Introduction
Proven Reliability and Good Efficiency
Specially designed by be quiet! with the price-conscious PC builder in mind: System Power 9 400W CM offers renowned be quiet! performance and quietness and makes it possible to build cost-effective and reliable systems.
Power
Total power
400 W
AC input voltage
200 - 240 V
AC input frequency
50 Hz
Input current
4 A
Power factor
0.95
Power Factor Correction (PFC) type
Active
Combined power (+3.3V)
103 W
Combined power (+12V)
384 W
Combined power (+5V)
103 W
Combined power (-12V)
3.6 W
Combined power (+5Vsb)
15 W
Max output current (+3.3V)
24 A
Max output current (+12V1)
22 A
Max output current (+12V2)
18 A
Max output current (+5V)
15 A
Max output current (-12V)
0.3 A
Max output current (+5Vsb)
3 A
Hold time
17 ms
Efficiency
89%
Power protection features
Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces
Motherboard power connector
20+4 pin ATX
Motherboard power cable length
45 cm
Number of SATA power connectors
5
Number of PATA power connectors
2
SATA power cable length
550,670 mm
PCI Express power connectors (6+2 pin)
2
PCI Express power cable length
50 cm
CPU power connector (4+4 pin)
Y
CPU power cable length
60 cm
Floppy drive power connector
1
Cabling type
Semi-Modular
Performance
80 PLUS certification
80 PLUS Bronze
Purpose
PC
Power supply unit (PSU) form factor
ATX
ATX version
2.51
Bearing technology
Sleeve
Certification
CE, CB, TÜV, RCM, CU
Compatible products
Intel C6/C7
Design
Product colour
Black
Cooling type
Active
Fan diameter
12 cm
Number of fans
1 fan(s)
Weight & dimensions
Width
150 mm
Depth
140 mm
Height
86 mm
Weight
1.49 kg
Packaging data
Cables included
PCIe, SATA
Package width
97 mm
Package depth
268 mm
Package height
195 mm
Package weight
2.11 kg
Package type
Box
Technical details
Sustainability certificates
RoHS, ENERGY STAR
Logistics data
Master (outer) case width
311 mm
Master (outer) case length
215 mm
Master (outer) case height
556 mm
Master (outer) case gross weight
13.4 kg
Products per master (outer) case
6 pc(s)
Other features
Screws included
Y
Noise level (silent mode, <30%)
9.3 dB
Noise level (quiet mode, 50%)
9.7 dB
Noise level (full-load mode, 100%)
15 dB
Manual
Y
