--- product_id: 732943018 title: "be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK" brand: "be quiet!" price: "€ 85.65" currency: EUR in_stock: true reviews_count: 7 category: "Be Quiet!" url: https://www.desertcart.hr/products/732943018-be-quiet-case-fan-silent-wings-pro-4-140mm-pwm store_origin: HR region: Croatia --- # 97.4 CFM airflow 36.8 dB ultra-quiet 2400 RPM max speed be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK **Brand:** be quiet! **Price:** € 85.65 **Availability:** ✅ In Stock ## Summary > 💨 Silence Meets Power: Cool Your Rig Without the Noise! ## Quick Answers - **What is this?** be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK by be quiet! - **How much does it cost?** € 85.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/732943018-be-quiet-case-fan-silent-wings-pro-4-140mm-pwm) ## 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 - • **Built to Last:** Durable materials and a 5-year warranty guarantee long-term reliability and peace of mind. - • **Whisper-Quiet Cooling:** Virtually inaudible operation keeps your workspace distraction-free. - • **Vibration-Free Operation:** 6-pole motor with hydraulic bearings ensures ultra-smooth, low-vibration fan movement. - • **Customizable Speed Control:** PWM switch lets you toggle between medium, fast, and ultra-fast rotations for tailored performance. - • **Precision Airflow Engineering:** Optimized fan blades and funnel outlet deliver extreme air pressure for superior cooling. ## Overview The be quiet! Silent Wings Pro 4 140mm PWM fan combines high airflow (97.4 CFM) with ultra-quiet operation (36.8 dB) and a max speed of 2400 RPM. Engineered with optimized blades, a funnel air outlet, and a 6-pole hydraulic bearing motor, it delivers powerful, vibration-free cooling. Perfect for professionals seeking silent yet efficient PC cooling backed by a 5-year warranty. ## Description desertcart.co.jp: be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK : Computers Review: A bit expensive but very quiet - I was looking to low down the noise of my computer and i am very happy with this fans Review: best performance - I love it. 140mm case fan with the best performance. ## Features - Optimized fan blades for optimum performance in radiators and heatsinks - Speed switch allows you to change PWM maximum rotations between medium, fast and ultra-fast - Fan frame with small tip clearance and funnel air outlet for extreme air pressure - Virtually inaudible operation at normal rotations - 6-pole fan motor and hydraulic bearings for ultra-smooth operation with less vibration ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B74CP6X2 | | Air Flow Capacity | 97.4 Cubic Feet Per Minute | | Amazon Bestseller | #66,139 in Computers ( See Top 100 in Computers ) #493 in Computer Case Fans | | Brand Name | be quiet! | | Compatible Devices | Laptop | | Cooling Method | Fan | | Country Of Origin | China | | Customer Reviews | 4.7 4.7 out of 5 stars (457) | | Global Trade Identification Number | 04260052188910 | | Included Components | Fan corner for radiator, rubber and hard plastic mount, push pins, fan screws, manual | | Item Dimensions L x W x H | 14L x 2.5W x 14H cm | | Item Type Name | Case Fan | | Item Weight | 310 Grams | | Manufacturer | be quiet! | | Material Type | Plastic Rubber | | Maximum Rotational Speed | 2400 RPM | | Noise Level | 36.8 Decibels | | Power Connector Type | 4-Pin | | Unit Count | 1 Count | | Voltage | 12 Volts | | Warranty Description | 5 years, Document required, Limited warranty for use in Japan | | Wattage | 3.04 W | ## Product Details - **Brand:** be quiet! - **Compatible Devices:** Laptop - **Cooling Method:** Fan - **Material:** Plastic Rubber - **Maximum Rotational Speed:** 2400 RPM - **Noise Level:** 36.8 Decibels - **Power Connector Type:** 4-Pin - **Product Dimensions:** 14L x 2.5W x 14H cm - **Voltage:** 12 Volts - **Wattage:** 3.04 W ## Images ![be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK - Image 1](https://m.media-amazon.com/images/I/71oTv6qUmKL.jpg) ![be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK - Image 2](https://m.media-amazon.com/images/I/61Tf43y4uML.jpg) ![be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK - Image 3](https://m.media-amazon.com/images/I/619qBfL1udL.jpg) ![be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK - Image 4](https://m.media-amazon.com/images/I/7147vOX3SZL.jpg) ![be quiet! Case Fan Silent Wings Pro 4 140mm PWM 2400rpm Low Noise Fan BL099 SLT-WNG-PRO-4/140/PWM/BK - Image 5](https://m.media-amazon.com/images/I/61Gyv4oYt3L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ A bit expensive but very quiet *by デ***エ on January 1, 2025* I was looking to low down the noise of my computer and i am very happy with this fans ### ⭐⭐⭐⭐⭐ best performance *by A***ー on April 13, 2024* I love it. 140mm case fan with the best performance. ### ⭐⭐⭐⭐⭐ Review *by T***S on February 26, 2024* Silenziosissime e molto performanti ## 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.hr/products/732943018-be-quiet-case-fan-silent-wings-pro-4-140mm-pwm](https://www.desertcart.hr/products/732943018-be-quiet-case-fan-silent-wings-pro-4-140mm-pwm) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-23*