4PIN FAN SPLITTER CABLE: 2pcs 3pin computer fans and 1pc 4pin CPU fan powered by single motherboard female 4pin header,saves chassis interface and makes cable routing neater. PWM CONTROL: The PC fan splitter connected to a 4pin header on the motherboard and distributes the signal to 3 pwm fans that can spin at the same speed by using the software on the motherboard equipped with PWM control. WHITE BRAIDED SLEEVE: The unique white braided sleeve has durable construction for long lasting use. The white appearance is more compatible with light-colored chassis. WIDELY COMPATIBLE: 3Pin 4Pin fan extension splitter cable compatible with all 12V CPU fans and computer pc case fans.Add more cooling to your computer case with this PWM fan splitter cable. PACKAGE: 2 pack 27cm 10.63inches fan extension cable.