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AWD-IT.co.uk£24.77Visit shop Be Quiet Black Be Quiet! Pure Wings 3 120Mm Pwm Reverse Triple Pack Fan - Bl137
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The be quiet! Pure Wings 3 120mm PWM Reverse Triple Pack is designed for PC builders who prioritize both aesthetics and cooling efficiency in fishtank-style or windowed cases. By utilizing reversed fan blades, these fans draw air into the system while maintaining an attractive front-facing appearance, making them ideal for bottom or side intake mounts. While they excel at move airflow in intake configurations, users should note that they are specifically engineered for intake and not intended for exhaust positions.
| Colour | Black |
|---|---|
| Model Part Number | BL137 |
| Brand | be quiet! |
While technically possible, they are optimized for intake. Using them as exhaust will not provide the intended aesthetic benefit and may result in suboptimal airflow patterns.
Yes, they use a standard 4-pin PWM connector which is compatible with nearly all modern motherboard fan headers.
No, you can control the speed directly through your motherboard BIOS using PWM signal management.
The product includes a 3-year manufacturer warranty.
This is a Triple Pack, meaning it contains three 120mm fans.
No, this specific model (Pure Wings 3) focuses on performance and clean aesthetics without integrated lighting.
Ensure the fan is connected to a 4-pin PWM header on the motherboard and verify that the BIOS setting for that specific fan header is set to 'PWM' mode rather than 'DC' or 'Auto'.
Check that all mounting screws are fully tightened and the fan frame is seated flush against the case mount. Ensure no cables are touching the fan blades.
Installation is straightforward using the included screws. Ensure the fans are oriented so the blades push air toward the interior of the case. Connect the 4-pin PWM header directly to a `SYS_FAN` or `CHA_FAN` port on your motherboard to enable speed control via the BIOS or software. To maintain optimal performance and silence, periodically clean the fan blades with a blast of compressed air to prevent dust buildup, which can cause vibration or turbulence over time. The fans are compatible with any case supporting standard 120mm mounts.
