A simple way of increasing the number of fan connections and providing control over fan speed, which can make high speed noisy fans significantly quieter. Attach the fans to the connector with yellow/black wires for +12V supply or with red /black wires for reduced speed +5V supply.

Connects four fans to the PSU
Speed reduction for two fans
Choice of 5V and 12V connectors

Application Multi-fan adapter with speed reduction
Designed for 3pin fans
Cable length 15cm
PSU connector 4-pin Molex (peripheral)
Fan connector 4x 3pin (2x standard speed, 2x reduced speed +5V)
Product code AK-CB001

Connectors with red and black wires provide +5V.