Sigh. OK, I guess I'll take the case apart *again* and test them in uniform conditions. :? Now you all have me worried that my hack soldering job (replaced 4 pin connectors with 3 pin connectors) is the culprit... I'll repost in a few days (yes it will take me that long to get around to this! :-)

I have two identical fans being driven by the same fan controller (Hardcano 13) at nominally the lowest speed setting (as in both are cranked all the way down). The Hardcano reports ~950 RPM for one and ~750 RPM for the other. The only difference I can think of that could reasonably explain this is ...

Well I realize I've already taken this thread a bit afield... so I'll just keep on plowing.... I guess my bottom line is: Can I expect to use one of these fans to adjust speed with my Thermaltake Hardcano 13 (http://www.thermaltake.com/accessories/a2259hardcano13/a2259hardcano13.htm)? The Hardcano a...

3-pin power connector 4-pin Molex pass-through power connector Does this mean: A) you may power the fan either from a 3 pin connector on your motherboard or via a 4 pin connector directly from your power supply OR B) you must power via yuor 4 pin connector from your power supply however you may als...