Pwm or dc mode help

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30 Jul 2020
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Hi guys, Ive installed some corsair sp120 elite fans. Now do i have to adjust the speeds or leave the speeds which is defaulted from motherboard?. My other question is on the bios my fans are defaulted as dc mode. However im sure my fans are pwm? Does this matter or should i change my fan settings to pwm? And is there any particular speeds if i was to do so im supposed to adjust them too? Or is it down to preference of how loud the fans are? Im still learning all this so please excuse the lack of pc knowledge.
 
If you connected the fans to a 3-pin header they'll be running DC. If you connected them to a 4-pin header, you'll be safe to change the fan setting PWM.

Yeah connected via 4 pin headers, i did breifly change to pwm, but the fans got louder and faster, is this becuase more power goes through pwm? Or is this where i need to adjust fan curve? Although im not very familiar with the right speeds for certain temps etc. Is there any kinda recommended line to follow? Am i over thinking all of this?
 
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