Sunshine-tipway&reg; 5.25 Inch Aluminium 5v-12v PWM Led Fan Controller Front Panel with 6 Channel 5.25 "standard optical drive port design, convenient to install, safe and beautiful Brushed aluminum panels, sliding up and down freely governor Automatic detection fan LED display ,can be divided into two color display 6 groups can simultaneously control the fan, the maximum power, a single set of 36W Computer temperature is too high, fan alarm, reduce electrical waste and noise reduction