be quiet! SILENT WINGS 4 120mm Fan

be quiet! Silent Wings 4 120mm PWM High-Speed Computer Case Fan

The be quiet! Silent Wings 4 120mm PWM high-speed Computer case Fan delivers exceptional cooling performance with near-silent operation, making it ideal for high-end systems where both airflow and noise reduction matter.

Key Specifications

Engineered for Maximum Airflow and Silence

The Silent Wings 4 120mm PWM high-speed features a 6-pole motor that delivers precise control and enhanced efficiency. This advanced motor design, combined with optimized fan blades, ensures maximum airflow while maintaining minimal noise levels. The fan’s aerodynamic blade design moves air efficiently through your case, making it perfect for demanding applications where heat management is critical.

Fluid Dynamic Bearing for Extended Lifespan

Equipped with a Fluid Dynamic Bearing (FDB), this fan offers exceptional durability with a Mean Time Between Failures (MTBF) of 300, 000 hours. The FDB technology provides smoother operation compared to traditional bearings, reducing friction and wear over time. This results in longer-lasting performance and quieter operation throughout the fan’s lifespan, making it a reliable choice for long-term system builds.

PWM Control for Intelligent Speed Management

With Pulse-Width Modulation (PWM) support, the Silent Wings 4 automatically adjusts its speed based on system temperature. Operating between 5-13. 2V, the fan can ramp up to 2, 500 RPM when maximum cooling is needed, or slow down to maintain silence during lighter loads. This intelligent speed control ensures optimal performance without unnecessary noise, adapting to your system’s cooling demands in real-time.

Anti-Vibration Design for Quiet Operation

The fan includes anti-vibration mountings that significantly reduce noise transmission to your case. These specialized rubber dampeners isolate the fan from direct contact with the chassis, preventing vibrations from creating unwanted resonance. Combined with the low-noise impeller design, this results in whisper-quiet operation even at higher speeds, maintaining a peaceful computing environment.

Box Contents

• be quiet! Silent Wings 4 120mm PWM high-speed fan
• 4 mounting screws
• 4 anti-vibration clips

Check before you buy

• Confirm your case supports 120mm fan mounting
• Verify your motherboard has a 4-pin PWM header available
• Check clearance for 25mm fan depth in your installation location
• Ensure your power supply can provide 2. 4W per fan

Frequently Asked Questions

Q: What is the maximum airflow of this fan?

A: The fan delivers up to 76. 7 CFM (cubic feet per minute) of airflow.

Q: Does this fan support PWM speed control?

A: Yes, it features 4-pin PWM support for automatic speed adjustment.

Q: What bearing type does this fan use?

A: It uses a Fluid Dynamic Bearing (FDB) for quiet operation and extended lifespan.

Q: How loud is this fan at maximum speed?

A: The noise level reaches 31. 2 dB at maximum speed.

Q: What certifications does this product have?

A: It is certified with CE, ROHS, RU, UKCA, TÜV, and WEEE standards.

The Consultant’s Verdict & Warranty

The be quiet! Silent Wings 4 120mm PWM high-speed fan represents an excellent balance of performance and silence for demanding PC builds. Its combination of high airflow, intelligent PWM control, and anti-vibration design makes it particularly suitable for gaming rigs, workstations, and media centers where both cooling efficiency and noise reduction are priorities. Covered by the standard Manufacturer Warranty.