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header-product Power Supply Unit be quiet! System Power 11 750W
81.49 €

Power Supply Unit be quiet! System Power 11 750W

Fast delivery available
Power Supply Unit be quiet! System Power 11 Photo 1
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Short description

The be quiet! System Power 11 750W power supply unit offers reliable performance with a total power output of 750W. It features a 20+4 pin ATX motherboard connector and operates on an AC input voltage of 200-240V at 50Hz. This non-modular PSU is designed for PC use and is certified with 80 PLUS Bronze for energy efficiency. The active cooling system with a 12 cm fan ensures optimal temperature management. Compliance with CB, CE, RoHS, TÜV, UKCA, and WEEE standards guarantees safety and reliability.
Available at price 81.49 €: 21 pcs.
Total available for order: 185 pcs.
Warranty: 2 Years
SKU: 11431561
Manufacturer: bequiet!
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
21.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
24.09.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.62 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
24.09.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 2.26 euros per month
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Product information

Description

System Power 11 750W is a reliable, quiet power supply designed for value-oriented users who need stable performance without unnecessary noise. It supports ATX 3.1 compatibility and includes a temperature-controlled fan to maintain efficient cooling while minimizing sound levels.

Advantages

The unit provides dependable power delivery and low operational noise thanks to its temperature-controlled fan. ATX 3.1 compatibility ensures support for modern system requirements while remaining an affordable option for entry-level builds.

Key specifications

  • Wattage: 750W
  • Form factor compatibility: ATX 3.1
  • Cooling: temperature-controlled fan
  • Target user: value-oriented / entry-level systems

How to use

Install the power supply into an ATX-compatible case following the case and motherboard manufacturer instructions. Connect the main 24-pin ATX cable, CPU power cable, and required PCIe and SATA power connectors to the components. Ensure proper airflow around the unit so the temperature-controlled fan can regulate cooling effectively.

Recommendations

Verify compatibility with your motherboard and components before installation and ensure your case provides adequate ventilation. For quiet operation, place the system on a stable surface and keep intake and exhaust paths free of dust.

Specifications

80 PLUS certification:
80 PLUS Bronze
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
1
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.
200 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
750 W
All features

Other features

Cable ties included:
Yes
Screws 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:
15600 g
Products per shipping (inner) case:
6 pc(s)

Technical details

Sustainability certificates:
ErP, ENERGY STAR

Packaging data

Package type: The type of product package e.g. box.
Box
Package weight: Weight of the packaged product.
2400 g
Package height: The distance from the top to the bottom of the packaging.
97 mm
Package depth: The distance from the front to the back of the packaging.
268 mm
Package width: The distance from one side of the packaging to the other.
195 mm

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
2.04 kg
Height: The measurement of the product from head to foot or from base to top.
140 mm
Depth: The distance from the front to the back of something.
86 mm
Width: The measurement or extent of something from side to side.
150 mm

Certificates

Waste Electrical and Electronic Equipment (WEEE) compliance:
Yes
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
CB, CE, RoHS, TÜV mark, UKCA, WEEE

Design

On/off switch: The button which is pressed to switch the device on or off.
Yes
Fan speed:
0 - 2100
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).
1 fan(s)
Fan diameter: The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.
120 mm
Cooling type: The method used to cool the device or to cool the air around the device.
Active
Product colour: The colour e.g. red, blue, green, black, white.
Black

Performance

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
100000 h
Bearing technology:
Rifle
Noise level: The amplitude level of the undesired background noise, usually measured in decibels (db).
33.4 dB
EPS version:
2.92
ATX version: ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3.
3.1
80 PLUS certification:
80 PLUS Bronze
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Non-Modular
CPU power connector (4+4 pin):
Yes
CPU P4 connector (4-pin):
1
PCI Express power connectors (12-pin):
1
PCI Express power connectors (6+2 pin):
3
EPS power connector (8-pin):
Yes
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
1
Number of SATA power connectors:
6
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX

Power

Power protection features: Features that protect the device against power problems e.g. overload.
Short circuit, Surge & inrush, Under voltage, Over voltage, Over power, Over current, Overheating
Efficiency:
90 %
Hold time:
17.34 ms
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Max output current (+5V):
20 A
Max output current (+12V1):
62.5 A
Max output current (+3.3V):
20 A
Combined power (+5Vsb):
15 W
Combined power (-12V):
3.6 W
Combined power (+5V):
120 W
Combined power (+12V):
750 W
Combined power (+3.3V):
120 W
Power factor:
0.98
Input current:
4
AC input frequency:
50
AC input voltage: The voltage of the AC electricity that is inputted into the product.
200 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
750 W

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Stock data
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EU57 21 21.09.2026
81.49 €
WH113 7 22.09.2026
81.99 €
WH94 54 22.09.2026
82.99 €
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93.99 €
81.49 €
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81.99 €
Stock: 7
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Stock: 44
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92.49 €
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Delivery Date: 06.10.2026
Warehouse: WH109

Customer reviews

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 81.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 185 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 21.09.2026 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, Installment. All transactions are 100% secure and encrypted.

Can Power Supply Unit be quiet! System Power 11 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Power Supply Unit be quiet! System Power 11 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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: 80 plus certification, power supply unit (psu) form factor, purpose, peripheral (molex) power connectors (4-pin), motherboard power connector, ac input voltage, total power, 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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