# be quiet Pure Wings 2 140mm PWM Premium Low Noise Cooling Fan | Black | BL040

- Category: Case Cooler
- Brand: be quiet!
- Model: Pure Wings 2
- Part number: BL040
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.8/5 from 5557 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/case-cooler/be-quiet-pure-wings-2-bl040/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | be quiet! |
| Model | Pure Wings 2 |
| FAN RPM | 400 to 1000 RPM |
| Noise Level | 19.8 dBA |
| Airflow | 61.2 CFM |

## Key Features

- Nine airflow-optimized fan blades reduce noise-generating turbulence. Air flow - 61.2 CFM. Noise level - 19.8 decibels
- Long life rifle-bearing gives an operating lifetime of 80, 000 hours
- Even at maximum speed, operates at only 19.8 dBA)
- Especially recommended for use in water cooling and CPU cooling builds
- Pwm controlled fan speed through the motherboard

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