Quote Originally Posted by devilhood View Post
The whole point in having dual connectivity on fans is to power them differently.

If you want the fan powered seperately from the mobo without the ability to control it via BIOS, then use the 4-pin molex, however, if you want the mobo to control it, use the 3-pin connector.

Do not use both at the same time, otherwise you could be severely reducing the life expectancy of the fan.
I use only a 3-pin connector but the fan still spins at maximum.. Anyone have this same problem??