be quiet! Silent Wings 4 - 140mm PWM - Equally Quiet and Performant Operation 13.6dB(A)

Overview

The be quiet! Silent Wings 4 - 140mm PWM is a premium cooling fan designed for exceptional performance with ultra-quiet operation. With a maximum noise level of just 13.6 dB(A), this fan delivers near-silent airflow, making it ideal for gaming PCs, professional workstations, and silent builds. Featuring advanced airflow-optimized blades, a durable fluid-dynamic bearing (FDB), anti-vibration mounting, and PWM speed control, the Silent Wings 4 ensures superior cooling with minimal noise.

How to Use / Install

Installation Steps:

  • Turn off your PC and unplug it from the power source.
  • Determine the mounting location (case, radiator, or heatsink).
  • Align the fan with the airflow direction arrows on the frame.
  • Secure it using the included screws or anti-vibration push pins.
  • Connect the 4-pin PWM connector to the motherboard or fan hub.
  • Power on the PC and verify proper airflow direction and operation.
  • Adjust fan speed settings in the BIOS or fan control software as needed.

Services, Licenses, and Plans Available

The be quiet! Silent Wings 4 - 140mm PWM is a hardware cooling solution and does not require a service plan or license. However, it includes manufacturer warranty coverage and technical support.

Available Plans & Support:

  • Standard Warranty – Comes with 3 years of coverage for defects and manufacturing issues.
  • Extended Warranty (Retailer-Dependent) – Some retailers offer additional warranty coverage.
  • Technical Support – Assistance with installation, compatibility, and troubleshooting.

Main Differences Between These Plans:

  • Standard Warranty covers defects for 3 years and is included with purchase.
  • Extended Warranty (if available) extends coverage beyond the standard period.
  • Technical Support is accessible to all users for setup and troubleshooting assistance.

10 Key Features of be quiet! Silent Wings 4 - 140mm PWM

  • Ultra-Quiet Performance – Operates at an incredibly low 13.6 dB(A).
  • PWM Speed Control – Adjusts dynamically for optimized cooling efficiency.
  • Airflow-Optimized Blade Design – Reduces turbulence while maximizing airflow.
  • Durable Fluid-Dynamic Bearing (FDB) – Extends lifespan and enhances silent operation.
  • 140mm Size – Ideal for case cooling, radiators, and high-performance air coolers.
  • Anti-Vibration Mounts – Minimizes vibration and noise transfer.
  • Customizable Mounting Corners – Ensures flexibility for various cooling configurations.
  • Energy-Efficient Motor – Operates with low power consumption.
  • Premium Build Quality – High-end materials ensure longevity and stability.
  • Reliable be quiet! Brand Support – Backed by strong customer service and warranty.

Similar Products / Competitor Products

  • Noctua NF-A14 PWM – A premium silent 140mm fan with outstanding cooling efficiency.
  • Corsair ML140 Pro PWM – Features magnetic levitation bearings for silent, high-performance cooling.

 

The be quiet! Silent Wings 4 - 140mm PWM is the perfect choice for users seeking a balance of silent operation and high cooling performance. Its airflow-optimized blades, fluid-dynamic bearing, and anti-vibration mounting make it a top-tier option for gaming rigs, professional setups, and silent PC builds.