The Y-Splitter means that you can connect 2 fans to one fan header Phanteks Y splitter can also be used with other 3-pin (PH-CB-Y3P) or 4-pin (PH-CB-Y4P) fans as well maximizing the amount of fans you can have in your build Features Connector 1 Molex (3-pin) Connector 2 2 x Molex (3-pin) Cable length 011 m Connector 1 form factor Straight Connector 2 form factor Straight Product colour Black Connector gender Male Female