Package contains 5 splitter cables, sufficient for multi-fan chassis layout expansion; 1 input splits into 3 outputs, one motherboard PWM header drives up to three cooling fans; Standard 4-pin PWM design retains speed regulation and temperature automatic adjustment function; Compact molded connector with secure locking tabs, avoids loose contact during long-term operation; Plug-and-play installation, no drivers or soldering required for quick chassis wiring upgrade