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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.

The ARCTIC P12 Pro Reverse excels in airflow and quiet operation, while the Thermalright Assassin X 120R offers aesthetic appeal with its digital display. Choose based on your priorities.

Why ARCTIC P12 Pro Reverse – 3 Pack – is better

Price

ARCTIC is $4.41 cheaper

Airflow

ARCTIC supports up to 3000 RPM

Noise

ARCTIC can stop completely at low PWM

Why Thermalright Assassin X 120R Digital ARGB Black is better

Aesthetics

Thermalright has a digital screen

RGB Lighting

Thermalright features ARGB synchronization

Build Quality

Thermalright uses industrial-grade materials

Overall score

ARCTIC P12 Pro Reverse – 3 Pack –
88
Thermalright Assassin X 120R Digital ARGB Black
80

Specifications

SpecARCTIC P12 Pro Reverse – 3 Pack –Thermalright Assassin X 120R Digital ARGB Black
Max RPM30002000
Bearing TypeFDBS-FDB
PWM ControlYesYes
ARGBNoYes
MaterialPlasticPBT+PC

Dimension comparison

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

Overview of ARCTIC P12 Pro Reverse and Thermalright Assassin X 120R

The ARCTIC P12 Pro Reverse is priced at $18.49, while the Thermalright Assassin X 120R comes in at $22.90, making the ARCTIC model about 17% cheaper than its competitor. Both products cater to different cooling needs and preferences, with the ARCTIC focusing on fan performance with a unique airflow design, whereas the Thermalright emphasizes a combination of cooling and aesthetic features with its digital ARGB display.

Design and Aesthetics

The ARCTIC P12 Pro Reverse features a distinctive reversed airflow design, ideal for glass-fronted PC cases, enhancing visual appeal while ensuring effective cooling. In contrast, the Thermalright Assassin X 120R integrates a digital screen on its top cover, adding a modern touch that combines functionality with aesthetics. The ARGB lighting of the Thermalright cooler offers vibrant color options, providing not just cooling but also a visually engaging experience for users who appreciate customizable RGB setups.

Cooling Performance

When it comes to cooling performance, the ARCTIC P12 Pro Reverse is designed for high static pressure, capable of generating airflow sufficient to penetrate dense radiators and mesh structures. The fan operates within a speed range of 500 to 3000 RPM, allowing for efficient cooling tailored to system demands. On the other hand, the Thermalright Assassin X 120R offers a maximum fan speed of 2000 RPM, which may be adequate for regular cooling needs, but it doesn't match the upper limit of the ARCTIC model. Thus, for users seeking maximum airflow potential, the ARCTIC P12 Pro Reverse stands out.

Noise Levels

The ARCTIC P12 Pro Reverse is designed with a focus on quiet operation, utilizing a smooth-running fluid dynamic bearing that minimizes noise, especially at lower RPMs. The fan can completely stop at less than 5% PWM, ensuring silent operation during idle times. Meanwhile, the Thermalright Assassin X 120R incorporates silicone corner pads to reduce noise during operation. Although both products prioritize quiet performance, the ARCTIC's ability to completely halt the fan gives it an edge for users sensitive to noise.

Installation and Compatibility

The ARCTIC P12 Pro Reverse is designed for versatile installation in various setups, making it suitable for glass cases and systems where aesthetics are paramount. Meanwhile, the Thermalright Assassin X 120R boasts an overall height of 151mm, which is compatible with most cases without compromising heat dissipation performance. This compatibility ensures that users can easily integrate it into their existing builds without concern for space limitations.

Build Quality and Durability

Both the ARCTIC P12 Pro Reverse and the Thermalright Assassin X 120R are constructed with quality materials aimed at longevity. The ARCTIC model features a hydrodynamic bearing that not only improves performance but also contributes to a longer lifespan. Conversely, the Thermalright cooler employs industrial-grade materials, ensuring durability under various operating conditions. While both products are built for extended use, the choice may come down to personal preference regarding brand reliability and perceived material quality.

Price Comparison

The ARCTIC P12 Pro Reverse retails at $18.49, making it a budget-friendly choice for those looking to improve their cooling without breaking the bank. In comparison, the Thermalright Assassin X 120R is priced at $22.90, representing a higher investment. For users on a strict budget or those looking to purchase multiple units for a more extensive setup, the ARCTIC P12 Pro Reverse provides significant savings.

Which should you buy?

Choosing between the ARCTIC P12 Pro Reverse and the Thermalright Assassin X 120R depends on individual needs. If you prioritize superior airflow, quiet operation, and a lower price point, the ARCTIC P12 Pro Reverse is the clear winner. However, if aesthetics and a digital interface are significant factors for you, along with solid performance, the Thermalright Assassin X 120R could be a suitable choice. Ultimately, both products serve their purpose well, but your specific requirements will determine the better option for your cooling needs.