100pcs/lot Dc 5.5x2.1mm Female To 4pin Pwm Fan Convert Cable D Type To Fan Power Cable For 9v Or 12v Adapter Cable - Pc Hardware Cables & Adapters - AliExpress
Amazon.com: 4Pin PWM to 3Pin Standard Fan Adapter Cable (4 Pack) : Electronics
5Pin to 4Pin Standard PC PWM Fan Adapter | eBay
Amazon.com: Coolerguys 4 pin PWM Fan to USB Cable Adapter 12" / 30cm : Electronics
4-Pin Molex to 4-Pin Fan Adapter Cable MDY-4PM-4FF
EK-Cable Splitter 4-Fan PWM Extended – EK Webshop
PWM Fan Splitter Cable Hub 1 to 4 Power Adpater,Motherboard PMW 4-pin Fan Sleeved Braided Y Splitter Internal Power Extension Cable for Computer CPU/Case Fan 1x4 Converter - 10 inches - Newegg.com
DarkSide 4-PIN Molex + RPM Wire to 3-PIN Fan Conversion Cable - 30cm Jet Black Sleeved (DS-0525) ModMyMods.com - PC Watercooling Parts and Accessories
12' 4Pin PWM Fan Extension Power Y Cable - Computer Power Cables - Internal | StarTech.com