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ARCTIC P12 Pro Reverse A-RGB – 3 Pack – vs Thermalright Assassin X120 Refined SE CPU Air

Updated July 2026 — ARCTIC P12 Pro Reverse A-RGB – 3 Pack – wins on rpm, Thermalright Assassin X120 Refined SE CPU Air wins on height and noise level.

The ARCTIC P12 Pro fans excel in airflow and aesthetics, while the Thermalright Assassin X120 offers solid CPU cooling at a lower price. Choose based on your specific needs.

Why ARCTIC P12 Pro Reverse A-RGB – 3 Pack – is better

Airflow

Higher maximum RPM for better airflow

Aesthetics

Includes RGB lighting for visual appeal

Noise

Quieter operation at low speeds

Why Thermalright Assassin X120 Refined SE CPU Air is better

Price

Lower price point for budget-conscious buyers

CPU Cooling

Designed specifically for effective CPU cooling

Compatibility

Supports a wider range of CPU sockets

Overall score

ARCTIC P12 Pro Reverse A-RGB – 3 Pack –
85
Thermalright Assassin X120 Refined SE CPU Air
75

Specifications

SpecARCTIC P12 Pro Reverse A-RGB – 3 Pack –Thermalright Assassin X120 Refined SE CPU Air
Max RPM30001550
Airflow (CFM)66.1766.17
Noise Level (dB)2525.6
RGB LightingYesNo
Heat Pipes04

Dimension comparison

ARCTIC P12 Pro Reverse A-RGB – 3 Pack –Thermalright Assassin X120 Refined SE CPU Air

Overview of the Products

In this comparison, we will evaluate the ARCTIC P12 Pro Reverse A-RGB fans against the Thermalright Assassin X120 Refined SE CPU air cooler. The ARCTIC P12 Pro is priced at $28.99 for a pack of three fans, while the Thermalright cooler comes in at a more budget-friendly $17.90. Both products cater to different cooling needs in a PC setup, with the fans primarily focused on airflow and aesthetics, and the cooler designed for CPU temperature management.

Design and Aesthetics

The ARCTIC P12 Pro features a unique reversed airflow design that draws air from the back side, making it suitable for glass-fronted PC cases. This design not only enhances the cooling efficiency but also maintains a visually appealing setup. The fans also include 5V Digital RGB lighting, adding a vibrant touch to your build. In contrast, the Thermalright Assassin X120 Refined SE sports a more utilitarian design with an aluminum heatsink cover and a standard PWM fan. While it may lack the aesthetic flair of the ARCTIC fans, its robust build quality is aimed at delivering effective cooling performance.

Cooling Performance

When it comes to cooling performance, the ARCTIC P12 Pro fans are designed for high static pressure, allowing them to efficiently push air through dense radiators and mesh panels even at a maximum speed of 3000 RPM. This makes them ideal for both case cooling and radiator applications. On the other hand, the Thermalright Assassin X120 features a 4-heat pipe design, which helps distribute heat effectively from the CPU. Its TL-C12C PWM fan operates at a lower maximum speed of 1550 RPM but offers a respectable airflow of 66.17 CFM. While both products excel in their respective cooling roles, the ARCTIC fans offer more versatility for various configurations.

Noise Levels

Noise levels can significantly impact the user experience in a PC setup. The ARCTIC P12 Pro fans are engineered with a smooth-running fluid dynamic bearing that minimizes operational noise, making them ideal for quiet builds. They can even stop completely at less than 5% PWM control, which is perfect for silent operation during low loads. The Thermalright Assassin X120, with its PWM fan, operates at a noise level of 25.6 dB(A), which is also relatively quiet. However, in direct comparison, the ARCTIC fans may provide a quieter solution, especially when operating at lower speeds.

Installation and Compatibility

Installation ease is a key factor when selecting cooling solutions. The ARCTIC P12 Pro fans come with a Y cable splitter, simplifying the connection process for multiple fans. They are compatible with a wide range of setups. The Thermalright Assassin X120 is designed for compatibility with various CPU sockets, including AMD AM4/AM5 and Intel LGA 1150/1151/1155/1200/1700/1851. It includes metal fasteners for straightforward installation. Both products offer user-friendly installation processes, but the fan pack from ARCTIC may be easier to integrate into existing systems with its additional splitter.

Brand Reputation and Reliability

ARCTIC is known for its focus on efficient cooling products, while Thermalright has over 20 years of experience in developing computer accessories. Both brands have established a reputation for reliability in their respective markets. The ARCTIC P12 Pro, with its advanced design features, and the Thermalright Assassin X120, with its solid build and heat pipe technology, reflect the quality and reliability expected from both manufacturers. Users can expect dependable performance from either product.

Price Comparison

The price difference between the two products is significant. The ARCTIC P12 Pro is priced at $28.99, which breaks down to about $9.66 per fan, while the Thermalright Assassin X120 is priced at $17.90. This means that the ARCTIC fans are approximately 62% more expensive than the Thermalright cooler. However, considering that the ARCTIC product comes in a pack of three, it may offer better value for those looking to enhance overall cooling with multiple fans.

Which should you buy?

Ultimately, the choice between the ARCTIC P12 Pro Reverse A-RGB fans and the Thermalright Assassin X120 Refined SE CPU cooler depends on your specific needs. If you are looking to enhance airflow and aesthetics in your build, the ARCTIC fans are an excellent choice, especially with their high RPM and RGB features. However, if you need a reliable and effective CPU cooler at a lower price point, the Thermalright Assassin X120 is a strong contender. Consider your cooling requirements, budget, and aesthetic preferences before making a decision.