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CORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan - +5V ARGB Connections vs Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler

Updated August 2026The CORSAIR RS120-R offers vibrant aesthetics and high airflow, while the Thermalright Peerless Assassin 120 SE excels in CPU cooling efficiency. Choose based on your cooling needs and budget.

The CORSAIR RS120-R offers vibrant aesthetics and high airflow, while the Thermalright Peerless Assassin 120 SE excels in CPU cooling efficiency. Choose based on your cooling needs and budget.

Why CORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan - +5V ARGB Connections is better

aesthetic appeal

Vibrant ARGB lighting with reverse rotor design

airflow performance

Higher RPM and airflow at 2,100 RPM

price

More affordable at £24.99

Why Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler is better

cooling efficiency

Dual fan setup for better CPU cooling

noise level

Explicit noise specification of ≤25.6 dB(A)

compatibility

Supports multiple CPU socket types

Overall score

CORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan - +5V ARGB Connections
85
Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler
78

Specifications

SpecCORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan - +5V ARGB ConnectionsThermalright Peerless Assassin 120 SE ARGB CPU Air Cooler
BrandCorsairThermalright
Price£24.99£28.79
LightingARGBARGB
Noise LevelN/A≤25.6 dB(A)
Fan TypePWMPWM
Socket SupportN/AIntel/AMD

Dimension comparison

CORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan - +5V ARGB ConnectionsThermalright Peerless Assassin 120 SE ARGB CPU Air Cooler

Overview of the Products

The CORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan is a stylish cooling solution priced at £24.99, while the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler is a more robust option at £28.79. Each product caters to different cooling needs and aesthetic preferences in a PC build. The CORSAIR fan stands out for its vibrant ARGB lighting and unique reverse rotor design, whereas the Thermalright cooler is designed for efficient CPU cooling with its dual fan setup and advanced cooling technology.

Design and Aesthetics

In terms of design, the CORSAIR RS120-R features a reverse rotor for enhanced visibility of its ARGB lighting, even when mounted as an intake fan. This fan includes eight LEDs that can be customised through a compatible motherboard, allowing users to match their build's colour scheme. On the other hand, the Thermalright Peerless Assassin 120 SE boasts a professional look with its double tower design and ARGB light effects on its two PWM fans. While both products offer aesthetic appeal, the CORSAIR fan's unique lighting visibility gives it a slight edge for those prioritising visuals.

Cooling Performance

The CORSAIR RS120-R fan delivers a maximum airflow of 65.8 CFM at speeds reaching up to 2,100 RPM, making it a strong contender for airflow in any build. It also exhibits a high static pressure rating of 2.81 mm H2O, beneficial for pushing air through radiators and obstructions. In contrast, the Thermalright Peerless Assassin 120 SE achieves a maximum airflow of 66.17 CFM with a fan speed of up to 1,500 RPM. While the airflow is comparable, the higher RPM and static pressure of the CORSAIR fan could provide better cooling efficiency in high-demand scenarios.

Noise Levels

When assessing noise levels, the CORSAIR RS120-R is designed to operate quietly but does not specify a decibel rating. In contrast, the Thermalright Peerless Assassin 120 SE has a maximum noise level of ≤25.6 dB(A), which indicates relatively quiet operation. For users who are sensitive to noise, the Thermalright cooler might be the preferable option due to its explicit noise specifications, despite the CORSAIR's potential for quieter performance at lower speeds.

Installation and Compatibility

Installation is crucial for both products, with the CORSAIR RS120-R designed as a fan that can be integrated easily into various PC configurations. The Thermalright Peerless Assassin 120 SE comes with mounting hardware compatible with a wide range of CPU sockets, including Intel 115X/1200/1700 and AMD AM4/AM5. This level of compatibility ensures that users can fit the cooler into most systems without hassle. Therefore, while both products are user-friendly, the Thermalright cooler’s compatibility with multiple platforms makes it a more versatile choice for builders.

Brand Reputation

Corsair is a well-regarded brand in the gaming and PC building community, known for its high-quality components and innovative designs. The CORSAIR RS120-R reflects the brand's commitment to performance and aesthetics. Thermalright, with over 20 years in the industry, has built a solid reputation for developing effective cooling solutions. The Peerless Assassin 120 SE showcases the brand's focus on advanced cooling technologies, making both brands reliable choices. Ultimately, the choice may depend on personal brand loyalty and past experiences with either manufacturer.

Price Comparison

The pricing of these products shows a notable difference. The CORSAIR RS120-R is available for £24.99, making it a more affordable option for those looking to enhance their cooling without breaking the bank. Conversely, the Thermalright Peerless Assassin 120 SE is priced at £28.79, reflecting its more complex design and dual-fan cooling system. While the price difference may be minimal, budget-conscious buyers might find the CORSAIR fan to be a more economical choice for basic cooling needs.

Which should you buy?

Deciding between the CORSAIR RS120-R ARGB fan and the Thermalright Peerless Assassin 120 SE CPU cooler ultimately depends on your specific needs. If you prioritise aesthetic appeal and airflow performance, the CORSAIR fan is a strong contender with its vibrant ARGB lighting and high RPM capabilities. However, if you require a comprehensive cooling solution with dual fans and explicit noise specifications, the Thermalright cooler may be the better investment. Both products offer unique advantages, so your choice should align with your cooling priorities and budget considerations.

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CORSAIR RS120-R ARGB 120mm PWM Reverse Flow Fan - +5V ARGB Connections vs Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler | versusfinder