The PWM connector is connected to the CPU fan connector of the motherboard. The red is the dedicated connector for the CPU fan. The black header is a PWM conventional fan header.
Expand 5 4-pin fan ports to solve the lack of motherboard ports and concentrate on handling fan cables.
Great for good air cooling or watercooling.Convinient and neater solution for running multiple radiator, heatsink and case fans.
Very small size, lightweight and easy to carry, the connectors sit flat for a good profile in tight spaces.
Product include a total of 2pcs 5 Port PWM Fan Hub Splitter Speed Controllers, which can completely meet your daily use needs and replacement.