be quiet! System Power 10 power supply unit 850 W 20+4 pin ATX ATX Black
KEY FEATURES
- 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
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Frequently Asked Questions

be quiet! System Power 10 power supply unit 850 W 20+4 pin ATX ATX Black
Description
be quiet! System Power 10. Total power: 850 W, AC input voltage: 200 - 240 V, AC input frequency: 50 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 55 cm, SATA power cable length: 450,550,570,670,690,790 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Fan diameter: 12 cm. Width: 160 mm, Depth: 86 mm, Height: 150 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.
Warranty: 5-year
Feature
Easy 14 days Returns
Eligible for Next day Delivery
100% Money-back guarantee
24/7 Customer support
Secure payment method
Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
Power | |
---|---|
Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
Power Good signal delay range | 100 - 150 ms |
Efficiency | 93.4% |
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 |
Technical details | |
---|---|
Warranty period | 5 year(s) |
Compliance certificates | CCC, CE, Federal Communications Commission (FCC), RoHS, WEEE |
Sustainability certificates | ENERGY STAR, ErP |
Other features | |
---|---|
Manual | Yes |
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 |
Frequently Asked Questions
When will it arrive?
Any order over £99 wil be shipped on our free 2-3 working day service, if you opt for Next Working Day shipping then this will be with you the next working day between 09:00 and 18:00. Deliveries to Northern Ireland, Channel Islands and the Scottish Highlands will be on a 3 day service.
Do you offer a credit account?
We offer credit accounts to Gotraka Business customers, please enquire with our customer support team for more information. Credits accounts are subject to KYC.
How long is the returns policy?
For most products bought online, you have a legal right to change your mind within 14 days and receive a refund. If you wish to return unwanted products, you must let us know that you want to return them within 14 calendar days from the day after delivery. The item must also be returned to us within 7 working days from approval of return and receipt of the return label.
How long will it take to receive my order?
This is something that we are working hard to bring to you - we recognise that having deliveries on preferred days not only makes it easier for you but it is also great for the environment. By having deliveries arranged on days that you are going to be in or consolidating your orders to arrive to you at the same time means that the courier won't need to come back multiple times due to missed deliveries or multiple deliveries.
Can I change my delivery address once the order has been placed?
Our systems are highly automated, where possible we will do our utmost to accommodate this. To ensure we maintain a high delivery success rate most of our orders are picked and prepped for shipment within 30 minutes
How do I return my order?
If you need to return your order please raise a return through your order page detailing the reason for return. Once this form has been submitted it will be reviewed by the Returns Department who will contact you to arrange the return.
Please note the returns department may ask for more information such as the serial number(s) and images where applicable to process the return.
How long do I have to return an item?
For most products bought online, you have a legal right to change your mind within 14 days and receive a refund. If you wish to return unwanted products, you must let us know that you want to return them within 14 calendar days from the day after delivery. The item must also be returned to us within 7 working days from approval of return and receipt of the return label
Are returns free?
Returns for faulty / damaged items will be free of charge
Returns for unwanted items that have no fault will incur a minimal returns fee - delivery charges will not be refunded
Can’t find what you’re looking for?
Our friendly support team is just a message away, ready to assist with anything. Our team is experienced with gaming gear, home tech, and everything in between—feel free to reach out.
📧 Email: help@gotraka.com
📞 Phone: 020 8208 1234
💬 Live Chat: Available 9 AM – 6 PM ( Monday - Friday )