My case has 4 fans and my MOBO (asus crosshair v formula-z) has 3 cha_fan slots and 3 opt slots...my fan connected in opt seems to have a "problem" acording to AI Suite II.... https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-xpf1/v/t34.0-12/10423434_759627370747021_2019901062_n.jpg?oh=df7d228947938bbf2726d94c8f1a17ef&oe=53A95B12&__gda__=1403603266_eef72ad4f0fb52119f96d5d07e19dc24
1050 rpm is a normal speed for that fan....
1050 rpm is a normal speed for that fan....