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4.2 Front/Rear TriCool™ Blue LED Fans
The Nine Hundred Two comes with two pre-installed 120mm x 25mm blue LED fans, one
in front of each HDD cage to cool the hard drives. These fans are installed so the air will be
blown into the case. Each fan comes with a speed control knob at the front of the faceplate.
Turn the knob clockwise to increase the speed. The lowest speed is 1200 RPM while the
highest speed is 2000 RPM. See the chart below to view the appropriate specifications.
There is one 120mm x 25mm TriCool™ blue LED fan pre-installed at the rear of the case. This
fan is installed so the air will be blown out of the case. It has a three-speed switch that lets
you choose between quiet, performance, or maximum cooling. This switch is located at the
rear of the case. The default fan speed setting is Low.
Size: 120mm x 25mm TriCool™ fan
Rated Voltage: 12V
Operating Voltage: 10.2V - 13.8V
Speed
(RPM)
Input
Current
Air Flow Static Pressure Noise
Input
Power
High
2000
0.24A
(max.)
2.24 m³ / min
(79 CFM)
2.54mm-H
2
O
(0.10inch-H
2
O)
30 dBA 2.9 W
Medium
1600
0.2A
1.59 m³ / min
(56 CFM)
1.53mm-H
2
O
(0.06inch-H
2
O)
28 dBA 2.4 W
Low
1200
0.13A
1.1 m³ / min
(39 CFM)
0.92mm-H
2
O
(0.04inch-H
2
O)
25 dBA 1.6 W
Note: The minimum voltage to start a 120mm TriCool™ fan is 5V. We recommend that you
set the fan speed switch to High if you choose to connect the fan(s) to a fan control device
or to the Fan-Only connector found on some Antec power supplies. A fan control device
regulates the fan speed by varying the voltage, which may start as low as 4.5V to 5V.
Connecting a TriCool™ fan set on Medium or Low to a fan-control device may result in the
fan not being able to start because the already lowered voltage from the fan control device
will be further reduced by the TriCool™ circuitry below 5V.