ADDRESSING INTERFACE SHORTFALLS: (The pwm fan hub is connected to the motherboard cpu fan interface, and the first cpu fan dedicated interface, FAN1/FAN2/FAN3 interfaces are pwm regular fan interfaces. )1 to 4-5 interfaces, which solves the problem of insufficient motherboard fan interfaces at one time. Better power supply for the motherboard fan inside the PC computer case, allowing you to more easily improve the performance of the PC computer case. PREMIUM NYLON MATERIAL: The PWM cable extension cord is made of flexible yet strong braided black nylon, which is more durable, makes the inside of the PC case look cleaner and neater, and avoids dust and breakage. The black braiding is neatly arranged with other cables and will not be damaged by the sharp edges of the cabinet chassis. WIDELY COMPATIBLE: The Power Supply Cable 1 to 5 Way Splitter is 4-pin female connector to 4-pin male connector, support 4-pin and 3-pin fans cable.1 to 5 way splitter pc case fan hub 4-pin PWM fan power supply extension cable cordCompatibility with all popular brands of cooling fans such as Antec, Corsair, Circle, etc. 1 to 5 way splitter pc case fan hub 4-pin PWM fan power supply extension cable cord, PLUG AND PLAY, EASY TO INSERT: PC Motherboard Case Fan hub provides greater flexibility between the motherboard and CPU cooling fans. The adhesive on the back can be used to fix the hub in the case, which can be installed without tools and is not easy to fall off. Easy to use, the fan extension cable provides greater flexibility between the motherboard and CPU cooling fans. IDEAL LONG LENGTH: 15.7", 1 to 5 fan splitter power extension cord, male to female connector plug, its an ideal length to reach to the fans from the motherboard header pin. Nylon braided sleeved, more durable, wear resistance, longer service life. PLEASE NOTE: Do not exceed 12V, 2A total output. Please check your devices specification when to use the PWM fan hub.