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ARCTIC P14 Pro Reverse A-RGB – 3 Pack – vs Thermalright Assassin X 120R Digital ARGB Black

Updated August 2026 — ARCTIC P14 Pro Reverse A-RGB – 3 Pack – leads on rgb features and build quality.

The ARCTIC P14 Pro offers superior airflow and aesthetics, while the Thermalright Assassin X 120R is a budget-friendly CPU cooler. Choose based on your specific cooling needs and budget.

Why ARCTIC P14 Pro Reverse A-RGB – 3 Pack – is better

Airflow

Higher RPM range for better airflow

Design

Unique reverse airflow design enhances aesthetics

Noise

Quieter operation due to advanced bearing technology

Why Thermalright Assassin X 120R Digital ARGB Black is better

Price

More affordable option at $22.90

Compatibility

Compatible with a wider range of CPU sockets

Heat Pipes

Utilizes advanced heat pipe technology for effective cooling

Overall score

ARCTIC P14 Pro Reverse A-RGB – 3 Pack –
85
Thermalright Assassin X 120R Digital ARGB Black
75

Specifications

SpecARCTIC P14 Pro Reverse A-RGB – 3 Pack –Thermalright Assassin X 120R Digital ARGB Black
Max RPM26502000
Static Pressure2.3 mmH2O1.5 mmH2O
Noise Level22 dBA25 dBA
RGB TypeDigitalARGB
Fan Size140 mm120 mm

Dimension comparison

ARCTIC P14 Pro Reverse A-RGB – 3 Pack –Thermalright Assassin X 120R Digital ARGB Black

Overview of the ARCTIC P14 Pro Reverse A-RGB and Thermalright Assassin X 120R

The ARCTIC P14 Pro Reverse A-RGB is priced at $33.99, while the Thermalright Assassin X 120R is more budget-friendly at $22.90, making it about 33% cheaper. Both products cater to enthusiasts looking for efficient cooling solutions, but they serve different purposes in a PC build. The ARCTIC P14 is a fan designed for optimal airflow and aesthetics, while the Thermalright Assassin X is a CPU air cooler aimed at keeping your processor cool during intense workloads.

Design and Aesthetics

The ARCTIC P14 Pro features a unique reverse airflow design that draws air from the back side, making it ideal for glass-fronted cases. This design not only enhances cooling efficiency but also preserves the visual appeal of your build. It comes equipped with 5V digital RGB lighting, providing customizable lighting effects that can synchronize with other components.

On the other hand, the Thermalright Assassin X 120R integrates a digital screen on its top cover, combining functionality with an elegant appearance. Its ARGB lighting also synchronizes with the motherboard's 5V 3-pin connection, allowing for coordinated lighting effects. While both products excel in aesthetics, the ARCTIC P14 Pro leans more towards innovative airflow design.

Cooling Performance

The ARCTIC P14 Pro is capable of operating at speeds between 400 and 2650 RPM. This wide range, along with its high static pressure, makes it effective in penetrating dense radiators and mesh structures. The fan can completely stop below 5% PWM, offering silent operation when necessary.

Conversely, the Thermalright Assassin X 120R boasts a maximum fan speed of 2000 RPM. While it has a solid cooling performance, it does not match the upper limits of the ARCTIC P14 Pro. The Assassin X utilizes four heat pipes and advanced heat dissipation technology, which helps maintain lower CPU temperatures but may not provide the same level of airflow versatility as the ARCTIC fan.

Noise Levels

The ARCTIC P14 Pro is designed for quiet operation, thanks to its smooth-running fluid dynamic bearing that minimizes vibrations and noise. This is particularly beneficial for users who prioritize a quiet PC environment, as it operates efficiently without generating excessive sound.

The Thermalright Assassin X 120R also features noise-reducing elements, including silicone corner pads to dampen vibrations. However, its maximum fan speed of 2000 RPM may result in higher noise levels compared to the ARCTIC P14 Pro when both are operating at full throttle. For users sensitive to noise, the ARCTIC fan might be the preferable choice.

Installation and Compatibility

The ARCTIC P14 Pro is straightforward to install, given its standard 140 mm size, making it compatible with various cases. Its reverse airflow design provides flexibility in installation, allowing it to fit in unconventional layouts.

The Thermalright Assassin X 120R has a height of 151 mm, which is compatible with most cases while still delivering excellent heat dissipation. Its design accommodates various socket types, including AM4, AM5, and Intel’s LGA1700, ensuring broad compatibility across different CPU platforms. For users who may need to consider case constraints, the ARCTIC P14 Pro offers a more streamlined installation experience.

Pricing and Value

The ARCTIC P14 Pro is priced at $33.99, while the Thermalright Assassin X 120R is available for $22.90, making the latter about 33% cheaper. While the ARCTIC fan offers advanced features like reverse airflow and a higher RPM range, the Thermalright cooler provides significant value for its price, especially for users looking for a reliable CPU cooler without breaking the bank.

When considering value, users must weigh the performance benefits of the ARCTIC P14 Pro against the more affordable price of the Thermalright Assassin X. If budget is a primary consideration, the Thermalright model stands out as a cost-effective solution.

Target Audience

The ARCTIC P14 Pro Reverse A-RGB is ideal for PC builders looking to enhance airflow and aesthetics simultaneously. Its advanced features cater to gamers and enthusiasts who demand high performance without compromising on style.

In contrast, the Thermalright Assassin X 120R appeals to users who prioritize CPU cooling in a cost-effective manner. It is particularly suited for those who may not require the highest airflow capabilities but still want effective cooling for their processors. This makes it a great choice for mid-range builds.

Which should you buy?

Ultimately, the choice between the ARCTIC P14 Pro Reverse A-RGB and the Thermalright Assassin X 120R depends on your specific needs and budget. If you are looking for a high-performance fan with advanced airflow capabilities and aesthetic appeal, the ARCTIC P14 Pro is worth the investment at $33.99. However, if you need a reliable and cost-effective CPU cooler, the Thermalright Assassin X 120R provides solid performance at a lower price of $22.90. Each product serves distinct purposes, so consider your PC build's requirements before making a decision.