be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black
From
£48.94
You save £6.04 (11%)
Retrouvez be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black au meilleur prix sur Compiral.fr. 1 offres mises a jour en temps reel. Des 49,99 €.
Listed since 7 April 2026
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Lowest price in period
£43.99
8 April 2026
Description
System Power 11 550W has been built with value-oriented users in mind that do not want to pass on reliability and quietness. Elaborated features such as ATX 3.1 compatibility and a temperature-controlled fan underline the value System Power 11 550W offers even at entry-level.
Specifications
| Total power | 550 W |
| AC input voltage | 200 - 240 V |
| AC input frequency | 50 Hz |
| Input current | 4 A |
| Power factor | 0.98 |
| Number of +12V rail(s) | 1 |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 550 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V1) | 45.83 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Hold time | 16.86 ms |
| Efficiency | 89.7% |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 2 |
| PCI Express power connectors (12-pin) | 1 |
| CPU P4 connector (4-pin) | 1 |
| CPU power connector (4+4 pin) | Yes |
| Cabling type | Non-Modular |
| 80 PLUS certification | 80 PLUS Bronze |
| Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Noise level | 24.2 dB |
| Bearing technology | Rifle |
| Mean time between failures (MTBF) | 100000 h |
| Product colour | Black |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| Fan speed | 0 - 1800 RPM |
| On/off switch | Yes |
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
| Compliance certificates | CB, CE, RoHS, TÜV mark, UKCA, WEEE |
| Width | 150 mm |
| Depth | 86 mm |
| Height | 140 mm |
| Weight | 1.92 kg |
| Package width | 195 mm |
| Package depth | 268 mm |
| Package height | 97 mm |
| Package weight | 2.3 kg |
| Package type | Box |
| Sustainability certificates | ENERGY STAR, ErP |
| Shipping (inner) case length | 55.6 cm |
| Shipping (inner) case width | 31.1 cm |
| Shipping (inner) case height | 21.8 cm |
| Products per shipping (inner) case | 6 pc(s) |
| Shipping (inner) case gross weight | 14.9 kg |
| Screws included | Yes |
| Cable ties included | Yes |
Full specifications
| Marque | be quiet! |
| Référence fabricant | bp010eu |
| EAN | 4260052191866 |
The be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black in its market context in 2026
With the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black, be quiet! offers a solution suited to everyday needs in 2026. Available from 3 retailers on Compiral, this product benefits from real-time price comparison. Each offer is verified and updated several times a day to ensure you have the freshest information. Our platform calculates the total price including delivery costs, so you can identify the true best offer among all listed retailers.
be quiet!: what this model offers
What buyers remember about the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of be quiet! on the Computers & Hardware segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the be quiet! Dark Power Pro 13 | 1300W power supply unit 20+4 pin ATX ATX Black from the same brand for a second level of comparison.
The strengths that really make a difference
What truly differentiates the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black from other products in the Computers & Hardware category comes down to a few concrete points: the build quality typical of be quiet!, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the be quiet! Pure Rock Pro 3 Black Processor Air cooler 12 cm 1 pc(s) if you wish to explore other models from the brand.
What you need to know before buying
Before buying the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. be quiet! generally offers a well-structured after-sales network for the Computers & Hardware category.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 403200 £ |
| Mid-range | 403200 £ to 940800 £ |
| High-end | Over 940800 £ |
Comparing prices before buying the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 3 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.
Frequently asked questions about be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black
Is there a refurbished version of the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black?
Refurbished versions of the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
When do prices for the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black drop during the year?
Prices for the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Computers & Hardware category.
Is delivery free for the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black at all retailers?
Free delivery is not guaranteed for the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.
How do I return the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black if I am not satisfied?
You have a 14-day right of withdrawal for any online purchase, applicable to the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.
Is the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black worth its price in 2026?
In 2026, the be quiet! System Power 11 550W power supply unit 20+4 pin ATX ATX Black is listed from £48.94 at our partner retailers. This price is consistent with the positioning of be quiet! in the Computers & Hardware category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
Highlights
Highlights
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- 550W
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