# be quiet! SFX L Power Power Supply Unit 600 W

**URL:** https://aio.lv/en/product--bequiet-bn239--1891701
**Data updated:** 2026-02-17 11:43 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** bequiet!
**Manufacturer code:** BN239
**EAN:** 4260052187135
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 136.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 113.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bequiet-bn239--1891701

## 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! 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.

## Long 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

### Power

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| 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

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

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, CB, TÜV, FCC, cTUVus, RCM |
| Compliance certificates | RoHS |

### Technical details

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.16 kg |
| Height | 64 mm |
| Width | 125 mm |
| Depth | 130 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 2040 g |
| Package depth | 220 mm |
| Package height | 80 mm |
| Package width | 205 mm |
| Manual | Yes |
| Package type | Box |

### Other features

| Feature | Value |
|---|---|
| Noise level (quiet mode, 50%) | 14.5 dB |
| Noise level (full-load mode, 100%) | 28.7 dB |
| Noise level (silent mode, | 9.9 dB |
| Screws included | Yes |
| Cable ties included | Yes |

### Logistics data

| Feature | Value |
|---|---|
| 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 |

## 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. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 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.

## Image

https://aio.lv/img/cache/product/1891701/64779258_large.webp