Features: DURABLE QUALITY-Two types of one-turn four-distributor fan power extension cables, The exterior is made of high-quality black braided sleeve, The Conductor Uses Bare Copper, Stable Power Supply, Safe Use PRODUC TYPE-4 Pin PWM Fan Splitter Cabl, 4 Pin Molex to 3 x 3 pin PWM Fan Splitter Cabl Widely Applicable-Be used for PC Computer Expand the motherboard 4-pin interface, PWM speed control and multiple cooling fans Package Includes-1Piece 4 Pin PWM Fan Splitter Cabl(27cm), 1Piece 4 Pin Molex to 3 x 3 pin PWM Fan Splitter Cabl(27cm) ANNEX-The Power Must be Turned off Before Installation, Addition Hot Swap is not Supported