EK-DDC 3.2 PWM (12V PWM pump)
D5 water pump motor with power management control (via PWM - pulse width modulation) of rotation speed trough motherboard BIOS or dedicated fan controller. Pump motor only! See website for more info and pics: http://www.ekwb.com/shop/ek-d5-pwm-motor-12v-dc-pwm-pump-motor