Question about Panaflo fans

[Homer]

I bought two Panaflo 80mm fans, four wire connectors. Nobody seems to sell them with "3 wire, plug 'em into the board headers & have the speed sensed" tails. Why? They appear to have the three pin pin-out on them to do that. The label describes one pin as "s" or sense. The draw is low - 0.1a. The boards should be well able to stand the load - even the old BH6 used to be able to handle up to 0.24a.

I want to rig a duct to my Vantec HS from one in the back of my case, and get rid of the little howling monster fan thereon. and I want to have that one plugged into the CPUfan header, and sensed for RPM. I need to know it's there and working. Might as well have the intake fan up front plug into the system fan header and shut down when the machine goes to sleep.

Anybody tried this? Anybody got any ideas?

 

[glenn1]

TeamAwe sells Panaflo's either 3 or 4 pin tailed fans... great store, i highly recommend them

 

[Jhhnn]

I think that the third wire on some panaflos is a locked rotor signal rather than rpm sensing. Because of this, there's nothing to gain wiring them to the mobo, therefore the general recommendation to wire them to the psu harness.