# Fan be quiet! SILENT WINGS 4 140mm PWM White

**URL:** https://aio.lv/en/product--bequiet-bl116--10877913
**Data updated:** 2025-12-30 12:50 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** bequiet!
**Manufacturer code:** BL116
**EAN:** 4260052191071
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 24.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bequiet-bl116--10877913

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The be quiet! SILENT WINGS 4 is a 140mm PWM fan designed for optimal cooling performance. With a maximum rotational speed of 1100 RPM, it delivers an airflow of 87.2 m³/h and a maximum air pressure of 0.92 mmH2O. Featuring a rifle bearing for durability, it operates at a voltage range of 5 - 13.2 V. Its compact dimensions of 140 x 140 x 25 mm and sleek white color make it an excellent choice for any computer case.

## Long description

be quiet! SILENT WINGS 4 140mm PWM White is a 140 mm case fan designed to combine very low noise with effective airflow. It features a 6-pole motor, rifle bearing and anti-vibration mountings. With dimensions of 140 x 140 x 25 mm and a white finish, this fan is intended for high-end PC builds that require quiet but reliable cooling.
Advantages
The 6-pole motor and optimized blade geometry provide stable airflow at a maximum rotational speed of 1100 RPM while keeping acoustic output minimal. Anti-vibration mountings reduce structure-borne noise and the rifle bearing offers long-term durability. The fan delivers up to 87.2 m³/h airflow and a maximum air pressure of 0.92 mmH2O, making it suitable for constrained spaces inside a case.
Suitable for
CPU and case ventilation in compact or full-size desktop PCs
Quiet high-end systems where low noise is a priority
Cases requiring a 140 mm fan with PWM speed control
Key specifications
Type: Fan
Fan diameter: 140 mm
Dimensions: 140 x 140 x 25 mm
Maximum speed: 1100 RPM
Maximum airflow: 87.2 m³/h
Maximum air pressure: 0.92 mmH2O
Bearing: Rifle bearing
Voltage range: 5–13.2 V
Colour: White
Weight: 0.22 kg
How to use
Install the fan in a 140 mm mounting position inside the PC case, observing airflow direction indicated on the frame. Connect the PWM cable to a compatible motherboard fan header to allow automatic speed regulation. Secure the fan using the provided screws or anti-vibration mounts and route cables to avoid contact with the blades.
Usage recommendations
Use the fan on a PWM-enabled header for optimal balance of noise and cooling. For best results, combine intake and exhaust fans to create directed airflow and check periodic dust removal to maintain performance.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | Fan |
| Fan diameter | 140 mm |
| Noise level (high speed) | 13.6 dB |
| Rotational speed (max) | 1100 RPM |
| Maximum airflow | 51.3 cfm |
| Airflow | 87.2 m³/h |
| Maximum air pressure | 0.92 mmH2O |
| Bearing type | Rifle bearing |
| Pulse-width modulation (PWM) support | Yes |
| Suitable location | Computer case |
| Quantity per pack | 1 pc(s) |
| Fan's mean time to failure (MTTF) | 300000 h |

### Design

| Feature | Value |
|---|---|
| Product colour | White |
| Fan connector | 4-pin |

### Weight & dimensions

| Feature | Value |
|---|---|
| Cable length | 0.5 m |
| Weight | 0.22 kg |
| Package weight | 390 g |
| Height | 25 mm |
| Width | 140 mm |
| Depth | 140 mm |
| Package depth | 206.5 mm |
| Package height | 31 mm |
| Package width | 156 mm |

### Technical details

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | Triman |
| Warranty period | 3 year(s) |
| Compliance certificates | UKCA, RoHS, CE, WEEE |

### Power

| Feature | Value |
|---|---|
| Rated current | 0.3 A |
| Voltage | 5 - 13.2 |
| Rated voltage | 12 V |
| Fan power consumption | 3.6 W |

### Packaging content

| Feature | Value |
|---|---|
| Number of screws | 4 |
| Screws included | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Shipping (inner) case width | 317 mm |
| Shipping (inner) case length | 463 mm |
| Shipping (inner) case height | 388 mm |
| Shipping (inner) case gross weight | 13580 g |

## FAQ

### How much does the Fan be quiet! SILENT WINGS 4 140mm PWM White cost, and is it available for purchase?

The price is 29.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 46 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All bequiet! products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized bequiet! service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, fan diameter, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Fan be quiet! SILENT WINGS 4 140mm PWM White?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10877913/65754790_large.webp