por ejemplo Meditativo Atar pwm to 3 pin Del Norte Comité Valiente
ThreeBulls PWM Fan Hub, PC CPU Cooling 4 PIN/3PIN Fan Power Cable Hub Splitter Adapter Sleeved PWM Case Fan Splitter for 12V Desktop Computer Cooler Case Fans 1 to 5 Way (15.7 Inch)
Can a 3-pin case fan be used on a 4-pin PWM port?
Phobya 4-Pin PWM Adapter - Alimentation Phobya sur LDLC
x 4-Pin Molex/IDE to 3-Pin CPU/Chasis/Case Fan Power Cable Adapter Connector.jh | eBay
Phanteks Y-cable for 3-pin fans (for PWM hub) | OcUK
pwm-3-pin-pc-fan-schematic v1 - Bald Engineer
3 vs 4 Pin Fan connector - Noctua NF-F12 PWM | TechDragon.info - YouTube
12v 3pin Fan Pwm 1 To 3 Ways Power Supply Extension Cable Y Splitter Cooler Port Multiplier Computer Chassis Cooling 22awg - Pc Hardware Cables & Adapters - AliExpress
Helpful Guide to the Best PWM Fan Hub Controller - Nerd Techy