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Amazon.com: be quiet! Silent Wings Pro 4 140mm PWM High Speed 2400 RPM Premium Low Noise Cooling Fan | 4-Pin | BL099 : Electronics
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be quiet! Silent Wings 4 (Pro) 140 mm Case Fan Review - When the name says it all | Part 2 | igor'sLAB : r/hardware
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be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan | 4-Pin | Ideal for Radiators and Heat Syncs | 3-Pack | Black | BL079 : Electronics - Amazon.com
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Amazon.com: be quiet! Light Wings 140mm PWM Premium Low Noise ARGB Cooling Fan | 4-Pin | Black | BL074 : Electronics
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