Be Quiet! 850W System Power 10 PSU, 80+ Gold, Fully Wired, Dual 12V Rails, Temp. Controlled Fan

Sale price £ 73.57
In stock (176 units), ready to be shipped


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 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
  • 5-year manufacturer’s warranty 

Very Quiet Operation

High-quality fan for low noise
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 Performance For Your System

Proven reliability for CPU and GPU
System Power 10 850W 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® 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!

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.


Package Contents
80+ Gold
230V, 20% load_ 91.4% 230V, 50% load_ 93.4% 230V, 100% load_ 91.4%
100,000 hours
OCP (over current protection) OVP (over Voltage protection) UVP (under Voltage protection) SCP (short circuit protection) OTP (over temperature protection) OPP (over power protection) SIP (Surge & Inrush Protection)
Additional Features
See Overview / Video
Screws Manual
20% load_ 10.3 dB(A) 50% load_ 10.4 dB(A) 100% load_ 30.7 dB(A)
2.14 kg (LxWxD) 150 x 160 x 86 mm
Package Weight
0.0000 kg
5 Years

80+ Certification
Form Factor
850 W
Be Quiet! System Power 10
Fully Wired
ATX 12V v2.52 EPS 12V v2.92
#Hide#Wattage Range
800 - 860W
Rifle Bearing
1 x ATX-Motherboard (20+4-pin) 1 x P8 (CPU) 1 x P4+4 (CPU) 4 x PCI-e 6+2-pin (GPU) 1 x PATA 6 x SATA
Rail Design
Dual strong 12V-rails
AC Input
200-240 Vac
Active PFC
Fan Type
120mm silence-optimized be quiet! fan
Fan Bearing

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