This article covers (BL069).

Overview

The be quiet! Silent Wings 3 series is renowned for balancing low noise with solid cooling performance. The Hi-Speed variant (model BL069) is a 140mm fan that spins up to 1600 RPM, delivering 77.57 CFM of airflow while keeping noise at just 28.1 dBA. It's a versatile choice for CPU coolers, radiators, or case intake/exhaust. This fan uses a 6-pole motor and fluid dynamic bearing (FDB) to reduce power consumption and vibration, achieving an impressive 300,000-hour lifespan. The seven blades and funnel-shaped air inlet optimize airflow and static pressure, making it suitable for restrictive setups like radiators. Positioned in the mid-range market, the Silent Wings 3 Hi-Speed offers excellent value for noise-conscious builders. It competes directly with Noctua and Corsair fans but often at a lower price point, making it a smart choice for those who want quality without overspending.

Compatibility Guide

Fan size: 140mm x 140mm x 25mm (standard 140mm mounting holes, 124.5mm spacing) Connector: 3-pin (non-PWM; use motherboard DC voltage control or a fan controller) Voltage: 12V, power draw: 6W Fits any case or radiator that supports 140mm fans * Note: 3-pin fans cannot be controlled via PWM; ensure your motherboard supports DC voltage control for speed adjustment

Product Info

Release: 2016 (long-running model) Price: Approximately ¥5,500 on Japan (as of June 2026) Warranty: 3 years (manufacturer) Availability: , major electronics retailers, PC specialty stores Market position: Mid-range; strong balance of noise, airflow, and price Key specs: 1600 RPM, 77.57 CFM, 28.1 dBA, FDB bearing, 300,000-hour lifespan

Best Use Cases

Silent PC builds: At 28.1 dBA, this fan is quiet enough for bedrooms or offices. It moves plenty of air without distracting noise. Gaming rigs needing good airflow: The Hi-Speed variant provides high static pressure for radiators and can efficiently exhaust hot air from a case. * Budget-conscious builders: It undercuts premium competitors like Noctua while delivering similar noise and longevity. Ideal for those who want quality without the premium price tag. ## Alternatives
Noctua NF-A14 PWM: PWM control, slightly quieter (24.6 dBA), but more expensive. Choose Noctua if you need PWM; choose Silent Wings 3 for better value. Corsair ML140: Magnetic levitation bearing, PWM and RGB options available, but pricier. For a non-RGB quiet fan, Silent Wings 3 offers better cost efficiency.

Things to Consider

The 3-pin connector means no PWM auto-control. You'll need a motherboard with DC voltage control or a separate fan controller. Most modern boards support this, but check before buying. Ensure your case or radiator has 140mm mounting points. Some smaller cases only accept 120mm fans. At 1600 RPM, it's quiet but not silent. If absolute silence is critical, consider the Low-Speed version (900 RPM) of the same series. The fan has a copper motor hub, adding a bit of weight. Secure it firmly with screws to avoid vibration.

Product Disclosure (Amazon)

  • Manufacturer: be quiet!
  • Seller: T&T Trade servise本店（適格請求書発行事業者）
  • Fulfilled by: Amazon
  • ASIN: B01JME3UJW
  • Note: This article covers a manufacturer-made product based on Amazon listing details.