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Is it safe to use a cable adapter that lowers the voltage for my DCP 4.0 pump?

Hi all

Ive just finished building my new PC. Its watercooled from top to bottom and im very happy with it.

My issue is that i think the pump is making a bit too much noise. Ive tried searching for solutions to this problem and people suggest either an adapter cable or fan controller to lower the noise.

Im not too keen on the fan controller so my question is:

Is it possible to use the voltage regulation adapter cable from my Corsair SP120 Quiet Edition fans to regulate the voltage on the pump to make it run slower and produce less noise? And will doing so reduce my cooling efficiency to a point where i should be worried with the below setup?

This is my system:
i7 4770k @ stock speeds
Asus Maximus VI Formula
Asus GTX 680 DCII

Cooling:
HW-Labs Black Ice - SR1 480 radiator
EK Supremacy Plexi
EK gtx680 DCII fullcover block
EK EK - RES X3 400 reservoir
EK DCP 4.0 Pump
4x Corsair SP120 Quiet edition on the rad.

The loop goes like this Reservoir > Pump > Radiator > CPU > Motherboard > GFX card > back into the Reservoir. There is a total of about 2.5 meters of Master Kleer 16:10 tubing.
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More about safe cable adapter lowers voltage dcp pump
  1. Best answer
    Voltage regulation is a bit tricky and generally higher wattages like those of a water pump are going to require more than just a potentiometer which is what your fan is likely using.
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