Air cooler Thermalright Peerless Assassin 120 SE ARGB 12 cm White 1550 RPM

The Thermalright Peerless Assassin 120 SE ARGB 12 cm White 1550 RPM is an air cooler designed for desktop processors. It combines a 120 mm fan with Fluid Dynamic Bearing technology, a maximum rotational speed of 1550 RPM and a reported noise level of 25.6 dB to provide balanced cooling and quiet operation. The cooler delivers a maximum airflow of 66.17 cfm and an air pressure of 1.53 mmH2O, and its white finish with ARGB lighting is intended to integrate visually with light-themed builds.

Advantages

The cooler uses a 120 mm fan with Fluid Dynamic Bearing for improved bearing life and stable performance. With a maximum speed of 1550 RPM it achieves up to 66.17 cfm airflow and 1.53 mmH2O air pressure while maintaining a low noise figure of 25.6 dB. The white product colour and ARGB lighting offer aesthetic compatibility for modern PC builds. Its compact footprint and 0.73 kg weight make it suitable for a wide range of tower layouts and case sizes.

Suitable for

• Cooling mainstream desktop CPUs in compact and mid-tower systems
• Systems that require quiet operation with moderate airflow
• Builds prioritizing a white aesthetic and ARGB illumination
• Motherboards and sockets listed as supported, including modern Intel and AMD platforms

Key specifications

• Type: Air cooler
• Fan diameter: 120 mm
• Maximum fan speed: 1550 RPM
• Noise level: 25.6 dB
• Maximum airflow: 66.17 cfm
• Air pressure: 1.53 mmH2O
• Bearing type: Fluid Dynamic Bearing
• Weight: 0.73 kg
• Product colour: White with ARGB lighting
• Supported sockets: Socket AM5, Socket AM4, LGA 1700, LGA 1200, LGA 1150, LGA 1151, LGA 1155, LGA 1156

How to use

Install the cooler following the motherboard and cooler manufacturer instructions for the supported socket. Mount the unit on the CPU socket with appropriate mounting hardware, apply thermal paste according to paste manufacturer guidance or the cooler's instructions, and secure the heatsink and fan. Connect the fan power cable to the CPU fan or system fan header and the ARGB connector to a compatible lighting header or controller. Verify that the fan spins and that ARGB lighting functions before closing the case.

Recommendations

For best results, ensure adequate case airflow by pairing the Peerless Assassin 120 SE ARGB with intake and exhaust fans; monitor CPU temperatures after installation and adjust fan curves in BIOS or software to balance noise and cooling performance.