be quiet! Silent Wings 4 PWM Fan, Fluid Dynamic Bearing, 140mm, Black

This 140mm cooling fan is engineered for system builders requiring high air pressure alongside minimal acoustic output. It operates at a maximum rotational speed of 1100 RPM, delivering up to 51.3 CFM of airflow. The design is optimized for versatility, making it suitable for mounting on PC cases, liquid cooling radiators, and heatsinks. Its robust performance characteristics allow for efficient heat dissipation, maintaining a maximum static pressure rating of 0.92 mmH₂O.

Acoustic output is controlled, peaking at 13.6 dB under maximum load, which is conducive to quiet system operation. Longevity is addressed via the implementation of Fluid Dynamic Bearing (FDB) technology, providing a Mean Time Between Failures (MTBF) rating of 300,000 hours. The fan connects via a 3-pin header and is rated for 12V operation, with a minimum starting voltage of 5V. Included accessories provide hardware for installation and external voltage reduction via 12V to 7V and 12V to 5V adapters.

• Fan diameter measures 140 mm with a 25 mm thickness
• Maximum rotational speed set at 1100 RPM
• Maximum rated power consumption is 3.6 W
• Supports Pulse Width Modulation (PWM) control capability
• Uses a 3-pin fan connector
• Includes mounting screws and anti-vibration push pins
• Maximum weight is 220 g
• Compliance verified by CE, UL, UKCA, and TÜV certifications