ITEM NAME:8pcs PC Fan Speed Reduce 4 Pin Power Resistor Male to Female Cable Adapter E4A2 8pcs PC Fan Speed Reduce 4 Pin Power Resistor Male to Female Cable Adapter E4A2 4 Pin Male to Female Connector. Easy installation;Long service time. Designed with a resistor on the cable;Quite practical and useful. Use the 4-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. Product Name: Fan Resistor Cable Plug Type: 4Pin Male to Female Resistance: 47.3Ohm Material: Plastic Color: Blue+Yellow+White+Red+Black Total Length: 12cm / 4.7 inch Net Weight: 40g Package Contain: 8 x Fan Resistor Cables Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Designed with a resistor on the cable;Quite practical and useful. 4 Pin Male to Female Connector. Plug Type: 4Pin Male to Female. Resistance: 47.3Ohm.