---
product_id: 460158976
title: "Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099"
brand: "be quiet!"
price: "212.95 DT"
currency: TND
in_stock: true
category: "Be Quiet!"
url: https://www.desertcart.tn/products/460158976-silent-wings-pro-4-140mm-pwm-high-speed-2400-rpm
store_origin: TN
region: Tunisia
---

# 97.4 CFM airflow Virtually inaudible operation 2400 RPM max speed Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099

**Brand:** be quiet!
**Price:** 212.95 DT
**Availability:** ✅ In Stock

## Summary

> 🌀 Silence meets power — cool your rig like a pro!

## Quick Answers

- **What is this?** Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099 by be quiet!
- **How much does it cost?** 212.95 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/460158976-silent-wings-pro-4-140mm-pwm-high-speed-2400-rpm)

## Best For

- be quiet! enthusiasts

## Why This Product

- Trusted be quiet! brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **High-pressure design:** Funnel-shaped air outlet and minimal tip clearance generate extreme air pressure for superior heat dissipation.
- • **Whisper-quiet operation:** Experience near-silent cooling with advanced 6-pole motor and fluid-dynamic bearing technology.
- • **Customizable speed control:** Switch between medium, high, and ultra-high PWM speeds up to 2400 RPM for tailored performance.
- • **Durability meets performance:** Robust copper materials and vibration-reducing motor ensure smooth, long-lasting operation.
- • **Precision-engineered airflow:** Optimized fan blades deliver peak cooling efficiency on radiators and heat sinks.

## Overview

The be quiet! Silent Wings Pro 4 140mm PWM fan combines ultra-high airflow (97.4 CFM) with whisper-quiet operation at speeds up to 2400 RPM. Designed with optimized blades and a funnel-shaped frame, it delivers exceptional cooling pressure for radiators and heat sinks, while its 6-pole motor and fluid-dynamic bearing minimize vibration and noise. Perfect for professionals seeking premium, customizable cooling performance with minimal sound.

## Description

Buy be quiet! Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099: Case Fans - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Optimized fan blades for the highest performance on radiators and heat sinks
- Speed switch allows changing maximum PWM speed between medium-speed, high-speed and ultra-high-speed (up to 2400 rpm)
- Small tip clearance and a fan frame with a funnel-shaped air outlet for extremely high air pressure
- Virtually inaudible operation at regular speed
- 6-pole fan motor and fluid-dynamic bearing for less vibration and very smooth operations

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B74CP6X2 |
| Air Flow Capacity | 97.4 cfm |
| Best Sellers Rank | #23 in Computer Case Fans |
| Brand Name | be quiet! |
| Compatible Devices | Radiator |
| Cooling Method | Fan |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,176) |
| Global Trade Identification Number | 04260052188910 |
| Included Components | be quiet! Fan BL099 Silent Wings Pro 4 140mm PWM Black Retail |
| Item Dimensions L x W x H | 5.51"L x 0.98"W x 5.51"H |
| Item Weight | 310 g |
| Manufacturer | be quiet! |
| Material Type | Copper |
| Maximum Rotational Speed | 2400 rpm |
| Model | BL099 |
| Noise Level | 36.8 db |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | BL099 |
| Power Connector Type | 4-Pin |
| Set Name | PWM Pro Version |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | 1 year |
| Wattage | 3.04 watts |

## Product Details

- **Brand:** be quiet!
- **Compatible Devices:** Radiator
- **Cooling Method:** Fan
- **Material:** Copper
- **Maximum Rotational Speed:** 2400 rpm
- **Noise Level:** 36.8 db
- **Power Connector Type:** 4-Pin
- **Product Dimensions:** 5.51"L x 0.98"W x 5.51"H
- **Voltage:** 12 volts
- **Wattage:** 3.04 watts

## Images

![Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099 - Image 1](https://m.media-amazon.com/images/I/71oTv6qUmKL.jpg)

## Available Options

This product comes in different **Color, Size, Set** options.

## Frequently Bought Together

- be quiet! Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099
- be quiet! Silent Wings 4 Cooling Fan | 120mm PWM high-Speed | White | BL115

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/460158976-silent-wings-pro-4-140mm-pwm-high-speed-2400-rpm](https://www.desertcart.tn/products/460158976-silent-wings-pro-4-140mm-pwm-high-speed-2400-rpm)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-12*