OPSFALCON 2 Pack USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable, USB to 3 Pin / 4 Pin Case Fan Adapter Connector Cable (USB-3Pin/4Pin Cable)-Fast Shipping

Description

This cable is 5V USB port to small 3-pin / 4-pin fan cable, it allows you to power most case fans by using a USB connection, 3pin or 4pin case fan power adapter cable both OK

Connector: One is USB port, another one is small 3 pin / 4 pin case fan power adapter cable port

Cable length: 11.8inch

Fan must have a start voltage at or below 5V (fans with a higher start voltage will NOT work)

12V fans will be operated at a reduced 5V voltage for silent operation