Jocestyle 10-Pieces 12V 3-Pin Male to 3-pin Female PC Fan Power Extension Lengthen Cable Features 3 Pin Male to Female Connector. Easy installation. Long service time. Designed with a resistor on the cable. Quite practical and useful. Use the 3-pin cable to connect the power supply to your cooling fan, it will reduce the speed of the fan and cut the noise output dramatically. Main Material: Plastic Total Length: 26cm / 10.2"