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

£97.97 £81.64

850W, DC/DC, 80 PLUS Gold, 120 mm, 2000 RPM, 30.7 dB, 20+4-pin, PCI-e 6+2-pin, 6x SATA, 150 x 160 x 86 mm

80 PLUS® Gold efficiency (up to 93.4%)
Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
Silence-optimized 120mm be quiet! fan reduces system noise
Rock-solid stability with 2 strong 12V-rails
Dependable operation to support powerful GPUs
Stand-by drain of less than 0.15 watts
Attractive black flat cables
Complete suite of top safety features

More Information

More Information
Purpose	PC
Total power	850 W
Power supply unit (PSU) form factor	ATX
SKU	BN330
EAN	4260052189108
Manufacturer	be quiet!
Availability	Y
Product Manuals (HTML)	View Manual
PDF URLs	View PDF

Description

PROVEN RELIABILITY, QUIET OPERATION
System 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 CERTIFICATION
Very high operating efficiency
System 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 OPERATION
Achieved by a silence-optimized 120mm be quiet! fan
The 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 TECHNOLOGIES
Compatibility for all systems
LLC 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 SYSTEM
Proven reliability for CPU and GPU
System 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.

Specifications

Cooling
Fan diameter	12 cm
Number of fans	1 fan(s)
Fan speed	0 - 2000 RPM
Cooling type	Active
Performance
On/off switch	Yes
Power supply unit (PSU) form factor	ATX
Noise level (quiet mode, 50%)	10.4 dB
Noise level (silent mode, <30%)	10.3 dB
Noise level (full-load mode, 100%)	30.7 dB
80 PLUS certification	80 PLUS Gold
Purpose	PC
ATX version	2.52
EPS version	2.92
Noise level	30.7 dB
Mean time between failures (MTBF)	100000 h
Country of origin	Germany
Certification	CB, TÜV, cRUus, cTUVus, RCM (Australia), BSMI, CU (Russia)
Bearing technology	Rifle
Design
80 PLUS certification	80 PLUS Gold
Certification	CB, TÜV, cRUus, cTUVus, RCM (Australia), BSMI, CU (Russia)
Product colour	Black
Fan diameter	12 cm
On/off switch	Yes
Number of fans	1 fan(s)
Fan speed	0 - 2000 RPM
Country of origin	Germany
Cooling type	Active
Power
Total power	850 W
Power Good signal delay range	100 - 150 ms
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
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Hold time	17 ms
Efficiency	93.4%
Ports & interfaces
Motherboard power cable length	55 cm
SATA power cable length	450,550,570,670,690,790 mm
Peripheral (Molex) power cable length	790 mm
PCI Express power cable length	65 cm
CPU power cable length	60 cm
Motherboard power connector	20+4 pin ATX
Number of SATA power connectors	6
Number of PATA power connectors	1
Peripheral (Molex) power connectors (4-pin)	1
EPS power connector (8-pin)	Yes
PCI Express power connectors (6+2 pin)	4
CPU power connector (4+4 pin)	Yes
PCI Express connector	Yes
ATX power connector (20+4 pin)	Yes
Cabling type	Non-Modular
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%

Certificates
Certification	CB, TÜV, cRUus, cTUVus, RCM (Australia), BSMI, CU (Russia)
Compliance certificates	CCC, CE, Federal Communications Commission (FCC), RoHS, WEEE
80 PLUS certification	80 PLUS Gold
Weight & dimensions
Width	160 mm
Depth	86 mm
Height	150 mm
Weight	2.14 kg
Packaging data
Screws included	Yes
Package depth	300 mm
Package width	220 mm
Package height	100 mm
Package weight	2.6 kg
Manual	Yes
Manual languages	German, English, Spanish, French, Polish, Russian
Technical details
Sustainability certificates	ENERGY STAR, ErP
Warranty period	5 year(s)
Compliance certificates	CCC, CE, Federal Communications Commission (FCC), RoHS, WEEE
Packaging content
Screws included	Yes
Manual	Yes
Logistics data
Country of origin	Germany
Warranty period	5 year(s)
Other features
Screws included	Yes
Noise level (quiet mode, 50%)	10.4 dB
Noise level (silent mode, <30%)	10.3 dB
Noise level (full-load mode, 100%)	30.7 dB
Manual	Yes

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Delivery Details

UK distributors.
Order before 4 pm for next-day delivery.
Standard (2-3 days) £7.50
Next Day £9.99
Free standard delivery over £100

There are deivery surcharges to these postcodes:

Postcode	Charge
IV3-40	£20
IV52-54	£20
IV63	£20
KW1-14	£20
PA10-40	£20
PH19-40	£20
PH50	£20
HS	£50
IV41-51	£50
IV55-56	£50
KA27-28	£50
KW15-17	£50
PA41-49	£50
PA60-62	£50
PA76-78	£50
PH41-44	£50
ZE	£50
IM	£50
JE	£50
GY	£50
TR21-25	£50
BT	£20