# be quiet! Pure Power 11, 80 Plus Bronze Certified 300W ATX Power Supply

- Category: Power Supply
- Brand: be quiet!
- Model: Pure Power 11
- Part number: BN290
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.7/5 from 3157 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/be-quiet-pure-power-11-bn290/

## Description

n/a

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | Pure Power 11 |
| Power | 300 W  |
| Efficiency | 80+ Bronze |
| Color | Black |
| Form Factor | ATX |

## Key Features

- 80 PLUS Bronze efficiency (up to 87%)
- Two strong 12V-rails
- Silence-optimized 120mm be quiet! fan
- One PCI express connector for GPU card support
- High-quality sleeved cables with easy-plug HDD connector
- Full suite of top safety features

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