That's useful information about the two styles of Nexus fans. I purchased my Nexus fan from siliconacoustics.com and it has a two-wire/three-pin connector. frankgehry, where did you get your three-wire fans? I've been searching for the new style four-wire fans with no luck. I've seen a few LGA775 co...

The Nexus fan I have comes with a two-wire/three-pin connector for the motherboard, but it's only for RPM monitoring. It gets its power off the four-pin molex connector. I don't think Q-Fan will be able to control the speed of this type of fan. I haven't actually tried Q-Fan so I could be wrong.

Does anyone know a source for 80mm fans with 4-pin connectors for the new LGA775 cpu-fan header?