I recently installed an MSI Mag Coreliquid A13 360mm AIO cooler on my MSI Project Zero Z790 motherboard, and I've noticed that the pump is constantly running at full speed, which is around 3800 RPM. I have it connected to the pump_fan1 header and set to PWM in the BIOS, but it seems to ignore any speed curve I try to set. Is this typical behavior? Should I be concerned about the pump running at maximum speed all the time, or is there a fix for this? Any advice would be really appreciated!
4 Answers
Just to add, if you're running a 3-pin pump, always keep it at full speed. If it runs at lower speeds without proper cooling fluid, it could run dry, which is really damaging. So good call on keeping it at max!
The issue lies in the fact that a 3-pin pump lacks the PWM capability; it typically runs at full speed. Setting it to DC control isn't a great idea, as it may cause the pump to draw more amps, risking damage. Just let it run as it is; that's what it's built for! No worries about longevity if it's designed this way.
Yep, it's perfectly fine for your AIO pump to run full throttle all the time. Pumps are engineered to handle maximum speed without problems, so just let it be!
Exactly, a 3-pin pump is meant to run at full speed. Any attempt to reduce its speed might lead to issues, like cavitation if it runs too slow. Best to leave it as is.
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