1PCS SATA to 2x 3Pin/4Pin PWM Fan Splitter 12V Power Adapter Cable
The chassis fan power adapter cable supplies power to a 3-pin or 4-pin (PWM interface) PC chassis fan with a 15-pin SATA interface. One end of the SATA to 4-pin fan expansion cable is a SATA port, and the other end is a 4-pin fan port.