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AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S vs Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes

Updated August 2026The Thermalright Assassin X 120R SE Plus offers superior cooling performance and broader compatibility compared to the AMD AM4 Backplate. However, for those on a budget, the backplate is a cost-effective solution.

The Thermalright Assassin X 120R SE Plus offers superior cooling performance and broader compatibility compared to the AMD AM4 Backplate. However, for those on a budget, the backplate is a cost-effective solution.

Why AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S is better

lower price

C$5.85 vs C$25.59

specific design

optimized for AMD AM4 socket

easy installation

straightforward setup for DIY enthusiasts

Why Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes is better

better cooling

maximum airflow of 66.17 CFM

broader compatibility

supports both AMD and Intel sockets

longer lifespan

up to 20,000 hours of service life

Overall score

AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S
65
Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes
85

Specifications

SpecAMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - SThermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes
BrandHuGuWdyThermalright
MaterialABS, CopperPBT, PC
Socket CompatibilityAM4AM4/AM5, Intel
Fan TypeN/APWM
Installation Easeeasyeasy

Dimension comparison

AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - SThermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes

Overview of Products

In this comparison, we examine the AMD AM4 Backplate, a CPU heatsink bracket priced at C$5.85, against the Thermalright Assassin X 120R SE Plus CPU Cooler, which retails for C$25.59. The AMD AM4 Backplate is designed specifically to enhance the stability and cooling efficiency of AMD AM4 socket processors, while the Thermalright Assassin X 120R SE Plus is a more comprehensive cooling solution featuring advanced fan technology.

Design and Build Quality

The AMD AM4 Backplate boasts a precision-crafted design that ensures a secure fit for AMD AM4 socket motherboards. Made from high-quality ABS plastic and copper, it focuses on optimizing heat dissipation. In contrast, the Thermalright Assassin X 120R SE Plus features a robust design with four 6mm heat pipes and double PWM fans. With a focus on longevity, it incorporates S-FDB bearings that promise up to 20,000 hours of service life, offering durability alongside performance.

Cooling Performance

The AMD AM4 Backplate is engineered to maintain stable mounting pressure, which is crucial for effective heat transfer between the CPU and cooling solution. It aims to enhance the cooling capabilities of the existing heatsink. On the other hand, the Thermalright Assassin X 120R SE Plus, with its dual fans, achieves a maximum airflow of 66.17 CFM while maintaining noise levels below 25.6 dB(A). This indicates that it not only cools effectively but does so quietly, making it suitable for users who value a silent computing environment.

Compatibility

The AMD AM4 Backplate is exclusively compatible with AMD AM4 socket processors, ensuring a precise fit for users within that ecosystem. Its specific design caters solely to AMD systems. In comparison, the Thermalright Assassin X 120R SE Plus offers broader compatibility, supporting both AMD (AM4/AM5) and a range of Intel sockets (including 1150 to 1700), making it a versatile option for users who may switch platforms or upgrade in the future.

Price Point

At C$5.85, the AMD AM4 Backplate presents an economical choice for those looking to enhance their existing cooling setup without a significant investment. It is an ideal option for users who do not require a complete cooling solution. Conversely, the Thermalright Assassin X 120R SE Plus, priced at C$25.59, positions itself as a premium product offering advanced cooling features. This price difference reflects the broader functionality and performance enhancements provided by the CPU cooler.

User Experience and Ease of Installation

The AMD AM4 Backplate emphasizes user-friendliness with its straightforward installation process, specifically designed for the AM4 socket, which may appeal to DIY enthusiasts. Additionally, detailed product images and descriptions help customers understand the product better. On the other hand, the Thermalright Assassin X 120R SE Plus also aims for ease of installation with provided mounting plates for various CPU socket types, catering to a wide audience and enhancing the overall user experience.

Brand Reputation

The AMD AM4 Backplate is produced by HuGuWdy, a brand that specializes in specific components for AMD systems. While it may not have widespread recognition, it focuses on addressing the needs of AMD users effectively. In contrast, Thermalright has over 20 years of experience in the market, well-regarded for its quality and innovative designs in CPU cooling solutions. This established reputation may give users confidence in the reliability and performance of the Thermalright Assassin X 120R SE Plus.

Which should you buy?

Choosing between the AMD AM4 Backplate and the Thermalright Assassin X 120R SE Plus ultimately depends on your specific needs and budget. If you're looking for a cost-effective solution to enhance your existing cooling system for an AMD AM4 setup, the AMD AM4 Backplate is a solid choice. However, if you require a comprehensive cooling solution with advanced features and broader compatibility for both AMD and Intel platforms, the Thermalright Assassin X 120R SE Plus is worth the higher investment.

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AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S vs Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes | versusfinder