12V/4pin 5V/3 pin AURA RGB Extension Adapter Cable,Motherboard to 2 or 3 or 4 RGB Connectors Splitter Hub for PC LED Light Strip|Computer Cables & Connectors| - AliExpress
Corsair HD LL 120 RGB Fan to Standard RGB 5v 3 Pin Adapter Cable - modDIY.com
Amazon.com: 12V 4 PIN RGB Splitter Cable LED Strip Connector, RGB 4 Pin Splitter 1 to 3 Cable 5050 LED Tape Light Connector,Extension Cable for Computer Fan Motherboard(5-12v)(1 to 3) : Tools & Home Improvement
Darkside 4-Pin RGB (12v) Extension Cable, 30cm
Cooler Master 1-to-3 RGB Splitter Cable for LED Strips, RGB Fans, 22.8" length, 5 & 4-Pin Header, Daisy-chain support - Newegg.com