🛍️ Product Name
Be Quiet! Silent Wings Pro 4 BL099 140mm PWM Cooling Fan – Speed Switch Control, 2400rpm Max, Fluid-Dynamic Bearing, Radiator-Optimized Frame
📦 Product Overview
The Be Quiet! Silent Wings Pro 4 BL099 140mm PWM Fan is engineered for elite performance in high-end PC builds. With a speed switch offering three selectable RPM profiles, it delivers up to 2400rpm for extreme airflow. Its funnel-shaped frame and small tip clearance ensure high static pressure, making it ideal for radiators and heat sinks. Backed by a fluid-dynamic bearing and 6-pole motor, this fan combines silence, durability, and versatility with interchangeable mounting systems.
🌟 Top Highlights
⚙️ Speed Switch Control – Choose between Medium, High, and Ultra-High speed modes
⚡ Up to 2400rpm – Delivers powerful airflow for demanding cooling setups
🔇 Virtually Silent Operation – Smooth acoustics at regular speeds
💨 Funnel-Shaped Frame – Maximizes air pressure for radiator performance
🧭 Fluid-Dynamic Bearing – Rated for up to 300,000 hours of operation
📐 Technical Details
| Specification | Details |
|---|---|
| Model Number | BL099 |
| Fan Size | 140mm |
| Speed Modes | Medium / High / Ultra-High |
| Max Fan Speed | 2400rpm (PWM controlled) |
| Noise Level | Up to 36.8 dB(A) |
| Bearing Type | Fluid-Dynamic Bearing |
| Motor Type | 6-pole motor |
| Frame Design | Funnel-shaped air outlet |
| Mounting Options | Radiator and case mounts included |
| Connector | 4-pin PWM |
| Warranty | 5 years (via manufacturer) |
💡 Why You Should Buy It
✅ Highest performance fan in the Silent Wings series
✅ Speed switch offers unmatched control and flexibility
✅ Optimized for radiators, heat sinks, and airflow-critical builds
✅ Long lifespan and ultra-smooth operation with FDB technology
🎯 Recommended Use Cases
➤ Radiator cooling in water-cooled systems
➤ High-performance gaming and workstation builds
➤ Overclocked systems requiring extreme airflow
➤ Builders seeking customizable speed and mounting options
🤝 Customer Assurance
🛡️ Warranty / Guarantee: Coverage available through manufacturer support
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by reliable logistics partners with tracking support
📞 Customer Support: Assistance available via official support channels and authorized resellers
👉 Call to Action
Unleash full cooling control with the most advanced 140mm fan from Be Quiet!
Thanks for choosing
– YOUR TRUSTED IT PARTNER.
