be quiet! SFX L Power Power Supply

Name: be quiet! SFX L Power BN239
Brand: bequiet!
SKU: 1891701
Price: 136.99 EUR
Availability: InStock

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be quiet! SFX L Power Power Supply Unit 600 W

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Short description

The be quiet! SFX L Power 600 W power supply unit offers a total power of 600 W with a peak power of 650 W. It features a 20+4 pin ATX motherboard power connector and comes with a 30 cm motherboard power cable and a 40 cm PCI Express power cable. This SFX form factor PSU is 80 PLUS Gold certified, ensuring high efficiency. With a single 12 cm fan, it operates quietly while maintaining optimal cooling. Compatible with a wide range of PCs, it meets various compliance certifications including RoHS, CE, and TÜV.

Available at price 136.99 €: 5 pcs.

Total available for order: 58 pcs.

Warranty: 2 Years

SKU: 1891701

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: 2.05 kg)

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36 months installment: from 3.81 euros per month

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Product information

Description

be quiet! SFX L Power 600 W is a compact SFX form-factor power supply designed for mini-ITX and small-scale gaming systems. It delivers up to 600 W continuous power (650 W peak) from a stable single 12V rail, uses high-quality Japanese capacitors and modern topologies (LLC, synchronous rectifier, DC-to-DC conversion), and includes four PCIe connectors. The unit is 80 PLUS Gold certified for up to 92% efficiency and is supplied with modular flat black cables and an SFX-to-ATX adapter bracket for flexible installation.

Advantages

The power supply offers quiet operation through a temperature-controlled 120 mm fan and low heat generation, making it suitable for compact builds where noise is a concern. High internal component quality ensures reliable and stable voltage delivery to CPU and GPU. Fully modular flat cables improve installation convenience and cable management, while the included SFX-to-ATX adapter increases compatibility with larger cases. Certifications such as RoHS, CE and TÜV confirm compliance with common safety and environmental standards.

Suitable for

Mini-ITX compact gaming PCs
Home theater PCs (HTPC)
Small form-factor systems requiring a 600 W SFX power supply
Upgrades where low noise and high efficiency are desired

Key specifications

Total power: 600 W (650 W peak)
Efficiency: up to 92% (80 PLUS Gold)
Motherboard connector: 20+4 pin ATX
PCIe connectors: 4×
Fan diameter: 120 mm (temperature-controlled)
Form factor: SFX L with SFX-to-ATX adapter
Weight: 1.16 kg
Color: Black

How to use

Install the SFX L Power 600 W into your case following the supplied manual and use the included SFX-to-ATX adapter bracket if your chassis requires ATX mounting. Connect the 20+4 pin ATX cable to the motherboard, attach PCIe cables to graphics cards as needed, and connect storage and peripheral devices using the modular cables. Ensure proper airflow around the 120 mm fan and secure all connections before powering the system on.

Usage recommendations

For optimal performance, keep the PSU intake and exhaust unobstructed, use the modular cables you need to reduce clutter, and choose a cable layout that maintains airflow inside small enclosures. Verify total system power draw to remain within the 600 W continuous rating.

Specifications

Total power:: 600 W
Efficiency:: 92 %
Motherboard power connector:: 20+4 pin ATX
80 PLUS certification:: 80 PLUS Gold
Fan diameter:: 120 mm
Weight:: 1.16 kg
Product colour:: Black

All features

Power

Total power:: 600 W
Efficiency:: 92 %
Power Factor Correction (PFC) type:: Active
Peak power:: 650 W
Hold time:: 16.8 ms
Power protection features:: Overheating, Short circuit, Under voltage, Over voltage, Over power, Over current
Power factor:: 0.99
Combined power (+3.3V):: 110 W
Combined power (+12V):: 600 W
Combined power (+5V):: 110 W
Combined power (-12V):: 3.6 W
Combined power (+5Vsb):: 15 W
Max output current (+3.3V):: 22 A
Max output current (+12V):: 50 A
Max output current (+5V):: 22 A
Max output current (-12V):: 0.3 A
Max output current (+5Vsb):: 3 A
Input current:: 10
AC input frequency:: 50 - 60
AC input voltage:: 100 - 240

Ports & interfaces

Motherboard power connector:: 20+4 pin ATX
Number of SATA power connectors:: 6
CPU power connector (4+4 pin):: Yes
PCI Express power connectors (6+2 pin):: 4
Cabling type:: Fully-Modular
Number of PATA power connectors:: 3
Motherboard power cable length:: 300 mm
CPU power cable length:: 400 mm
PCI Express power cable length:: 400 mm

Performance

Purpose:: PC
80 PLUS certification:: 80 PLUS Gold
Bearing technology:: Sleeve
ATX version:: 2.4
Silent mode:: Yes
Supported motherboard form factors:: Mini-ITX
Power supply unit (PSU) form factor:: SFX

Design

Fan diameter:: 120 mm
Number of fans:: 1 fan(s)
On/off switch:: Yes
Product colour:: Black

Certificates

Certification:: CE, CB, TÜV, FCC, cTUVus, RCM
Compliance certificates:: RoHS

Technical details

Sustainability certificates:: ENERGY STAR

Weight & dimensions

Weight:: 1.16 kg
Height:: 64 mm
Width:: 125 mm
Depth:: 130 mm

Packaging data

Package weight:: 2040 g
Package depth:: 220 mm
Package height:: 80 mm
Package width:: 205 mm
Manual:: Yes
Package type:: Box

Other features

Noise level (quiet mode, 50%):: 14.5 dB
Noise level (full-load mode, 100%):: 28.7 dB
Noise level (silent mode, <30%):: 9.9 dB
Screws included:: Yes
Cable ties included:: Yes

Logistics data

Master (outer) case height:: 240 mm
Master (outer) case width:: 430 mm
Master (outer) case gross weight:: 21500 g
Master (outer) case length:: 430 mm
Products per master (outer) case:: 10 pc(s)
Harmonized System (HS) code:: 84733020

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Instructions

mmo_66918512_1547668399_3276_14481.pdf

bequiet-BN239-1891701.pdf

Description

Instructions

mmo_66918512_1547668399_3276_14481.pdf

bequiet-BN239-1891701.pdf

Machine translation. Load original

Reasons to buy

Modular and flat cables

Entirely modular cables are complemented by premium black flat cables. This simplifies installation and helps keep the system tidy.

Super versatile installation

This power supply is particularly versatile thanks to the included SFX-to-ATX adapter bracket. It fits SFX-form-factor cases and can also be installed in a few simple steps into larger ATX cases.

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Warehouse	Stock	Delivery to the store	Store Price
WH334	5	30.06.2026 Best delivery	136.99 €
WH94	23	30.06.2026 Best delivery	147.49 €
WH354	5	07.07.2026	159.99 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH159	2	30.06.2026 Best delivery	144.99 €
WH109	23	14.07.2026	151.99 €

136.99 €

Stock: 5

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH334

147.49 €

Stock: 23

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH94

159.99 €

Stock: 5

Delivery Date: 07.07.2026

Warehouse: WH354

Available only for legal entities

144.99 €

Stock: 2

Delivery Date: 30.06.2026 Best delivery

Warehouse: WH159

151.99 €

Stock: 23

Delivery Date: 14.07.2026

Warehouse: WH109

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Customer questions

FAQ

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

The price is 136.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 58 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 be quiet! SFX L Power Power Supply 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 be quiet! SFX L Power Power Supply 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: 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 be quiet! SFX L Power Power Supply?

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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