ARCTIC P12 Pro Reverse A-RGB – 3 Pack – vs Thermalright Peerless Assassin 120 SE V2 CPU
Updated August 2026 — ARCTIC P12 Pro Reverse A-RGB – 3 Pack – wins on noise level and design, Thermalright Peerless Assassin 120 SE V2 CPU wins on compatibility and build quality.
The ARCTIC P12 Pro offers excellent cooling efficiency and aesthetics at a lower price, while the Thermalright Peerless Assassin provides superior heat dissipation for high-performance tasks.
Why ARCTIC P12 Pro Reverse A-RGB – 3 Pack – is better
Price
ARCTIC is cheaper by $10
Aesthetics
ARCTIC features RGB lighting
Noise
ARCTIC operates quieter at low speeds
Why Thermalright Peerless Assassin 120 SE V2 CPU is better
Cooling Performance
Thermalright has dual tower design
Heat Dissipation
Thermalright has 6 heat pipes
Compatibility
Thermalright supports more platforms
Overall score
Specifications
| Spec | ARCTIC P12 Pro Reverse A-RGB – 3 Pack – | Thermalright Peerless Assassin 120 SE V2 CPU |
|---|---|---|
| Airflow | High | Very High |
| Static Pressure | High | Medium |
| Noise Level | Low | Moderate |
| Heat Pipes | 0 | 6 |
| PWM Control | Yes | Yes |
Dimension comparison
Overview of the ARCTIC P12 Pro Reverse A-RGB
The ARCTIC P12 Pro Reverse A-RGB is a premium fan priced at $28.99, designed to enhance cooling efficiency, particularly in visually appealing PC builds. This model features a unique reversed airflow design, which draws air in from the back, making it suitable for setups with glass-fronted cases. Additionally, it offers a wide PWM speed range, allowing for operation between 500 to 3000 RPM, which can be adjusted based on cooling needs. The fan’s high static pressure ensures reliable performance even in restrictive environments, while its fluid dynamic bearing minimizes noise levels, promoting a quiet computing experience.
Overview of the Thermalright Peerless Assassin 120 SE V2 CPU Cooler
The Thermalright Peerless Assassin 120 SE V2 CPU Cooler, priced at $38.99, is a more robust cooling solution designed for high-performance desktop systems. This dual tower cooler features six heat pipes and dual 120mm PWM fans running at a maximum speed of 1850 RPM. Its design aims to improve heat dissipation during intense workloads, such as gaming and multitasking. With compatibility for both AMD AM4/AM5 and Intel LGA1851/1700 platforms, this cooler represents a significant upgrade over standard stock cooling solutions, providing stable thermal performance and effective heat transfer efficiency.
Design and Aesthetics
The ARCTIC P12 Pro Reverse A-RGB stands out with its reversed airflow design and vibrant digital RGB lighting, making it an excellent choice for users who value aesthetics in their builds. The fan’s sleek black finish complements a variety of setups, particularly those with glass enclosures. In contrast, the Thermalright Peerless Assassin 120 SE V2 adopts a more utilitarian dual tower design focused on performance over aesthetics. While it may not have RGB features, it offers a sturdy build that appeals to users seeking effective cooling solutions rather than visual flair.
Cooling Performance
In terms of cooling performance, the ARCTIC P12 Pro Reverse A-RGB excels with its high static pressure rating, ensuring efficient airflow even through dense radiators and mesh panels. The ability to operate at up to 3000 RPM allows for significant cooling during demanding tasks. On the other hand, the Thermalright Peerless Assassin 120 SE V2, with its dual tower configuration and six heat pipes, provides exceptional heat dissipation capabilities. The dual 120mm fans enhance airflow, with a maximum speed of 1850 RPM, ensuring effective cooling performance across a variety of workloads. Overall, both products offer notable cooling efficiency, but the ARCTIC may have the edge in static pressure under specific conditions.
Noise Levels
Noise levels are a critical consideration for many users. The ARCTIC P12 Pro Reverse A-RGB features a smooth-running fluid dynamic bearing, which minimizes operational noise and contributes to a quieter PC environment. It operates silently at low PWM settings, making it ideal for users who prioritize a noise-free experience. Conversely, the Thermalright Peerless Assassin 120 SE V2 has a rated noise level of 29.5 dBA at maximum load. While still manageable for most users, it may be slightly noisier than the ARCTIC fan under heavy use. Thus, for quiet operation, the ARCTIC P12 Pro may be the preferable choice.
Installation and Compatibility
The ARCTIC P12 Pro Reverse A-RGB is designed for easy installation, featuring a universal 4-pin PWM connector that fits a variety of motherboard setups. Its reversed airflow design specifically caters to modern cases, particularly those with glass fronts. On the other hand, the Thermalright Peerless Assassin 120 SE V2 offers broad compatibility with both AMD and Intel platforms, making it a versatile option for a wide range of builds. Its dual tower structure might require slightly more installation space and care during setup, but it is still manageable for users familiar with CPU coolers.
Price Comparison
When comparing prices, the ARCTIC P12 Pro Reverse A-RGB is priced at $28.99, while the Thermalright Peerless Assassin 120 SE V2 costs $38.99. This makes the ARCTIC fan about 26% cheaper than the Thermalright cooler. For users on a budget looking for effective cooling without breaking the bank, the ARCTIC represents a more economical choice. However, for those willing to invest more for a comprehensive cooling solution, the Thermalright might justify its higher price with superior heat dissipation capabilities.
Which should you buy?
Ultimately, the choice between the ARCTIC P12 Pro Reverse A-RGB and the Thermalright Peerless Assassin 120 SE V2 depends on individual needs and preferences. If you are looking for a cost-effective, visually appealing fan with excellent static pressure and quiet operation, the ARCTIC P12 Pro is the better option. However, if you require a more robust cooling solution for high-performance tasks, and you don’t mind spending a bit more, the Thermalright Peerless Assassin 120 SE V2 offers superior heat dissipation and compatibility for modern desktop systems. Each product excels in its own right, catering to different user requirements.

