---
product_id: 67824394
title: "Dynatron B11 3U Active Narrow Type CPU Cooler for Intel FCLGA3647"
brand: "coolerguys"
price: "548 zł"
currency: PLN
in_stock: true
category: "Personal Computers"
url: https://www.desertcart.pl/products/67824394-dynatron-b11-3u-active-narrow-type-cpu-cooler-for-intel
store_origin: PL
region: Poland
---

# Dynatron B11 3U Active Narrow Type CPU Cooler for Intel FCLGA3647

**Brand:** coolerguys
**Price:** 548 zł
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Dynatron B11 3U Active Narrow Type CPU Cooler for Intel FCLGA3647 by coolerguys
- **How much does it cost?** 548 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/67824394-dynatron-b11-3u-active-narrow-type-cpu-cooler-for-intel)

## Best For

- coolerguys enthusiasts

## Why This Product

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

## Description

Dynatron B11 3U Active Narrow Type CPU Cooler﻿Intel® Socket FCLGA3647 Narrow ILM 80x80x25mm PWM Fan Aluminum heatsink with heat pipe embedded for 3U Server up to CPU power 205 WattsPRODUCT SPECIFICATIONS: CPU Support: Intel CPU Socket: FCLGA3647 Solution: 3U Server and Up Dimensions: 108.0 x 80.0 x 110.0mm Weight: 600 g Material: Aluminum Heatsink with Heatpipe Embedded Fan Dimension: 80 x 80 x 25 mm Rated Voltage: 12V Bearing: 2 Ball BearingSpeed At Duty Cycle 20%: 1300 ± 200 RPM At Duty Cycle 50%: 2300 ± 10% RPM At Duty Cycle 100%: 4000 ± 10% RPM Power At Duty Cycle 20%: 0.96 W At Duty Cycle 50%: 1.44 W At Duty Cycle 100%: 4.8 W Air Flow At Duty Cycle 20%: 12.5 CFM At Duty Cycle 50%: 28.8 CFM At Duty Cycle 100%: 50.0 CFM Noise Level At Duty Cycle 20%: 16 dBA At Duty Cycle 50%: 30.2 dBA At Duty Cycle 100%: 42.2 dBA Air Pressure At Duty Cycle 20%: 0.5 mm-H2O At Duty Cycle 50%: 2.6 mm-H2O At Duty Cycle 100%: 7.8 mm-H2O Lead Wire Pin Out Pin1- (-) Pin2- (+) Pin3- (Techometer / Signal output) Pin4- (PWM) Thermal Grease: Shin-Etsu 7762 Pre-printed CERTIFICATIONS: RoHS and UL Certificate

## Features

- CPU Support: Intel
- Dimensions: 108.0 x 80.0 x 110.0mm
- Material: Aluminum Heatsink with Heatpipe Embedded
- Bearing: 2 Ball Bearing
- CERTIFICATIONS: RoHS and UL Certificated

## Images

![Dynatron B11 3U Active Narrow Type CPU Cooler for Intel FCLGA3647 - Image 1](https://images-na.ssl-images-amazon.com/images/I/41hsY8I93QL.jpg)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-17*