be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black
be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black
be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black
be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black
be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black
be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black

Netzteil be quiet! 400W System Power 9 80+

be quiet! System Power 9, 400 W, 200 - 240 V, 50 Hz, 4 A, Active, 103 W

BN245
 
Proven Reliability and Good Efficiency

Specially designed by be quiet! with the price-concious PC builder in mind: System Power 9 400W offers renowned be quiet! performance and quietness and makes it possible for you to build cost-effective and reliable systems.

be quiet! System Power 9. Total power: 400 W, AC input voltage: 200 - 240 V, AC input frequency: 50 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 45 cm, SATA power cable length: 350,550 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product colour: Black, Fan diameter: 12 cm, Number of fans: 1 fan(s). Cables included: AC
Product colour
Black
Purpose
PC
Width
150 mm
Depth
140 mm
Height
86 mm
Weight
1.82 kg
Cables included
AC
Package type
Box
Certification
CE, CB, TÜV, RCM, CU
Sustainability certificates
RoHS, ENERGY STAR
Input current
4 A
Manual
Y
Package width
97 mm
Package height
195 mm
Package weight
2.1 kg
Package depth
268 mm
Harmonized System (HS) code
84733020
AC input voltage
200 - 240 V
AC input frequency
50 Hz
On/off switch
Y
Number of fans
1 fan(s)
Efficiency
89%
Total power
400 W
Combined power (+3.3V)
103 W
Combined power (+12V)
384 W
Combined power (+5V)
103 W
Max output current (+3.3V)
24 A
Max output current (+5V)
15 A
Max output current (-12V)
0.3 A
Max output current (+5Vsb)
3 A
Hold time
17 ms
Power protection features
Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Motherboard power connector
20+4 pin ATX
Number of SATA power connectors
5
Power supply unit (PSU) form factor
ATX
80 PLUS certification
80 PLUS Bronze
Fan diameter
12 cm
Screws included
Y
Illumination
N
PCI Express power connectors (6+2 pin)
2
CPU power connector (4+4 pin)
Y
Motherboard power cable length
45 cm
SATA power cable length
350,550 mm
PCI Express power cable length
50 cm
CPU power cable length
60 cm
Bearing technology
Sleeve
Combined power (-12V)
3.6 W
Combined power (+5Vsb)
15 W
Power Factor Correction (PFC) type
Active
Max output current (+12V1)
22 A
Max output current (+12V2)
18 A
Power factor
0.95
Number of PATA power connectors
2
ATX version
2.4
Silent mode
Y
Noise level (silent mode, <30%)
9.5 dB
Noise level (quiet mode, 50%)
10.4 dB
Noise level (full-load mode, 100%)
18.6 dB
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