PWM Fan Controller Automatic Temperature Control DC 12V 24V 2-Way 4A for PC CPU
Works with 12V/24V fans and supports 2, 3, or 4-wire types! Max Current: 4A per channel (Total 8A max). Mount the probe on your heat source, connect power and fans, and you're done! Fan Compatibility: 2-wire, 3-wire, and 4-wire DC fans.