be quiet! Pure Wings 2 PWM 120 (BL039)
 | Expecting restock $9.99 Universal low speed low noise 120mm fan with standard 4-pin connector for connection to the motherboard. It is positioned as a product of the middle price category, focused on use as part of tower-type processor coolers. Can be installed in cases. It differs from most similar models by its original external design, the use of plain bearings with helical threads and a special shape of the blades, which allows for a more efficient air flow that does not disturb acoustic comfort. The declared noise level of the tested be quiet! Pure Wings 2 PWM 120 can be called low, it is 19.2 dB at a maximum speed of rotation of the blades of 1500 rpm. In this mode, the fan provides a capacity of up to 87 m³ of air per hour. The resource of the device is 80,000 hours, which may seem small compared to be qui...et! Silent Wings 2, where this figure reaches 300,000 hours. But 80,000 hours is more than 9 years of continuous operation, which is more than enough for typical home use. Pulse Width Modulation allows compatible controllers (including those used on motherboards) to intelligently adjust fan speed and noise levels. Thanks to PWM, the system can independently increase the speed when necessary, or reduce it to ensure a quiet PC operation. |
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Universal low speed low noise 120mm fan with standard 4-pin connector for connection to the motherboard. It is positioned as a product of the middle price category, focused on use as part of tower-type processor coolers. Can be installed in cases. It differs from most similar models by its original external design, the use of plain bearings with helical threads and a special shape of the blades, which allows for a more efficient air flow that does not disturb acoustic comfort.
The declared noise level of the tested be quiet! Pure Wings 2 PWM 120 can be called low, it is 19.2 dB at a maximum speed of rotation of the blades of 1500 rpm. In this mode, the fan provides a capacity of up to 87 m³ of air per hour. The resource of the device is 80,000 hours, which may seem small compared to be quiet! Silent Wings 2, where this figure reaches 300,000 hours. But 80,000 hours is more than 9 years of continuous operation, which is more than enough for typical home use. Pulse Width Modulation allows compatible controllers (including those used on motherboards) to intelligently adjust fan speed and noise levels. Thanks to PWM, the system can independently increase the speed when necessary, or reduce it to ensure a quiet PC operation.
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