# be quiet! Pure Performance Power 11 FM 650W ATX Quiet Performance Power Supply| 80 Plus Gold Efficiency | BN671

- Category: Power Supply
- Brand: be quiet!
- Model: Pure Power 11 FM
- Part number: BN671
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.7/5 from 401 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/power-supply/be-quiet-pure-power-11-fm-bn671/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | Pure Power 11 FM |
| Power | 650 W |
| Efficiency | 80+ Gold |
| Color | Black |
| Form Factor | ATX |

## Key Features

- 80 PLUS Gold efficiency (up to 93.3%)
- Modular cables for maximum build flexibility
- Two strong 12V-rails
- Silence-optimized 120mm be quiet! fan
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC

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