Asus Rampage V Edition10 water cooling question

pete424 · Apr 28, 2017

I want to set up a dual custom loop cooling system with two pumps. My motherboard has a water pump header. I was told on another forum not to use this. Power is not a problem and I assume the 4 pin (2 wires) connectors are for monitoring. My question is where do I plug these in?

Mattz982 · May 3, 2017

CPU header's
Knowing Asus's high end stuff, it'll have two CPU fan headers, so you'd power it from them and control over PWM (assuming you have a pwm pump, any decent high end pump should be PWM IMO)
You could possibly buy a pump control unit like those aqua things. I'm currently using an arduino to make a full fan controller that I'll plug my pump in to. as well, then I can set fan curves etc

TL;DR
Use the CPU fan headers on the board

Hello man · May 3, 2017

pete424 :

Many more powerful pumps like DDC and D5 styles use molex or SATA for power and just have two wires (RPM and PWM) going to the fan headers. If you have 2 fan headers you can plug one pump into each and independently control their speed based on temps. This will keep noise down as pumps are usually the loudest component in a loop.

rubix_1011 · May 6, 2017

There is very little benefit to running a pump on PWM vs. running it at full speed all the time. Most of the good watercooling pumps run very, very quietly anyway, so there is really no need to have them continually ramp up and down based on CPU reported temps.

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