12V PWM PC Fan Hub with Splitters, Compatible with 4PCS 3-Pin / 4-Pin Computer Cooling Fans, Fan Speed Controller with 4-Way Fan Splitters, 100-240V AC to 3-12V 3A DC, Max 36W Output

["WIDE COMPATIBILITY: 3-pin/4-pin connector design works with most computer cooling fans, and the 4-way splitter supports connecting multiple fans simultaneously.","ADJUSTABLE SPEED: Variable voltage control from 3V to 12V DC allows precise fan speed adjustment for optimal cooling performance.","POWER SPECIFICATIONS: 36W power supply with 3A output, operating on universal 100–240V AC input for worldwide use.","PLUG AND PLAY DESIGN: Simple installation with no additional software required – just connect your fans and adjust the speed dial as needed.","COMPREHENSIVE PACKAGE: Includes fan speed controller power adapter, 4-port fan splitter"]