# be quiet! Pure Power 10 500W 500W

- Category: Power Supply
- Brand: be quiet!
- Model: BN273
- Part number: BN273
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.5/5 from 70 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/power-supply/be-quiet-bn273/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | BN273 |
| Power | 500 W |
| Efficiency | 80+ Silver |
| Color | Black |
| Form Factor | ATX |

## Key Features

- Two strong 12V rails
- 80PLUS Silver efficiency (up to 91%)
- Stable operation thanks to Active Clamp and Synchronous Rectifier (SR) technology

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