be quiet! Silent Wings 4 140mm PWM High Speed 1900 RPM Premium 140mm, Black
Product Details

• Silent Wings 4 140mm PWM high-speed is the fan of choice for all possible operations. Be it in a case, on radiators or heat sinks – Features like the silence-optimized fan blades and the funnel shaped fan frame make Silent Wings 4 140mm PWM high-speed a fan that makes no compromises between very quiet operation and highest performance.
• Silent Wings 4 140mm PWM high-speed makes for extraordinary air pressure and, therefore, significant increases in the system’s performance. The decreased distance between the fan blades and the frame makes it possible. By that, the Silent Wings 4 140mm PWM high-speed allows the user to run even the most demanding applications.
• Silent Wings 4 140mm PWM high-speed has 2 mounting options in the scope of delivery. The pre-installed anti-vibration mounting reduces noise-generating vibrations to a minimum. For radiators and heat sinks, the plastic mounting is the first choice. Both solutions have in common that they enable virtually inaudible operation at regular speed.
• The key for virtually inaudible operation when needed 6-pole fan motor with 3 phases for very low power consumption, less vibration and therefore quiet max. operation of 29.3dB(A). Equipped with this state-of-the-art technology the fan is virtually inaudible when operated in mid-speed.
• The advanced fluid-dynamic bearing (FDB) enables a super long fan life of up to 300,000 hours. In addition, it reduces the vibrations significantly and supports the virtually inaudible operation of Silent Wings 4 140mm PWM high-speed.
• Be it as a radiator fan or in the case: Silent Wings 4 140mm PWM high-speed always makes a good impression. The all-black design combined with the high-grade fan sticker makes the fan shine in any system. This makes Silent Wings 4 140mm PWM high-speed a high performant and an incredibly good-looking fan.

Product Sourcing & Fulfillment Policy

Dear Valued Customer,

We are committed to transparency, reliability, and earning your trust. Below is a clear overview of how we source and deliver our products.

Customer Assurance

Quality Control:
Every product is carefully selected and reviewed before listing. We ensure accurate descriptions, specifications, and condition details.

Fulfillment & Shipping:
Some orders may be fulfilled through trusted third-party partners, including major U.S. logistics providers, to ensure fast and reliable delivery.

Customer Support:
For any questions or concerns, please contact us via Messages. We respond quickly and professionally.

Shipping Policy & Delivery Our Commitment

• Orders are processed within the stated handling time
• We aim for fast and smooth delivery

Possible Delays

• Severe weather conditions
• High shipping volume during peak seasons
• Carrier delays or routing changes

We appreciate your understanding in these situations.

Need Help?

For shipping or tracking questions, contact us through Messages anytime.

Shipping Coverage Domestic Shipping

• We ship within the lower 47 U.S. states
• Please confirm delivery time if your order is urgent

International Shipping

• Handled via International Shipping Program
• Orders are sent to ’s U.S. hub (Illinois) before international delivery

Important:
Buyers are responsible for customs duties, taxes, and import fees. For international shipping questions, please contact directly.

Returns & Issue Resolution Return Policy

We do not accept returns. Please review all item details carefully before purchasing.

Damaged or Non-Functional Items

If your item arrives damaged or not working:

• Contact us immediately
• Provide clear photos and details

We will arrange a replacement or exchange quickly.

Customer Satisfaction & response

Your satisfaction is very important to us.

• Please contact us before leaving negative response — we will resolve the issue
• If satisfied, we would truly appreciate your positive response
• Positive response will be automatically returned

Thank you for shopping with us!

We truly appreciate your support and look forward to serving you again.

"Your support means everything to our business."