be quiet! Silent Wings Pro 4 140mm – High-Speed, Silent PWM Cooling

be quiet! Silent Wings Pro 4 PWM 140mm Fan (BL099) – High-Performance Cooling

Ultra-Quiet Operation | High Airflow & Static Pressure | 4-Pin PWM | Premium Build Quality

The be quiet! Silent Wings Pro 4 PWM 140mm Fan (BL099) is designed for maximum cooling efficiency, ultra-quiet performance, and long-term durability, making it ideal for gaming PCs, high-end workstations, and extreme overclocking builds. Featuring three operating modes, an advanced fluid dynamic bearing (FDB), and an ultra-high-speed 4,000 RPM option, this fan ensures optimal thermal management with minimal noise levels.

🔥 Key Features & Benefits

✅ Optimized Fan Blade Design for Maximum Airflow & Static Pressure

• Advanced airflow-focused blades provide maximum cooling efficiency with minimal noise levels.
• Ideal for use in cases, radiators, and CPU coolers.

💨 Three Speed Modes for Customisable Performance

• Ultra-Quiet Mode (up to 1100 RPM): For whisper-quiet operation.
• Performance Mode (up to 2000 RPM): For balanced cooling and low noise.
• Extreme Mode (up to 3000 RPM): For maximum airflow and static pressure, ideal for overclocking and radiators.

🔇 Whisper-Quiet Operation for Noise-Free Computing

• Optimized blade geometry and advanced fluid dynamic bearing (FDB) ensure silent performance.
• Anti-vibration rubber pads minimize operational noise and turbulence.

🔌 4-Pin PWM Connector for Smart Speed Control

• PWM fan speed control allows for adaptive adjustments based on system temperature.
• Provides efficient cooling when needed and near-silent operation at lower loads.

🏆 Durable Fluid Dynamic Bearing (FDB) for Long Lifespan

• Rated for up to 300,000 hours of operation.
• High-quality build ensures long-lasting and reliable cooling performance.

🎨 Sleek Black Frame for a Premium Aesthetic

• All-black housing and fan blades provide a modern, stealthy look.
• Perfect for high-end gaming rigs, custom water loops, and performance workstations.

📦 What’s in the Box?

• 1x be quiet! Silent Wings Pro 4 PWM 140mm Fan (BL099)
• Mounting Screws & Accessories
• Speed Mode Switch Adapter
• User Manual

🔧 Technical Specifications

Fan Specifications

• Size: 140mm x 140mm x 25mm
• Speed Modes:
  • Ultra-Quiet Mode: 1100 RPM
  • Performance Mode: 2000 RPM
  • Extreme Mode: 3000 RPM
• Airflow: Up to 97.41 CFM
• Static Pressure: Up to 4.89 mmH₂O
• Noise Level: 36.8 dBA (Max)
• Bearing Type: Fluid Dynamic Bearing (FDB)
• Lifespan: 300,000 hours

Connectivity & Control

• Connector Type: 4-Pin PWM
• Speed Mode Switch: Yes (Selectable Ultra-Quiet, Performance, or Extreme)

Compatibility

• Compatible with all 140mm case, radiator, and heatsink mounts
• Ideal for gaming PCs, custom builds, and high-performance cooling setups

💡 Why Choose the be quiet! Silent Wings Pro 4 140mm PWM Fan?

The be quiet! Silent Wings Pro 4 140mm PWM Fan (BL099) offers exceptional cooling performance, ultra-quiet operation, and long-term reliability, making it the perfect choice for gamers, overclockers, and PC enthusiasts.

🎯 Perfect for:
✔ Enthusiasts needing customizable cooling with multiple speed modes
✔ Gamers & overclockers requiring extreme cooling performance
✔ PC builders looking for premium airflow with whisper-quiet operation

🚀 Upgrade Your Cooling Today!

Experience maximum cooling, silent operation, and premium build quality with the be quiet! Silent Wings Pro 4 140mm PWM Fan (BL099). Order now and keep your system running at peak performance! 🔥