I got an asus z170-p my case supports 7 fans zalman z9 i just bought two be quiet pure wings 2 140mm pwn fans and i try to mount but i arleady got 2 in my default case.
1 x 4-pin CPU Fan connector for both 3-pin (DC mode) and 4-pin (PWM mode) CPU coolers control*
2 x 4-pin Chassis Fan connectors for 3-pin (DC mode) and 4-pin (PWM mode) coolers control
http://www.newegg.com/Product/Product.aspx?Item=N82E16813132571