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ARCTIC P12 Pro Reverse – 3 Pack – vs Thermalright Assassin X 120R Digital ARGB Black

Updated August 2026 — ARCTIC P12 Pro Reverse – 3 Pack – leads on aesthetics and cooling efficien.

The ARCTIC P12 Pro Reverse offers superior cooling performance and lower noise levels, while the Thermalright Assassin X 120R provides additional features like a digital display. Choose based on your priorities.

Why ARCTIC P12 Pro Reverse – 3 Pack – is better

Cooling Performance

Higher RPM up to 3000

Noise Levels

Quieter operation with fluid dynamic bearing

Price

More cost-effective at $18.49

Why Thermalright Assassin X 120R Digital ARGB Black is better

Aesthetics

Digital screen for real-time monitoring

Compatibility

Supports multiple Intel and AMD sockets

ARGB Lighting

Enhanced visual appeal with RGB features

Overall score

ARCTIC P12 Pro Reverse – 3 Pack –
85
Thermalright Assassin X 120R Digital ARGB Black
78

Specifications

SpecARCTIC P12 Pro Reverse – 3 Pack –Thermalright Assassin X 120R Digital ARGB Black
AirflowHighModerate
PWM ControlYesYes
Bearing TypeFluid DynamicStandard
InstallationEasyModerate
Price$18.49$24.90

Dimension comparison

ARCTIC P12 Pro Reverse – 3 Pack –Thermalright Assassin X 120R Digital ARGB Black

Overview of the Products

When comparing the ARCTIC P12 Pro Reverse and the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler, the main takeaway is that both products offer distinct features catering to different user needs. The ARCTIC P12 Pro Reverse is priced at $18.49 while the Thermalright Assassin X 120R costs $24.90, making the former about 17% cheaper. This price difference may be significant for budget-conscious consumers looking for efficient cooling solutions.

Design and Aesthetics

The ARCTIC P12 Pro Reverse features a unique reversed airflow design, drawing air from the back side, which is particularly suited for glass-fronted PC builds. This design not only enhances cooling but also maintains the visual appeal of the build. Conversely, the Thermalright Assassin X 120R boasts a digital screen top cover that displays essential system information such as CPU temperature and usage. This combination of functionality and aesthetics makes it an attractive choice for users who appreciate real-time monitoring along with a stylish appearance.

Cooling Performance

In terms of cooling performance, the ARCTIC P12 Pro Reverse operates at a wide range of speeds up to 3000 RPM, providing high static pressure that can efficiently penetrate through dense radiators and mesh structures. This makes it an excellent option for users who require robust cooling capabilities. On the other hand, the Thermalright Assassin X 120R features a fan speed of 2000 RPM, which still offers good heat dissipation but may not be as powerful as the ARCTIC model. Users looking for maximum cooling efficiency may prefer the ARCTIC fan's higher RPM range.

Noise Levels

Noise levels are crucial for users seeking a quiet computing experience. The ARCTIC P12 Pro Reverse is designed with a smooth-running fluid dynamic bearing that minimizes noise during operation, making it ideal for quiet environments. The Thermalright Assassin X 120R has an operating noise level of up to 29.8 dB(A), which may be slightly louder than the ARCTIC fan but still remains within a reasonable range for most users. Therefore, those prioritizing silence may lean towards the ARCTIC model.

Compatibility

Compatibility is another important consideration when selecting a cooling solution. The ARCTIC P12 Pro Reverse is a fan designed primarily for airflow and can fit a variety of cases, making it a versatile choice. In contrast, the Thermalright Assassin X 120R is compatible with multiple platforms, including Intel and AMD sockets, and comes with installation accessories tailored for these platforms. This wide compatibility makes the Thermalright cooler a suitable option for users with specific motherboard requirements.

Installation Process

The installation process can vary significantly between products. The ARCTIC P12 Pro Reverse offers a straightforward installation due to its fan design, which is user-friendly for beginners. Meanwhile, the Thermalright Assassin X 120R includes detailed installation accessories and instructions, making it easy for users to set up. However, it requires the original backplate of the motherboard for AMD installations, which could be an additional step for some users. Overall, both products cater to different levels of installation expertise.

Additional Features

The ARCTIC P12 Pro Reverse focuses on delivering high performance and reliability with features like PWM control that allows for speed adjustment down to 5% PWM, and a hydrodynamic bearing for enhanced longevity. On the other hand, the Thermalright Assassin X 120R comes equipped with a digital screen that displays real-time system metrics, making it more appealing for gamers and PC builders who want to monitor their system’s performance actively. The presence of ARGB lighting on the Thermalright cooler adds another layer of customization that may attract users looking for aesthetic enhancements.

Which should you buy?

Ultimately, your choice between the ARCTIC P12 Pro Reverse and the Thermalright Assassin X 120R will depend on your specific needs and preferences. If you prioritize cost-effectiveness and high cooling performance, the ARCTIC P12 Pro Reverse at $18.49 is a solid choice. However, if you are willing to spend a bit more for visual appeal and additional features like a digital display, the Thermalright Assassin X 120R at $24.90 may be worth the investment. Each product offers unique advantages, so consider what matters most in your build before making a decision.