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14
4.1
I
NCLUDED
F
ANS
There
is
a
120
x
25 mm
TwoCool™
fan
preinstalled
at
the
rear
of
the
case. The
fan
is installed so
the
air
will
be
blown
out
of
the
case. This
fan
comes
with
a
two-speed
switch
that
let
you
choose
the
speed
best
suited
to
your
need. The
default
fan
speed
setting
is
Low.
120 mm TwoCool™ Specifications
Size
:
120 x 25 mm TwoCool™ fan
Rated Voltage
:
12V
Operating Voltage
:
10.8V ~ 13.2V
Speed
(RPM)
Input
Current
Airflow
Static
Pressure
Acoustic
Noise
Input
Power
High
1500
0.30A
(Max.)
1.4 m³ / min
(51.2 CFM)
1.2 mm-H
2
O
(0.05 inch-H
2
O)
27.9 dBA 3.6W
Low
900
0.18A
0.08 m³ / min
(30.1 CFM)
0.5 mm-H2O
(0.02 inch-H2O)
16.9 dBA 2.2W
Top TwoCool™ Fan
– The
case
comes
with
a
140
mm
top
exhaust
fan.
The
fan
is installed so
the
air
will
be
blown out
of
the
case. This
fan
comes
with
a
two-speed
switch
that
let
you
choose
the
speed
best
suited
to
your
need. The
default
fan
speed
setting
is
Low.
140 mm TwoCool™ Specifications
Size: 140 x 25 mm TwoCool™
Rated Voltage: 12V
Operating Voltage:
10.8V ~ 13.2 V
Speed
(RPM)
Input
Current
Airflow
Static
Pressure
Acoustic
Noise
Input
Power
High
1200
0.3A
(Max.)
1.7 m³ / min
(58.9 CFM)
0.8 mm-H2O
(0.03 inch-H2O)
26.0 dBA 3.6W
Low
800
0.2A
0.95 m³ / min
(33.6 CFM)
0.3 mm-H2O
(0.01 inch-H2O)
21.8 dBA 2.4W
Note
: The minimum voltage to start a typical TwoCool™ fan is 5V. We recommend that you set the fan speed 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 TwoCool™ fan set on 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 TwoCool™ circuitry below 5V.