# All-in-one liquid cooler be quiet! Silent Loop 3 420 mm 14 cm Black

**URL:** https://aio.lv/en/product--bequiet-bw026--11337963
**Data updated:** 2025-12-30 21:08 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** bequiet!
**Manufacturer code:** BW026
**EAN:** 4260052192559
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 150.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 124.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bequiet-bw026--11337963

## 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 Loop 3 is a 420 mm all-in-one liquid cooler designed for high-performance cooling. It features a 14 cm fan diameter, airflow of 133.2 m³/h, and a maximum air pressure of 2.36 mmH2O. The Fluid Dynamic Bearing ensures quiet operation, making it ideal for silent builds. With a sleek black design, it fits seamlessly into any setup.

## Long description

be quiet! Silent Loop 3 420 mm is an all-in-one liquid cooler designed for high-performance CPU cooling with a 420 mm radiator and 140 mm fans. The unit combines advanced cooling technology and quiet operation thanks to a fluid dynamic bearing and carefully engineered components. Its black finish fits modern PC builds seeking a balance of effective thermal management and low noise.
Advantages
The Silent Loop 3 offers efficient heat dissipation across a large 420 mm radiator while maintaining low acoustic levels. Its 140 mm fan design provides substantial airflow (133.2 m³/h) and a maximum air pressure of 2.36 mmH2O for consistent cooling performance. The included fluid dynamic bearing reduces operational noise and extends fan lifespan. The cooler is pre-assembled as an all-in-one solution for straightforward installation and compact cable management.
Suitable for (tasks / use cases)
High-performance gaming PCs requiring sustained CPU cooling
Workstations and content-creation rigs with heavy multi-threaded loads
Silent or low-noise system builds
Systems using LGA 1700, AM4, AM5 or other supported CPU sockets
Key specifications
Type: All-in-one liquid cooler
Radiator size: 420 mm
Fan diameter: 140 mm
Airflow: 133.2 m³/h
Maximum air pressure: 2.36 mmH2O
Bearing type: Fluid Dynamic Bearing
Supported sockets: LGA 1150, LGA 1151, LGA 1155, LGA 1200, LGA 1700, Socket AM4, Socket AM5, Socket TR4
Weight: 2.01 kg
Colour: Black
How to use
Install the Silent Loop 3 by mounting the 420 mm radiator into compatible case radiator positions and attaching the 140 mm fans in the recommended push or pull configuration. Secure the pump/block assembly to the CPU socket using the provided mounting hardware for your specific socket type. Connect fan and pump power cables to the appropriate motherboard headers or controller, and verify pump and fan operation in BIOS or with monitoring software before full system operation.
Usage recommendations
For optimal performance, ensure good case airflow with clear intake and exhaust paths, check that the case supports a 420 mm radiator, and verify socket compatibility before purchase. Periodically inspect fan operation and radiator fins for dust accumulation and clean as needed to maintain cooling efficiency.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | All-in-one liquid cooler |
| Fan diameter | 140 mm |
| Supported processor sockets | LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5, Socket TR4 |
| Noise level (low speed) | 19.4 dB |
| Noise level (high speed) | 34.3 dB |
| Maximum airflow | 78.4 cfm |
| Airflow | 133.2 m³/h |
| Maximum air pressure | 2.36 mmH2O |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Pulse-width modulation (PWM) support | Yes |
| Suitable location | Processor |
| Pump motor speed (max) | 3500 RPM |
| Pump motor speed | 3500 RPM |
| Pump motor speed (min) | 1700 RPM |
| Fan speed (max) | 1900 RPM |
| Quantity per pack | 1 pc(s) |
| Pump connector | 4-pin |
| Fan's mean time to failure (MTTF) | 300000 h |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Illumination colour | Multi |
| Number of fans | 3 fan(s) |
| Base plate material | Copper |
| Fan connector | 4-pin |
| Radiator material | Aluminum |
| Illumination LED | Yes |
| LED connector type | 3-pin |

### Weight & dimensions

| Feature | Value |
|---|---|
| Cable length | 0.5 m |
| Weight | 2.01 kg |
| Package weight | 3300 g |
| Height | 475 mm |
| Width | 140 mm |
| Depth | 52 mm |
| Package depth | 499 mm |
| Package height | 154 mm |
| Package width | 204 mm |
| Radiator width | 140 mm |
| Radiator depth | 457 mm |
| Radiator height | 27 mm |
| Tube length | 400 mm |
| Fan dimensions (W x D x H) | 120 x 120 x 25 |
| Waterblock width | 80 mm |
| Waterblock depth | 56 mm |
| Waterblock height | 93.5 mm |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | Triman |
| Warranty period | 3 year(s) |
| Compliance certificates | CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE |

### Power

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

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |
| Package type | Box |
| Mounting kit | Yes |
| Screws included | Yes |
| CPU bracket(s) | Yes |

### Other features

| Feature | Value |
|---|---|
| Thermal grease | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Shipping (inner) case width | 424 mm |
| Shipping (inner) case length | 511 mm |
| Shipping (inner) case height | 336 mm |
| Shipping (inner) case gross weight | 14800 g |
| Products per shipping (inner) case | 4 pc(s) |

## FAQ

### How much does the All-in-one liquid cooler be quiet! Silent Loop 3 420 mm cost, and is it available for purchase?

The price is 150.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 226 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, supported processor sockets, 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 All-in-one liquid cooler be quiet! Silent Loop 3 420 mm?

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/11337963/65756228_large.webp