I have a Rosewill Thor V2 casehttp://www.rosewill.com/products/1798/ProductDetail_Overview.htm
with 5 I think molex power wires coming from the front panel. The wires are label Fan B1, Fan B2, Fan B3, Fan A3 and Fan A2.
I have a Kingwin Lazer Platinum Series LZP-550 power supply. http://kingwin.com/products/cate/power_supplies/lzp_550.asp
I do not see any way to connect the fans to this power supply. The case has some fan speed controller on the front panel.