Aerocool Fan Controller with USB 3.0 and Audio/Mic (StrikeX-X1000) AeroCool StrikeX-X1000 Fan speed controller with LEDs indicator. Control up to 5 Fans with easy radio dial button to adjust fan speed between 0 RPM to Maximum speed. With built in safety fuse to prevent over powered damaged and fan fail alarm warning. Connectors: 5 x 4-pin Molex connectors. Support fan up to 25 watts per channel. Include 2 x USB3.0, Audio and Mic Ports. Include 4 screws and 2 spare fan cables. Dimension: 148.6(W) x 42.5(H) x 65(D) mm = 1 x 5.