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Amazon.com: ARCTIC F14 Silent - 140 mm Case Fan, Ultra-Quiet, Extra Quiet Motor, Computer, Almost inaudible, Fan Speed: 800 RPM - Black/White : Electronics
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12V 4 Pin 140mm DC Silent CPU Cooling Fan High Airflow 2300RPM Speed Adjustable Computer Cooler Quiet for PC Chassis Radiating| | - AliExpress
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