Power Supply Unit be quiet! BN338

Name: Power Supply Unit be quiet! BN338
Brand: bequiet!
SKU: 10504027
Price: 207.99 EUR
Availability: InStock

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Power Supply Unit be quiet! BN338 1000 W

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Short description

The be quiet! BN338 power supply unit delivers a total power of 1000 W with 80 PLUS Platinum certification, ensuring high efficiency. It features a 20+4 pin ATX motherboard connector and comes with various SATA power cable lengths (550, 700, 850, 1000 mm). The active cooling system with a 13.5 cm fan ensures optimal performance, making it ideal for PC builds. Input voltage ranges from 100 to 240 V, with a peak power of 1070 W.

Available at price 207.99 €: 1085 pcs.

Total available for order: 1139 pcs.

Warranty: 2 Years

SKU: 10504027

Manufacturer: bequiet!

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Deliver the order:

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

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From 4.99 € (Weight: 3.65 kg)

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36 months installment: from 5.78 euros per month

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Product information

Description

The be quiet! BN338 1000 W power supply unit is an 80 PLUS Platinum certified ATX PSU designed for high-efficiency operation in desktop systems. Delivering 1000 W continuous power with a peak capability up to 1070 W, this PSU features a 20+4 pin ATX motherboard connector, a 135 mm Silent Wings-style fan for quiet active cooling, and fully modular sleeved cables up to 100 cm to simplify installation and cable management.

Advantages

With 80 PLUS Platinum certification and an efficiency of around 91.8%, the BN338 reduces power consumption and heat output compared with lower-efficiency models. The large 135 mm fan provides effective cooling while keeping noise low, and the use of high-quality components contributes to stable voltage regulation and long-term reliability. Modular, sleeved cables help maintain clean builds and improve airflow inside the case.

Suitable for

High-performance gaming PCs and workstations requiring up to 1000 W continuous power
Systems using modern GPUs and CPUs that benefit from stable 12V delivery
Enthusiast builds where quiet operation and neat cable management are priorities

Key specifications

Total power: 1000 W (peak 1070 W)
Efficiency: up to 91.8% (80 PLUS Platinum)
Motherboard connector: 20+4 pin ATX
Fan diameter: 135 mm
Modular sleeved cable lengths: up to 100 cm (SATA cable options: 550, 700, 850, 1000 mm)
Input voltage: 100–240 V
Color: Black
Weight: 1.85 kg

How to use

Mount the PSU in your PC case following the case manufacturer’s instructions, connect the 20+4 pin ATX connector to the motherboard and attach the required modular power cables to GPUs, drives and other components. Ensure the input voltage selector (if present) matches your mains supply and secure all connections before powering the system. Allow for adequate ventilation around the PSU fan intake to maintain low operating temperatures.

Usage recommendations

For stable long-term operation, pair the BN338 1000 W with components whose combined continuous power draw stays below the PSU’s 1000 W rating; reserve the peak capability for short transient loads. Keep the PSU and surrounding area free of dust and ensure good case airflow to maintain efficiency and reduce noise.

Specifications

Total power:: 1000 W
Efficiency:: 91.8 %
Motherboard power connector:: 20+4 pin ATX
80 PLUS certification:: 80 PLUS Platinum
Fan diameter:: 135 mm
Weight:: 1.85 kg
Product colour:: Black

All features

Power

Total power:: 1000 W
Efficiency:: 91.8 %
Peak power:: 1070 W
Hold time:: 25.3 ms
Power protection features:: Over voltage, Overheating, Under voltage, Over power, Over current
Power factor:: 0.99
Combined power (+3.3V):: 150 W
Combined power (+12V):: 999.6 W
Combined power (+5V):: 150 W
Max output current (+3.3V):: 25 A
Max output current (+12V):: 83.3 A
Max output current (+5V):: 25 A
Max output current (-12V):: 0.5 A
Max output current (+5Vsb):: 3 A
Input current:: 13/6.5
AC input frequency:: 50/60
AC input voltage:: 100 - 240

Ports & interfaces

Motherboard power connector:: 20+4 pin ATX
Number of SATA power connectors:: 9
Peripheral (Molex) power connectors (4-pin):: 0
EPS power connector (8-pin):: Yes
PCI Express power connectors (6+2 pin):: 4
Cabling type:: Fully-Modular
Number of PATA power connectors:: 2
Motherboard power cable length:: 600 mm
SATA power cable length:: 550, 700, 850, 1000
CPU power cable length:: 700 mm
Peripheral (Molex) power cable length:: 850
PCI Express power cable length:: 600 mm
EPS power connector (4+4 pin):: Yes
PCI Express power connectors (16-pin):: 1

Performance

Purpose:: PC
80 PLUS certification:: 80 PLUS Platinum
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.: 28.9 dB
Bearing technology:: FDB
ATX version:: 3.0
EPS version:: 2.92
Supported motherboard form factors:: ATX, Micro ATX, Mini-ATX
Power supply unit (PSU) form factor:: ATX

Design

Fan diameter:: 135 mm
Number of fans:: 1 fan(s)
Cooling type:: Active
Fan speed:: 0 - 2100
On/off switch:: Yes
Product colour:: Black

Certificates

Compliance certificates:: CE, WEEE, UKCA, Federal Communications Commission (FCC), RoHS

Technical details

Sustainability compliance:: Yes
Sustainability certificates:: ENERGY STAR, Triman, ErP

Weight & dimensions

Weight:: 1.85 kg
Height:: 86 mm
Width:: 150 mm
Depth:: 160 mm

Operational conditions

Operating temperature (T-T):: 0 - 40

Packaging data

Package weight:: 3560 g
Package depth:: 328 mm
Package height:: 102 mm
Package width:: 248 mm
Package type:: Box

Packaging content

Cables included:: SATA, CPU
Cable tie(s) included:: Yes

Logistics data

Shipping (inner) case width:: 282 mm
Shipping (inner) case length:: 651 mm
Shipping (inner) case height:: 346 mm
Products per shipping (inner) case:: 6 pc(s)
Shipping (inner) case net weight:: 22940 g
Warranty period:: 10 year(s)

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Instructions

mmo_112548787_1688560499_3891_12232.pdf

bequiet-BN338-10504027.pdf

Description

Instructions

mmo_112548787_1688560499_3891_12232.pdf

bequiet-BN338-10504027.pdf

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Warehouse	Stock	Delivery to the store	Store Price
EU16	1085	30.06.2026 Best delivery	207.99 €
WH113	2	30.06.2026 Best delivery	220.49 €
WH94	26	30.06.2026 Best delivery	227.99 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	26	14.07.2026	230.99 €

207.99 €

Stock: 1085

Delivery Date: 30.06.2026 Best delivery

Warehouse: EU16

220.49 €

Stock: 2

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH113

227.99 €

Stock: 26

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH94

Available only for legal entities

230.99 €

Stock: 26

Delivery Date: 14.07.2026

Warehouse: WH109

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Customer questions

FAQ

How much does the Power Supply Unit be quiet! BN338 cost, and is it available for purchase?

The price is 207.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1139 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, Installment. All transactions are 100% secure and encrypted.

Can Power Supply Unit be quiet! BN338 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! BN338 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”;
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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: 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! BN338?

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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