# BE Quiet! System Power 9, 80+ Bronze Certified 400W ATX Power Supply

- Category: Power Supply
- Brand: be quiet!
- Model: System Power 9
- Part number: BN245
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.7/5 from 1419 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/power-supply/be-quiet-system-power-9-bn245/

## Description

n/a

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | System Power 9 |
| Power | 400 W |
| Efficiency | 80+ Bronze |
| Color | Black |
| Form Factor | ATX |

## Key Features

- BN245
- Alimentation ATX

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