ITEM NAME:Shelf Adhesive 1 to 8 Channel Hub SATA Power Splitter Design for 12V 3Pin Fan Everyone is a moon and has a dark side which he never shows to anybody..Design for 12V 3Pin Fan. Power interface SATA supplies power. Without functions of speed detection and PWM, you can manually shift the gears, start the fan at full speed or low speed, or turn off the fan.