Be Quiet! Silent Wings 4 140mm Fan

be quiet! Silent Wings 4 | 140mm PWM High-Speed PC Fan

The be quiet! Silent Wings 4 140mm PWM high-speed computer case fan delivers exceptional cooling performance with near-silent operation, making it ideal for high-end gaming rigs and demanding workstation builds where both airflow and quiet operation are essential.

Key Specifications

Premium Cooling for Demanding Systems

This 140mm PWM fan features a 6-pole motor design that provides precise speed control between 0-1900 RPM, ensuring optimal cooling under load while maintaining whisper-quiet operation during light use. The advanced Fluid Dynamic Bearing technology not only reduces noise but also extends the fan’s lifespan to an impressive 300,000 hours, making it a reliable long-term investment for your system.

Advanced Noise Reduction Technology

The Silent Wings 4 incorporates multiple noise-reduction features that set it apart from standard case fans. Anti-vibration rubber mounts eliminate transmission of vibrations to your PC case, while the optimised fan blade design maximises airflow efficiency without creating turbulence. At high speeds, the fan produces just 29.3 dB of noise – quieter than a typical library conversation – allowing you to focus on your work or gaming without distracting fan noise.

Versatile Installation Options

Designed for maximum compatibility, this fan includes both screws and clips for flexible mounting options in virtually any computer case. The 4-pin PWM connector ensures seamless integration with modern motherboards, allowing automatic fan speed control based on your system’s temperature. Whether you’re cooling a CPU heatsink, GPU, or improving case airflow, the Silent Wings 4 adapts to your specific cooling needs.

Box Contents

• be quiet! Silent Wings 4 140mm PWM fan
• 4 mounting screws
• 4 anti-vibration clips
• 0.5m cable with 4-pin PWM connector

Check Before You Buy

• Confirm your case supports 140mm fan mounting
• Verify your motherboard has available 4-pin fan headers
• Check clearance if mounting near tall RAM or CPU coolers
• Ensure your case has adequate ventilation for optimal airflow

Frequently Asked Questions

Q: What makes this fan quieter than standard PC fans?

A: The combination of Fluid Dynamic Bearing, anti-vibration mounts, and optimised blade design reduces both mechanical noise and vibration transmission.

Q: Can I control the fan speed manually?

A: Yes, the 4-pin PWM connector allows motherboard control, and you can also use manual fan controllers if preferred.

Q: Is this fan suitable for radiator cooling?

A: Yes, the high static pressure (2.36 mmH2O) makes it excellent for radiator and heatsink applications.

Q: What’s the warranty period for this fan?

A: This product is covered by the standard manufacturer warranty.

Q: Does it come with all necessary mounting hardware?

A: Yes, both screws and anti-vibration clips are included for flexible installation options.

The Consultant’s Verdict & Warranty

The be quiet! Silent Wings 4 140mm PWM fan represents the perfect balance of performance and silence for enthusiasts who demand the best from their cooling solutions. Its combination of high airflow, low noise, and exceptional durability makes it particularly suited for high-end gaming PCs, content creation workstations, and HTPC builds where acoustic performance matters. Covered by the standard manufacturer warranty, this fan delivers professional-grade cooling that won’t compromise your computing experience with unwanted noise.