# be quiet! Straight Power 11 Platinum 750W, BN642, Fully Modular, Power Supply

- Category: Power Supply
- Brand: be quiet!
- Model: Straight Power 11
- Part number: BN642
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.8/5 from 772 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/be-quiet-straight-power-11-bn642/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | Straight Power 11 |
| Power | 750 W |
| Efficiency | 80+ Platinum |
| Color | Black |
| Form Factor | ATX |

## Key Features

- 80 PLUS Platinum efficiency (up to 93 7%)
- Virtually inaudible Silent Wings 3 135mm fan
- Funnel-shaped fan opening of the PSU case for high airflow intake
- Wire-free inside the PSU on the DC side for enhanced cooling and longevity
- Modular cables for maximum build flexibility

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