With the BattleBorn 3-Pin Fan "Y" Splitter Cable you will be able to split your existing 3-pin cable into two. Not only does this provide additional functionality for your system but the light blue braided cable adds a premium styling at an affordable price. Note: Only one 3-Pin male connector has a tachometer/speed wire. This is because motherboards/fan controllers cannot accurately read the fan speed when two speed signals are being given simultaneously. This cable is made correctly to avoid this problem, with only one tachometer wire on one of the male connectors.