Micro 4-Pin PWM GPU Fan Adapter PWM Fan Splitter 3Pin 4Pin Sleeved Adapter 1 to 4 Converter Braided Y Splitter Cables for Desktop Computer CPU Fan PC Fan.1 to 4 PWM fan splitter for 4-pin and 3-pin fans, PC chassis is used for motherboard CPU fan/cooling fan.For graphics card aftermarket cooling and deshroud modifications,Connect up to two 3-pin and 4-pin computer fans to a micro 4-pin fan header.Widely voltage 5V,12V,24V.Micro 4-Pin PWM GPU Fan Splitter Adapter Cable for Graphics Cards Compatible with all 4 pin and 3 pin case fans.Easy to plug, Perfect for larger enclosures.The extension cable is 10.5 inches（27cm） long for optimum pc fan placement.