2PCS DC 12V 3A 4 Wire 4-channel 3P PWM Fan Speed Controller for CPU Computer Fan

2PCS DC 12V 3A 4 Wire PWM PC CPU Fan Speed Controller 4-channel 3P plug cable

4-Pin 12V PWM Fan Speed Controller Backlight Type-C PD/QC DC5521 for PC Cooling

12V 4 Pin PWM Fan Controller 6 Fans Supported, 4-Pin PC Fan Speed Controller

LED Quiet PWM 4Pin 12V Slim 120mm×120mm×25mm Computer Case PC Cooling Fan

DELTA AFC0712DB 12V DC PWM 4 Pin PC Computer CPU Cooling Fan 7cm 70mm x15mm 7015

4 Pin PWM Fan Controller Hub, 6-Port SATA/DC Powered 12V Fan Speed Regulator,

DC 12V 3A 4-wire Fan Speed Controller 4-channel PWM Fan Speed Control Switch