be quiet! System Power B10 power supply unit 550 W 20+4 pin ATX ATX Black

PROVEN RELIABILITY, QUIET OPERATIONSystem Power 10 550W has been built with price-conscious users in mind that do not want to dispense on reliability and quietness. Elaborated features such as a temperature-controlled fan and a remarkably low stand-by-drain underline the value System Power 10 550W offers even at entry-level. VERY QUIET OPERATIONHigh-quality fan for low noiseSystem Power 10 550W is equipped with a temperature-controlled 120mm quality fan. It provides the low noise operation that be quiet! is famous for, offering remarkable quietness at this price-level.HIGH PERFORMANCE FOR YOUR SYSTEMProven reliability for CPU and GPUSystem Power 10 550W provides stable and dependable power for CPU and GPU. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load.80 PLUS® BRONZE CERTIFICATIONEfficient operationThe 80 PLUS Bronze certification of System Power 10 550W Bronze with an efficiency rating of up to 89.1% is convincing evidence of this PSU s power saving operation.STRONG 12V RAILFor a stable PCIe graphics supportSystem Power 10 550W provides enough power for demanding graphics cards. Safety protections defend against overcurrents, over- and undervoltages, overtemperature, short circuits and overloads, thus keeping your valuable components safe.

Power
Total power:	550 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):	120 W
Combined power (+12V):	550 W
Combined power (+5V):	120 W
Combined power (-12V):	3.6 W
Combined power (+5Vsb):	15 W
Max output current (+3.3V):	20 A
Max output current (+12V):	45.83 A
Max output current (+5V):	20 A
Max output current (-12V):	0.3 A
Max output current (+5Vsb):	3 A
Hold time:	17 ms
Efficiency:	89.1%
Power Good signal delay range:	100 - 150 ms
Power protection features:	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces
Motherboard power connector:	20+4 pin ATX
Peripheral (Molex) power connectors (4-pin):	1
Motherboard power cable length:	55 cm
Number of SATA power connectors:	5
Number of PATA power connectors:	1
SATA power cable length:	450,550,570,670,690 mm
Peripheral (Molex) power cable length:	790 mm
PCI Express power connectors (6+2 pin):	2
PCI Express power cable length:	65 cm
CPU P4 connector (4-pin):	1
CPU power connector (4+4 pin):
CPU power cable length:	60 cm
ATX power connector (20+4 pin):
Cabling type:	Non-Modular
Performance
Purpose:	PC
Power supply unit (PSU) form factor:	ATX
80 PLUS certification:	80 PLUS Bronze
ATX version:	2.52
EPS version:	2.92
Noise level:	25.7 dB
Bearing technology:	Sleeve
Mean time between failures (MTBF):	100000 h
Certification:	CB, TÜV, cRUus, cTUVus, RCM (Australia), BSMI, CU (Russia)
Country of origin:	Germany
Design
Product colour:	Black
Cooling type:	Active
Fan diameter:	12 cm
Number of fans:	1 fan(s)
Fan speed:	0 - 1800 RPM
On/off switch:
Operational conditions
Operating temperature (T-T):	0 - 40 °C
Storage temperature (T-T):	-20 - 70 °C
Operating relative humidity (H-H):	0 - 90%
Storage relative humidity (H-H):	0 - 95%
Weight & dimensions
Width:	140 mm
Depth:	86 mm
Height:	150 mm
Weight:	1.83 kg
Packaging data
Manual:
Manual languages:	German, English, Spanish, French, Polish, Russian
Package width:	195 mm
Package depth:	268 mm
Package height:	97 mm
Package weight:	2.2 kg
Technical details
Sustainability certificates:	CCC, CE, ENERGY STAR, ErP, Federal Communications Commission (FCC), RoHS, WEEE
Warranty period:	5 year(s)
Other features
Screws included:
Noise level (silent mode, <30%):	8.6 dB
Noise level (quiet mode, 50%):	9.4 dB
Noise level (full-load mode, 100%):	25.7 dB