The D5 is the ultimate pump for PC water-cooling. It features exceptional performance and unrivalled reliability. This version of the D5 pump is PWM compatiable and can be connected to the motherboard for speed control. 4 Pin Molex and PWM connectors. Maximum Temperature: 60C. This pump ships without a front cover. This unit requires a D5 top or D5 reservoir in order to use this pump. Model: 5060175583659.