4-pin PWM 1 to 5 splitter fan power supply extension cable better power supply for PC computer case internal motherboard fans. Widely Compatible: support 4-pin and 3-pin fans cable, can compatible with all 12V CPU fans and computer pc case fans extension, the 1 to 5 splitter 5 way hub fan power extension cable compatible with 4-pin and 3-pin PC case motherboard fans. 1 black 15.7 inch 1-to-5 splitter fan power supply extension cables, black braided sleeve and tinned copper wire,lower resistance,stable and durable quality. PWM Fan Hub cpu Fan splitter cable can extended 1pcs CPU fan port to 5pcs fan ports to solve the port shortage of computer pc case fans.