This is the cable required to connect Corsair's iCUE RGB Fan LED Hub to the three controller types it is compatible with, the Lighting Node Pro, the Commander Pro, and the Commander Core XT (see second listing image for illustration).
Corsair 3Pin RGB Fan LED Hub Connector Cable 40cm Compatible with Corsair iCUE
HAAMNING7 3 Pcs Fan Splitter for Corsair RGB HUB 4 Pin Female to Double 4 Pin Male Extension Cable for Lighting Node Core iCUE Commander CORE XT and RGB Fan ML/LL/QL/SP/HD (Cable Length 20cm)
Bundle of Corsair RGB Fan LED Hub & iCUE Lighting Node PRO RGB Lighting Control
Briny River 2pcs 3Pin RGB Fan LED Hub Connector Cable 40cm Compatible with Corsair iCUE
Briny River 3Pin RGB Fan LED Hub Connector Cable 40cm Compatible with Corsair iCUE
Corsair RGB Fan Hub to Corsair RGB Strip Adapter