---
product_id: 361235227
title: "be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX"
brand: "be quiet!"
price: "€ 245.67"
currency: EUR
in_stock: false
reviews_count: 1
url: https://www.desertcart.de/products/361235227-be-quiet-tfx-power-3-300w-80-plus-gold-efficiency
store_origin: DE
region: Germany
---

# 300W continuous power 21.7dB ultra-quiet fan 80 PLUS Gold efficiency (91.7%) be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX

**Brand:** be quiet!
**Price:** € 245.67
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power your compact setup with silent efficiency!

## Quick Answers

- **What is this?** be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX by be quiet!
- **How much does it cost?** € 245.67 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/361235227-be-quiet-tfx-power-3-300w-80-plus-gold-efficiency)

## 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

- • **Power that keeps up:** Reliable 300W continuous output for your mini or media PC needs
- • **Efficiency that saves:** 80 PLUS Gold certification means up to 91.7% energy efficiency—cut your power bills and carbon footprint
- • **Stable dual 12V rails:** Supports PCIe graphics cards with rock-solid voltage stability
- • **Whisper-quiet cooling:** Temperature-controlled 80mm fan maxes at 21.7dB(A) for near-silent operation
- • **Sleek cable management:** Up to 60cm sleeved or flat black cables for a clean, professional build

## Overview

The be quiet! TFX Power 3 300W is a compact, high-efficiency power supply designed for mini and media PCs. Featuring 80 PLUS Gold certification with up to 91.7% efficiency, dual 12V rails for stable PCIe graphics support, and a whisper-quiet temperature-controlled 80mm fan operating at just 21.7dB(A), it delivers reliable power with minimal noise. Its sleek sleeved or flat black cables up to 60cm ensure tidy builds, all backed by German engineering and a 3-year warranty.

## Description

TFX Power 3 300W Gold: the upgraded be quiet! high-efficiency PSU for mini and media PCs with 80 PLUS® Gold certification and PCIe graphics card support. ● 80 PLUS® Gold efficiency (up to 91.7%) for lower power consumption ● Strong dual 12V-rails for high stability and PCIe graphics card support ● 300W of continuous power ● High-quality temperature-controlled 80mm fan for low-noise operation of max. 21.7dB(A) ● Sleeved or flat black cables up to 60cm long ● Meets the latest safety and efficiency requirements ● Modern safety protections reliably defend against numerous failures ● Standby draw less than 0.17 watts ●Three-year manufacturer’s warranty ● Product conception, design and quality control in Germany

Review: Very quiet - Excellent and very very quiet

## Features

- 80 PLUS Gold efficiency (up to 91.7%) for lower power consumption
- Strong dual 12V-rails for high stability and PCIe graphics card support
- 300W of continuous power
- High-quality temperature-controlled 80mm fan for low-noise operation of max. 21.7dB(A)
- Sleeved or flat black cables up to 60cm long

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0937HPKFT |
| Are Batteries Included | No |
| Best Sellers Rank | 117,821 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 1,278 in Power Supplies |
| Brand | be quiet! |
| Colour | Black |
| Computer Memory Type | DIMM |
| Date First Available | 22 April 2021 |
| Form Factor | TFX12V |
| Guaranteed software updates until | unknown |
| Item Weight | 1.4 kg |
| Item model number | BN323 |
| Manufacturer | bequiet! |
| Operating System | Windows |
| Product Dimensions | 17.5 x 8.5 x 6.5 cm; 1.4 kg |
| Series | TFX |
| Wattage | 300 watts |

## Product Details

- **Brand:** be quiet!
- **Compatible devices:** Personal Computer
- **Connector type:** PCI Express
- **Cooling method:** Air
- **Form factor:** TFX12V
- **Item dimensions L x W x H:** 17.5 x 8.5 x 6.5 centimetres
- **Item weight:** 1.4 Kilograms
- **Model name:** TFX
- **Output wattage:** 300
- **Wattage:** 300 watts

## Images

![be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX - Image 1](https://m.media-amazon.com/images/I/41LjJrKqmGL.jpg)
![be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX - Image 2](https://m.media-amazon.com/images/I/51BZC3hitKL.jpg)
![be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX - Image 3](https://m.media-amazon.com/images/I/51G9xUPjVOL.jpg)
![be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX - Image 4](https://m.media-amazon.com/images/I/51rvbYM0EkL.jpg)
![be quiet! TFX Power 3 300W, 80 PLUS Gold efficiency, power supply, TFX - Image 5](https://m.media-amazon.com/images/I/51xk4H9iwuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very quiet
*by P***W on 26 April 2025*

Excellent and very very quiet

## Frequently Bought Together

- TFX POWER 3
- Samsung 990 PRO SSD NVMe M.2 PCIe Gen4, M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P2T0B/AM
- AMD RYZEN 7 9800X3D 8-Core, 16-Thread Desktop Processor

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**Shop now:** [https://www.desertcart.de/products/361235227-be-quiet-tfx-power-3-300w-80-plus-gold-efficiency](https://www.desertcart.de/products/361235227-be-quiet-tfx-power-3-300w-80-plus-gold-efficiency)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-01-22*