Skip to content

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

Original price £103.99 - Original price £103.99
Original price
£103.99 (incl. VAT)
£103.99 - £103.99
Current price £103.99 (incl. VAT)

Flexible credit available

In-Stock-Available (176 Quantity)

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.




  • Form Factor: ATX
  • Series: Be Quiet! System Power 10
  • Wattage: 850 W
  • Modular: Fully Wired
  • Compatability: ATX 12V v2.52
    EPS 12V v2.92
  • #Hide#Wattage Range: 800 - 860W
  • Connectors: 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
  • PFC: Active PFC
  • Fan Type: 120mm silence-optimized be quiet! fan
  • Fan Bearing: Rifle Bearing
  • Noise: 20% load: 10.3 dB(A)
    50% load: 10.4 dB(A)
    100% load: 30.7 dB(A)
  • 80+ Certification: 80+ Gold
  • Efficiency: "230V, 20% load: 91.4%
    230V, 50% load: 93.4%
    230V, 100% load: 91.4%"
  • MTBF: "100,000 hours"
  • Protection: 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
  • Package Contents: Screws
  • Weight/Dimensions: 2.14 kg
    (LxWxD) 150 x 160 x 86 mm
  • Package Weight: 2.7000 kg
  • Warranty: 5 Years
Brand New
Part Number

Manufacturer Warranty included on brand new items

Contact us for specific warranty if not listed in the product description.


free uk delivery

Recieve your item within 5 working days when choosing Free Delivery!

FREE UK Delivery Free delivery is only available to the UK Mainland.

Express services are available at an additional cost, such as DPD and Royal Mail. Order by 1PM (Monday to Friday) for next working day delivery. *Exclusions and product restrictions apply*

International Delivery Delivery to over 40 countries and worldwide shipping. Full Delivery Information

Ordering a PC? Please be aware that our PCs come with a build time, which is not your delivery time. For an accurate estimate on when to expect your PC, please calculate both your build time and delivery time in working days. On the morning of your delivery date, you will be notified with the estimate time slot.

Returns Full 30-day Return and Refund Period if you aren’t happy or change your mind. Full Returns Information