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4.1 Included Fans
The P280 comes with two standard top 120 mm TwoCool™ fans and a standard rear 120 mm TwoCool™
fan. These fans have two-speed switches on the rear of the case that let you choose the speed best
suited to your need. The default fan speed setting is Low.
120 mm TwoCool™ fan specifications:
Size 120 x 25 mm two-speed fan
Rated Voltage 12V DC
Operating Voltage: 12V±10%
Speed
Input Current
Airflow
Static Pressure
Noise
Input Power
High
1500RPM ±10%
0.30A
1.43
m³ / min
(51.2CFM)
1.21 mm
-
H
2
O
(0.05 inch-H
2
O)
27.9
dBA
3.6W
Low
900RPM ±10%
0.18A
0.84 m³ / min
(30.1CFM)
0.4
9
mm
-
H
2
O
(0.02i nch-H
2
O)
16.9
dBA
2.
2
W
4.2 Optional Fans
The P280 includes mounts for up to four more fans. These mounts are as follows:
• 2 x front intake 120 mm mounts
• 2 x internal intake 120 mm mounts
Front intake 120 mm fans
You can install these fans using 2 of the long
screws provided (G in Section 1.3). Align the
fan with the screw holes and screw in the fan
in the top-left and lower-right holes (as
pictured).