Micro 3-Pin Fan Connector to 4-Pin Molex Internal 5V Power Adapter Cable, PC-010 

This micro 3-Pin to 4-Pin 2-wire fan adapter cable features a 3-Pin Micro connector on one end, a standard Molex 4-Pin connector on the other end with 2 wire cable. Allows you to connect a 3-Pin 5 volt fan to your Motherboard Power Header.

Specifications:

CablesOnline Part Number: PC-010