be quiet! System Power 10 power supply unit 850 W 20+4 pin ATX ATX Black

PROVEN RELIABILITY, QUIET OPERATIONSystem Power 10 850W has been built with price-conscious users in mind that do not want to dispense on reliability and quietness. Features such as LLC + SR + DC-to-DC topology and Dual-Rail operation underline the value System Power 10 850W offers even at entry-level. 80 PLUS® GOLD CERTIFICATIONVery high operating efficiencySystem Power 10 850W is certified 80 PLUS Gold with an efficiency rating of up to 93.4% a truly outstanding level for this class of PSUs. The most compelling benefit is lower power consumption, lower costs, and cooler, quieter operation. Whether you are building a very quiet system or gaming system: System Power 10 850W is the price-conscious choice!EXCEPTIONALLY SILENT OPERATIONAchieved by a silence-optimized 120mm be quiet! fanThe silence-optimized 120mm be quiet! fan is thermally governed to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality and the almost inaudible operation that be quiet! is famous for.HIGH-CLASS TECHNOLOGIESCompatibility for all systemsLLC and Synchronous Rectifier (SR) provide very stable operation and enhanced voltage regulation. The PSU is equipped with DC-to-DC conversion for tight voltage regulation even under heavy cross-loading conditions.HIGH PERFORMANCE FOR YOUR SYSTEMProven reliability for CPU and GPUSystem Power 10 850W provides stable and dependable power for CPU and GPU. It is equipped with 2 independent 12V-rails and supports several graphics cards with 4 PCI express connectors for GPU support.

Power
Total power:	850 W
AC input voltage:	200 - 240 V
AC input frequency:	50 Hz
Input current:	5 A
Power factor:	0.97
Power Factor Correction (PFC) type:	Active
Combined power (+3.3V):	120 W
Combined power (+12V):	849.6 W
Combined power (+5V):	120 W
Combined power (-12V):	3.6 W
Combined power (+5Vsb):	15 W
Max output current (+3.3V):	22 A
Max output current (+12V1):	40 A
Max output current (+12V2):	36 A
Max output current (+5V):	22 A
Max output current (-12V):	0.3 A
Max output current (+5Vsb):	3 A
Hold time:	17 ms
Efficiency:	93.4%
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:	6
Number of PATA power connectors:	1
SATA power cable length:	450,550,570,670,690,790 mm
Peripheral (Molex) power cable length:	790 mm
EPS power connector (8-pin):
PCI Express power connectors (6+2 pin):	4
PCI Express power cable length:	65 cm
CPU power connector (4+4 pin):
CPU power cable length:	60 cm
ATX power connector (20+4 pin):
PCI Express connector:
Cabling type:	Non-Modular
Performance
Purpose:	PC
Power supply unit (PSU) form factor:	ATX
80 PLUS certification:	80 PLUS Gold
ATX version:	2.52
EPS version:	2.92
Noise level:	30.7 dB
Bearing technology:	Rifle
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 - 2000 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:	160 mm
Depth:	86 mm
Height:	150 mm
Weight:	2.14 kg
Packaging data
Manual:
Manual languages:	German, English, Spanish, French, Polish, Russian
Package width:	220 mm
Package depth:	300 mm
Package height:	100 mm
Package weight:	2.6 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%):	10.3 dB
Noise level (quiet mode, 50%):	10.4 dB
Noise level (full-load mode, 100%):	30.7 dB