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Enlabs PCIFANCO4S 8 Channel 3-pin CPU / Case Fan speed Controller w/ OFF Switch,8 Way 12V/1.5A Max. 3pin Fan RPM Speed Reduce Regulator w/ PCI Slot Cover - Power by SATA - Newegg.com
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Amazon.com: Derale 16788 High Amperage Dual Fan Controller Push In Probe , Black : Automotive