The fourth pin is likely to provide power to a LED if the fan has one. Otherwise, the fourth pin does nothing.
Type: Posts; User: RickyTick
The fourth pin is likely to provide power to a LED if the fan has one. Otherwise, the fourth pin does nothing.
The benefit to connecting the fan to the motherboard is that you let software handle fan operations. I prefer to connect directly to the psu and just select the fan speed that I want.
Your new links work fine.
This is what I'm seeing with the first link. fwiw
2
Your link above is broken.
The last system I built with the Antec 300 was similar.
I connected both fans directly to the psu using the molex connectors. Then set the fan speed with 2-speed exterior switches. The 3 pin...