Deepcool Black FH-04 Fan Hub (DP-F04PWM-HUB)

Supports up to 4 independent fans. FH-04 enables users to greatly expand cooling capability within the chassis and enjoy enhanced system performance. FH-04 can extend up to 4 fans and is compatible with 3-pin and 4-pin fans. PWM function design. Each port has its own PWM function, allowing the fan speed to be adjusted simultaneously, but only the speed of Fan 1 can be identified by the system. Easy to install. FH-04 is easily installed using the included double-sided adhesive.