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Wiring then, at the cooling block you'll notice that it has a voltage wire leads, this is empowering the pump that is located inside the cooling block
Connect the three pin fan connector to the CPU FAN header on the motherboard, and the Molex connector .. well ... obviously to a Molex connector on your PSU. The two fans themselves you connect to the water-block as shown above.
The trick here is that the motherboard is not controlling the PWM fans, but the cooling block has a controller, three switched for silent, normal and performance mode. Depending on your choice you'll get a cooling performance preference that best suits your needs. A white LED display lets you know at a glance which profile is being used.