Antec P280 White Manual - Page 23

Static Pressure

Page 23 highlights

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 High 1500RPM ±10% Low 900RPM ±10% Input Current 0.30A 0.18A Airflow 1.43 m³ / min (51.2CFM) 0.84 m³ / min (30.1CFM) Static Pressure 1.21 mm-H2O (0.05 inch-H2O) 0.49 mm-H2O (0.02i nch-H2O) Noise 27.9 dBA 16.9 dBA Input Power 3.6W 2.2W 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). Be sure to screw in the fan in the top-left and lower-right holes first. 21

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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-H2O
(0.05 inch-H2O)
27.9 dBA
3.6W
Low
900RPM ±10%
0.18A
0.84 m³ / min
(30.1CFM)
0.49 mm-H2O
(0.02i nch-H2O)
16.9 dBA
2.2W
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).
Be sure to screw in the fan in the top-left and lower-right holes first.
21