# Power Supply Unit be quiet! System Power 11 550W

**URL:** https://aio.lv/en/product--bequiet-bp010eu--11431559
**Data updated:** 2025-12-30 21:19 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** bequiet!
**Manufacturer code:** BP010EU
**EAN:** 4260052191866
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 61.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 51.23 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bequiet-bp010eu--11431559

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The be quiet! System Power 11 550W power supply unit is designed for PC use, featuring a 20+4 pin ATX connector and non-modular cabling. It operates on an AC input voltage of 200-240V and a frequency of 50Hz. With an 80 PLUS Bronze certification, it ensures efficient power delivery. The active cooling system with a 12 cm fan keeps the unit cool, while its black color adds a sleek look. Compliance with multiple certificates ensures reliability and safety.

## Long description

The be quiet! System Power 11 550W power supply unit delivers reliable, quiet power for value-oriented PC builds. It supports ATX 3.1 via a 20+4 pin motherboard connector, comes with fixed (non-modular) cabling and features an active 120 mm fan for temperature-controlled cooling. The unit is 80 PLUS Bronze certified and designed for AC 200–240 V, 50 Hz operation; its black finish is suitable for most system interiors.
Advantages
The System Power 11 550W combines proven reliability with low-noise operation thanks to an intelligently controlled fan. With 80 PLUS Bronze efficiency (about 89.7% peak) and multiple safety certifications, it provides stable power delivery for everyday desktop and entry-level gaming systems. Non-modular cabling simplifies installation and the ATX 3.1 compatibility ensures modern motherboard support.
Suitable for
Home and office desktop PCs
Entry-level gaming systems
System upgrades requiring a 550 W PSU
Builds where quiet operation is preferred
Key specifications
Total power: 550 W
Efficiency: 89.7% (80 PLUS Bronze)
Motherboard connector: 20+4 pin ATX (ATX 3.1 compatible)
Input: AC 200–240 V, 50 Hz
Fan diameter: 120 mm, temperature-controlled
Cabling: fixed (non-modular)
Colour: Black
Weight: 1.92 kg
How to use
Install the PSU into a compatible ATX case following the motherboard and case manufacturer guidelines. Connect the 20+4 pin ATX cable to the motherboard and attach the required peripheral connectors to drives and other components. Ensure the AC mains voltage matches the PSU rating (200–240 V) and route cables to avoid obstructing airflow. During initial power-up, verify that system fans and components receive stable power and monitor temperatures.
Usage recommendations
For reliable, quiet operation maintain adequate case ventilation and avoid blocking the 120 mm fan. Use this 550 W unit for systems whose combined component power draw stays within the PSU’s rated capacity; consider headroom for future upgrades.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 550 W |
| Efficiency | 89.7 % |
| Hold time | 16.86 ms |
| Power protection features | Under voltage, Surge & inrush, Short circuit, Overheating, Over voltage, Over power, Over current |
| Power factor | 0.98 |
| 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 (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 4 |
| AC input frequency | 50 |
| AC input voltage | 200 - 240 |
| Max output current (+12V1) | 45.83 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| CPU power connector (4+4 pin) | Yes |
| CPU P4 connector (4-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Non-Modular |
| PCI Express power connectors (12-pin) | 1 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| Mean time between failures (MTBF) | 100000 h |
| Noise level | 24.2 dB |
| Bearing technology | Rifle |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan speed | 0 - 1800 |
| On/off switch | Yes |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
| Compliance certificates | UKCA, CB, CE, RoHS, TÜV mark, WEEE |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | ENERGY STAR, ErP |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.92 kg |
| Height | 140 mm |
| Width | 150 mm |
| Depth | 86 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 2300 g |
| Package depth | 268 mm |
| Package height | 97 mm |
| Package width | 195 mm |
| Package type | Box |

### Other features

| Feature | Value |
|---|---|
| Screws included | Yes |
| Cable ties included | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Shipping (inner) case width | 311 mm |
| Shipping (inner) case length | 556 mm |
| Shipping (inner) case height | 218 mm |
| Shipping (inner) case gross weight | 14900 g |
| Products per shipping (inner) case | 6 pc(s) |

## FAQ

### How much does the Power Supply Unit be quiet! System Power 11 cost, and is it available for purchase?

The price is 61.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 339 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All bequiet! products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized bequiet! service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, efficiency, motherboard power connector, 80 plus certification, fan diameter, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Power Supply Unit be quiet! System Power 11?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11431559/66170560_large.webp