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Thermalright Assassin X 120R SE V2 CPU Cooler, 4× vs Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat

Updated August 2026 — Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat leads on aesthetics and cooling performa.

The Thermalright Assassin X 120R SE V2 offers solid performance at a budget-friendly price, while the PS120SE ARGB provides advanced cooling technology and aesthetics for a higher cost.

Why Thermalright Assassin X 120R SE V2 CPU Cooler, 4× is better

Price

Assassin X is significantly cheaper at $16.59.

Size

Assassin X has smaller dimensions, fitting more cases.

Simplicity

Assassin X focuses on performance without RGB.

Why Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat is better

Cooling Tech

PS120SE features AGHP 4.0 technology for better cooling.

Aesthetics

PS120SE includes vibrant ARGB lighting with multiple modes.

Heat Pipes

PS120SE has 7 heat pipes compared to 4 in Assassin X.

Overall score

Thermalright Assassin X 120R SE V2 CPU Cooler, 4×
75
Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat
85

Specifications

SpecThermalright Assassin X 120R SE V2 CPU Cooler, 4×Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat
Fan Speed1550 RPM1500 RPM
Airflow66.17 CFM66.17 CFM
Noise Level≤25.6 dB(A)≤25.6 dB(A)
Socket SupportLGA1150/1151/AM4LGA1150/1151/AM4
Bearing TypeS-FDBS-FDB

Dimension comparison

Thermalright Assassin X 120R SE V2 CPU Cooler, 4×Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat

Overview of Thermalright Assassin X 120R SE V2 and PS120SE ARGB

The Thermalright Assassin X 120R SE V2 is priced at $16.59, while the Thermalright PS120SE ARGB comes at a higher price of $34.94. This makes the Assassin X about 17% cheaper than the PS120SE. Both CPU coolers are designed for compatibility with AMD and Intel platforms, but they differ significantly in features and cooling technology.

Cooling Technology

The Assassin X 120R SE V2 features a solid cooling system utilizing 4 heat pipes and a 1550 RPM PWM fan, which provides a maximum airflow of 66.17 CFM while maintaining a noise level of ≤25.6 dB(A). In contrast, the PS120SE ARGB boasts 7 heat pipes with AGHP 4.0 technology, allowing for improved heat dissipation and longevity, with a fan speed of 1500 RPM and the same airflow and noise levels. The addition of AGHP technology in the PS120SE enhances its cooling efficiency, making it a more advanced option for intense gaming or overclocking scenarios.

Design and Aesthetics

In terms of aesthetics, the PS120SE ARGB stands out with its vibrant ARGB lighting, offering up to 17 modes of light effects that can sync with your motherboard. The Assassin X 120R SE V2, while functional, does not feature RGB lighting, focusing instead on performance and reliability. The design differences cater to varying consumer preferences, whether one values a sleek, minimalist look or a more dynamic and colorful setup.

Fan Performance

Both products utilize high-quality fans designed for optimal performance. The Assassin X features a TL-C12C-L V2 fan that operates at 1550 RPM, while the PS120SE uses a TL-C12B-S V2 fan with a slightly lower speed of 1500 RPM. Despite this minor difference, both models maintain an impressive airflow of 66.17 CFM and are designed to operate quietly, with noise levels not exceeding 25.6 dB(A). The fans in both coolers are equipped with S-FDB bearings, which enhance longevity and reduce noise during operation.

Dimensions and Compatibility

The dimensions of the Assassin X 120R SE V2 are 120mm x 71mm x 148mm, making it suitable for medium-sized cases, while the PS120SE has slightly larger dimensions of 125mm x 135mm x 154mm. Despite the size difference, both coolers maintain compatibility with a wide range of Intel and AMD sockets, including LGA1700, AM4, and AM5. This compatibility ensures that both options can be easily integrated into various builds without issues.

Installation Process

Both coolers are designed with user-friendly installation in mind. The Assassin X comes with metal fasteners for Intel and AMD platforms and offers clear installation instructions, making it accessible for both novice builders and experienced users. The PS120SE also includes corresponding mounting plates and fasteners, ensuring a straightforward installation process. This ease of installation is a significant factor for many users, particularly those who may be new to building PCs.

Price Comparison

At $16.59, the Assassin X 120R SE V2 is significantly more budget-friendly than the PS120SE ARGB at $34.94. The price difference of $18.35 means that the PS120SE is over double the cost of the Assassin X. While the higher price of the PS120SE may be justified by its additional features, such as the ARGB lighting and advanced cooling technology, budget-conscious consumers may find the Assassin X to be a more appealing option without sacrificing essential cooling performance.

Which should you buy?

Choosing between the Thermalright Assassin X 120R SE V2 and the PS120SE ARGB ultimately depends on your specific needs and budget. If you're looking for a cost-effective solution that delivers solid cooling performance without flashy aesthetics, the Assassin X is the clear winner at $16.59. However, if you value advanced cooling technology, enhanced aesthetics with RGB lighting, and don't mind spending a bit more at $34.94, the PS120SE is a great choice. Your decision should reflect your priorities: performance versus aesthetics and budget.