The original fan its ok, but i want second fan.
Can the contoller S5 give power for two fan's (1,5A + 3,9A) at 12volt (60watt~) ?
Is the power line of controller S5 OK for 60watt or not?
Many folks don't worry about trying to speed control a 2nd fan. They just wire it up to some 12V line on the power supply and let it run at it's normal (i.e. full) speed. Think of it as a case fan from a PC that isn't controlled. You probably don't want to choose an even louder fan if you go this route.