Power Supply Unit be quiet! System Power 11

Name: Power Supply Unit be quiet! BP010EU
Brand: bequiet!
SKU: 11431559
Price: 61.99 EUR
Availability: InStock

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Power Supply Unit be quiet! System Power 11 550W

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Short 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.

Available at price 61.99 €: 13 pcs.

Total available for order: 293 pcs.

Warranty: 2 Years

SKU: 11431559

Manufacturer: bequiet!

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

29.06.2026 {{selectedOffer.officeDeliveryString}}

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

29.06.2026 {{selectedOffer.officeDeliveryString}}

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From 4.99 € (Weight: 2.37 kg)

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Product information

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

Total power:: 550 W
Efficiency:: 89.7 %
Motherboard power connector:: 20+4 pin ATX
80 PLUS certification:: 80 PLUS Bronze
Fan diameter:: 120 mm
Weight:: 1.92 kg
Product colour:: Black

All features

Power

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

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

Purpose:: PC
80 PLUS certification:: 80 PLUS Bronze
Mean time between failures (MTBF):: 100000 h
Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.: 24.2 dB
Bearing technology:: Rifle
ATX version:: 3.1
EPS version:: 2.92
Power supply unit (PSU) form factor:: ATX

Design

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

Waste Electrical and Electronic Equipment (WEEE) compliance:: Yes
Compliance certificates:: UKCA, CB, CE, RoHS, TÜV mark, WEEE

Technical details

Sustainability certificates:: ENERGY STAR, ErP

Weight & dimensions

Weight:: 1.92 kg
Height:: 140 mm
Width:: 150 mm
Depth:: 86 mm

Packaging data

Package weight:: 2300 g
Package depth:: 268 mm
Package height:: 97 mm
Package width:: 195 mm
Package type:: Box

Other features

Screws included:: Yes
Cable ties included:: Yes

Logistics data

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)

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Instructions

mmo_131010020_1747392525_2177_2306245.pdf

bequiet-BP010EU-11431559.pdf

Description

Instructions

mmo_131010020_1747392525_2177_2306245.pdf

bequiet-BP010EU-11431559.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH113	13	29.06.2026	61.99 €
EU16	74	29.06.2026	63.49 €
EU57	17	26.06.2026	63.99 €
WH94	66	29.06.2026	63.99 €
WH334	4	29.06.2026	64.99 €
EU1	16	22.06.2026	65.49 €
EU3	62	29.06.2026	65.49 €
EU2	3	Tuesday Best delivery	66.49 €
WH354	20	06.07.2026	69.49 €

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Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
EU9	1	29.06.2026	65.99 €
WH109	17	13.07.2026	72.49 €

61.99 €

Stock: 13

Delivery Date: 29.06.2026

Warehouse: WH113

63.49 €

Stock: 74

Delivery Date: 29.06.2026

Warehouse: EU16

63.99 €

Stock: 17

Delivery Date: 26.06.2026

Warehouse: EU57

63.99 €

Stock: 66

Delivery Date: 29.06.2026

Warehouse: WH94

64.99 €

Stock: 4

Delivery Date: 29.06.2026

Warehouse: WH334

65.49 €

Stock: 16

Delivery Date: 22.06.2026

Warehouse: EU1

65.49 €

Stock: 62

Delivery Date: 29.06.2026

Warehouse: EU3

66.49 €

Stock: 3

Delivery Date: Tuesday Best delivery

Warehouse: EU2

69.49 €

Stock: 20

Delivery Date: 06.07.2026

Warehouse: WH354

Available only for legal entities

65.99 €

Stock: 1

Delivery Date: 29.06.2026

Warehouse: EU9

72.49 €

Stock: 17

Delivery Date: 13.07.2026

Warehouse: WH109

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Customer questions

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 — 293 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 29.06.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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.

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