Loading
Configuring your product

Multiple Finance Options Learn More

New products added everyday! Shop Now

Buy 2 items Get 1 item at 5% off!

BEQUIET  |  SKU: BN330  |  Condition: Brand New  |  UPC/EAN: 4260052189108

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

£97.99
Excl VAT £81.66

Key Details:

  • 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
Final Price after Configuration:
£97.99
Excl VAT £81.66

Found a cheaper price online? Contact us so we can price match/beat.

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

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.

Power
Power protection features Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Efficiency 93.4%
Power Good signal delay range 100 - 150 ms
Hold time 17 ms
Max output current (+5Vsb) 3 A
Max output current (-12V) 0.3 A
Max output current (+5V) 22 A
Max output current (+12V2) 36 A
Max output current (+12V1) 40 A
Max output current (+3.3V) 22 A
Combined power (+5Vsb) 15 W
Combined power (-12V) 3.6 W
Combined power (+5V) 120 W
Combined power (+12V) 849.6 W
Combined power (+3.3V) 120 W
Power Factor Correction (PFC) type Active
Power factor 0.97
Input current 5 A
AC input frequency 50 Hz
AC input voltage 200 - 240 V
Total power 850 W
Ports & interfaces
Cabling type Non-Modular
PCI Express connector Yes
ATX power connector (20+4 pin) Yes
CPU power cable length 60 cm
CPU power connector (4+4 pin) Yes
PCI Express power cable length 65 cm
PCI Express power connectors (6+2 pin) 4
EPS power connector (8-pin) Yes
Peripheral (Molex) power cable length 790 mm
Peripheral (Molex) power connectors (4-pin) 1
SATA power cable length 450,550,570,670,690,790 mm
Number of SATA power connectors 6
Number of PATA power connectors 1
Motherboard power cable length 55 cm
Motherboard power connector 20+4 pin ATX
Performance
Country of origin Germany
Certification CB, TÜV, cRUus, cTUVus, RCM (Australia), BSMI, CU (Russia)
Mean time between failures (MTBF) 100000 h
Bearing technology Rifle
Noise level 30.7 dB
EPS version 2.92
ATX version 2.52
80 PLUS certification 80 PLUS Gold
Power supply unit (PSU) form factor ATX
Purpose PC
Design
On/off switch Yes
Fan speed 0 - 2000 RPM
Number of fans 1 fan(s)
Fan diameter 12 cm
Cooling type Active
Product colour Black
Operational conditions
Storage relative humidity (H-H) 0 - 95%
Operating relative humidity (H-H) 0 - 90%
Storage temperature (T-T) -20 - 70 °C
Operating temperature (T-T) 0 - 40 °C
Weight & dimensions
Weight 2.14 kg
Height 150 mm
Depth 86 mm
Width 160 mm
Packaging data
Package weight 2.6 kg
Package height 100 mm
Package depth 300 mm
Package width 220 mm
Manual languages German, English, Spanish, French, Polish, Russian
Manual Yes
Technical details
Sustainability certificates CCC, CE, ENERGY STAR, ErP, Federal Communications Commission (FCC), RoHS, WEEE
Warranty period 5 year(s)
Other features
Noise level (full-load mode, 100%) 30.7 dB
Noise level (quiet mode, 50%) 10.4 dB
Noise level (silent mode, 10.3 dB
Screws included Yes

Payment & Security

Payment methods

  • Visa
  • Mastercard
  • PayPal
  • Klarna
  • Google Pay
  • Apple Pay
  • Shop Pay
  • Clearpay

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

be quiet! System Power 10 power supply unit 850 W 20 + 4
BEQUIET

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

£97.99
Excl VAT £81.66

Grade

Brand New

Model

N/A

Part Number

BN330

Case

N/A

Motherboard

N/A

Processor

N/A

Memory

N/A

Graphics Card

N/A

Solid State Drive (SSD)

N/A

Hard Disk Drive (HDD)

N/A

Cooling

N/A

Power Supply

N/A

Network Connectivity (WiFi + Bluetooth)

N/A

Operating System

N/A

Mouse and Keyboard

N/A

Monitor

N/A
View product