Understanding fan headers

Tanyac

Reputable
I have a system with many fans. It has a Kraken x61 with 2 x 14cm on the radiator. 1 @ Bottom, 1 @ Rear, 2 @ Front, 1 @ Side and 1 @ Internal 12cm fan

Most motherboards don't support this number of fans. So I am seeking clarification on the use of the headers.

The bottom fan is a Noctua PWM 14cm fan, the rest are stock NZXT.

I understand the difference between DC and PWM fans.

Power fan headers, if I understand it are full speed (No speed control at all).

The Kraken has a 3 pin connector for the pumps speed sense. I put that on CPU_OPT. But the radiator fans are controlled from the pump, so there is nothing connected to the CPU_FAN header.

Is there any reason I couldn't connect a different fan to this header?

I've been putting 2 fans on more than one header... Any issues there?

I don't want to use the case switches - it doesn't offer me the level of control I want (3 speeds that have to be manually set vs fans speeds responding to temps and workloads).

My motherboard is currently an MSI X99A XPower AC, but that's only because my X99-Deluxe/3.1 is being RMA'd.

I'm considering a X99 Gaming 7 from ASRock because it has the most fan headers of all the ASRock X99 boards I've seen.

Would appreciate some thoughts on fan configurations.
 
Solution
generally, if these aren't some crazy high power industrial fans a fan header on a halfway decent board can support 2 fans without a problem
read in the manual how much power your fan headers are able to output
the Noctua NF-A14 PWM for example needs 1.56W (most fan header can deliver 4-6W but better check your manual)
generally, if these aren't some crazy high power industrial fans a fan header on a halfway decent board can support 2 fans without a problem
read in the manual how much power your fan headers are able to output
the Noctua NF-A14 PWM for example needs 1.56W (most fan header can deliver 4-6W but better check your manual)
 
Solution