1: Expands the 3-pin/4-pin interface to 5 fan ports, solving the shortage of motherboard interfaces and centralizing fan wiring. 2: CPU interface connects to the motherboard's CPU fan interface, the first dedicated interface for the CPU fan. FAN1/FAN2/FAN3/FAN4 interfaces are PWM common fan interfaces. [Wire length]: 40 cm braided nylon [Wire type]: 1007 22AWG [Insulation material]: PVC insulation [Conductor specification]: 17*0.12TS [Wire diameter]: OD1.4 mm * 4 [Rated temperature]: 80 Celsius [Product interface]: 4-pin interface on the computer motherboard [Product function]: Allows computer fans to share one 4-pin interface Color: As shown Material: PC+metal Package contents: 2 * 1 to 5 4-pin PWM Fan CPU Hub Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.