without the need for a complete cooler replacement. On the other hand, the Thermalright Peerless Assassin 120 SE V2 caters to users looking for a high-performance cooling upgrade for their CPU. Its features make it suitable for gamers, content creators, and anyone who demands reliable cooling under heavy workloads.
Which should you buy?
Choosing between the Noctua NM-AM5/4-MP83 and the Thermalright Peerless Assassin 120 SE V2 ultimately depends on your specific needs. If you require a simple, cost-effective mounting solution for existing Noctua coolers, the Noctua kit at $9.95 is an excellent choice. However, for those seeking a robust CPU cooler with superior performance and broader compatibility, the Thermalright unit at $38.99 offers significant advantages. Consider your setup and how each product fits into your overall cooling strategy before making a decision.

