Case fans on molex?

Lena__

Honorable
Jan 27, 2016
100
0
10,680
Hello!
Short version:
Put case fans on molex chain and they go FULLPOWER, yes? Or even above their specs and unsave?

Long version:
So there are two 120mm placings in the front of my case, suppose intake. But only one "case_fan" header on mobo is reachable without putting cables in the way. So I used the 4pinx1->*pinx2 splitter that came with AIO. Works super silent and, since cpu cooling is overdone, super slow. Switched splitter with molex for now. I don't mind the roaring, but is it normal for fans themselves?
 


I don't know, but I have connected 2 out of 4 molex pins (as was listed in Antec's case manual when using fan in silent mode) and it worked, rpm dropped considerably.
 
7v mod is fine , drops fans to lower speed & is a straight wire switch swapping the ground to the inside of the 12v pin to the 5v line

11534d1226224506-pentru-imaginile-text-uploadati-pozele-aici-mol.jpg


Not do be done on the actual PSU cable though - only on the fan to molex female adapter cable