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header-product be quiet! SFX L Power Power Supply Unit 600 W
115.49 €

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 115.49 €: 11 pcs.
Total available for order: 54 pcs.
Warranty: 2 Years
SKU: 1891701
Manufacturer: bequiet!
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Unisend LV

Pick-up points

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Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
28.09.2026 {{selectedOffer.officeDeliveryString}}
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From 4.99 € (Weight: 2.05 kg)
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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

80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
SFX
Purpose: What the product is used for.
PC
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.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
600 W
All features

Other features

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

Logistics data

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

Technical details

Sustainability certificates:
ENERGY STAR

Packaging data

Package type: The type of product package e.g. box.
Box
Package weight: Weight of the packaged product.
2040 g
Package height: The distance from the top to the bottom of the packaging.
80 mm
Package depth: The distance from the front to the back of the packaging.
220 mm
Package width: The distance from one side of the packaging to the other.
205 mm
Manual:
Yes

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.
1.16 kg
Height: The measurement of the product from head to foot or from base to top.
64 mm
Depth: The distance from the front to the back of something.
130 mm
Width: The measurement or extent of something from side to side.
125 mm

Certificates

Certification:
CE, CB, TÜV, FCC, cTUVus, RCM
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
RoHS

Design

On/off switch: The button which is pressed to switch the device on or off.
Yes
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
Product colour: The colour e.g. red, blue, green, black, white.
Black

Performance

Bearing technology:
Sleeve
Silent mode:
Yes
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.
2.4
Supported motherboard form factors: Design of the supported motherboards.
Mini-ITX
80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
SFX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Fully-Modular
CPU power cable length:
400 mm
CPU power connector (4+4 pin):
Yes
PCI Express power cable length:
400 mm
PCI Express power connectors (6+2 pin):
4
Number of SATA power connectors:
6
Number of PATA power connectors:
3
Motherboard power cable length:
300 mm
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.
Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Efficiency:
92 %
Hold time:
16.8 ms
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Max output current (+5V):
22 A
Max output current (+12V):
50 A
Max output current (+3.3V):
22 A
Combined power (+5Vsb):
15 W
Combined power (-12V):
3.6 W
Combined power (+5V):
110 W
Combined power (+12V):
600 W
Combined power (+3.3V):
110 W
Power Factor Correction (PFC) type:
Active
Power factor:
0.99
Input current:
10
AC input frequency:
50 - 60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Peak power: This is the maximum power required by the device or peak music power.
650 W
Total power: The total power that is needed by the device, or the total power produced by the device.
600 W

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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Product comparison

The be quiet! SFX L Power 600 W power supply unit is compared with alternative models from the same brand, including compact SFX units and higher-capacity ATX power supplies. All products share a standard 20+4 pin ATX motherboard connector and serve PC building purposes, but they differ significantly in total power output, energy efficiency certification, physical form factor, and cooling system design.

⚙️ The table below compares the core characteristics: total power output, PSU form factor, 80 PLUS certification level, fan dimensions, and general specifications.

Parameterbe quiet! SFX L Power 600 WSFX POWER 3 450WSystem Power 11 650WPOWER ZONE 2 1000WPure Power 13 M 650WBN337 850 WPractical significance
Total power600 W450 W650 W1000 W650 W850 WDetermines the maximum electrical load and the class of PC components that can be powered safely.
Form factorSFXSFXATXATXATXATXSFX units are built for compact small-form-factor cases, whereas ATX units require standard mid-tower or larger chassis.
80 PLUS certificationGoldBronzeBronzePlatinumGoldPlatinumHigher certification tiers like Gold and Platinum ensure less wasted energy and reduced heat generation.
Cooling fan12 cm fan8 cm fan12 cm fan14 cm fan12 cm fan13.5 cm fanLarger fans help maintain optimal thermal dissipation and quieter operation under load.

◎ The suitability table below helps determine which product matches specific user requirements and system build scenarios.

Use caseRecommended productWhy
Compact small-form-factor (Mini-ITX) PC buildsbe quiet! SFX L Power 600 WCombines a space-saving SFX physical footprint with a strong 600 W output and 80 PLUS Gold efficiency.
Entry-level office or basic home computersbe quiet! SFX POWER 3 450WProvides reliable 450 W performance for standard systems with lower power demands.
Standard mid-range gaming or productivity PCsbe quiet! System Power 11 650W or Pure Power 13 M 650WDelivers 650 W in an ATX form factor suited for modern graphics cards and processors.
High-end workstations and extreme gaming rigsbe quiet! POWER ZONE 2 1000W or BN337 850 WOffers high capacity ranging from 850 W to 1000 W with 80 PLUS Platinum efficiency for demanding loads.

The primary advantage of the be quiet! SFX L Power 600 W is its balance of a compact SFX form factor with a robust 600 W capacity and 80 PLUS Gold efficiency. It is most suitable for users building a high-performance compact PC where standard ATX power supplies will not fit. Choose this model when you need reliable and quiet power in a space-saving layout, whereas larger systems with heavier power demands will benefit more from standard ATX alternatives.

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Stock data
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WH94 11 28.09.2026 Best delivery
115.49 € Best price
WH320 11 28.09.2026 Best delivery
128.49 €
WH357 10 28.09.2026 Best delivery
133.49 €
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Customer reviews

Customer questions

FAQ

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

The price is 115.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 54 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 28.09.2026 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 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: 80 plus certification, power supply unit (psu) form factor, purpose, 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 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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