be quiet! SFX L 600W Power Supply
£96.30 inc VAT
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About This Item
- 600 W SFX-L power supply for compact PC builds
- 12 cm silent fan with 9.9 dB noise level in silent mode
- 80 PLUS Gold certified with up to 92% efficiency
- Fully modular cables with flat black design
- Supports Mini-ITX motherboards and multi-GPU setups
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be quiet! SFX L Power 600W | Compact High-Efficiency PSU
The be quiet! SFX L Power power supply unit 600 W 20+4 pin ATX Black delivers exceptional performance for mini ITX and compact gaming systems. This SFX-L form factor PSU combines whisper-quiet operation with 80 PLUS Gold efficiency, making it ideal for space-constrained builds where both power and silence matter.
| Metric | Spec |
|---|---|
| Form Factor | SFX-L |
| Total Power | 600 W |
| Efficiency | 92% (80 PLUS Gold) |
| Fan Size | 120 mm |
| Noise Level | 9.9 dB (silent mode) |
Whisper-quiet operation for compact systems
The SFX L Power features advanced temperature-controlled fan technology that keeps noise levels exceptionally low. In silent mode, the fan operates at just 9.9 dB, making it one of the quietest SFX power supplies available. This makes it perfect for HTPCs and compact gaming rigs where acoustic performance is crucial. The intelligent fan curve ensures cooling only when needed, maintaining optimal temperatures without unnecessary noise.
Gold-certified efficiency saves energy and money
With 80 PLUS Gold certification and up to 92% efficiency, this PSU significantly reduces wasted energy compared to standard units. The Active Power Factor Correction (PFC) maintains a power factor of 0.99, ensuring clean power delivery and lower electricity bills. For UK users, this efficiency translates to tangible cost savings over time, especially in systems that run for extended periods.
Modular design for clean, organized builds
The fully-modular cabling system allows you to connect only the cables you need, reducing clutter and improving airflow within your compact case. Premium black flat cables are included, making cable management straightforward even in tight spaces. This modularity is particularly valuable in mini ITX builds where every millimeter counts and clean aesthetics matter.
Versatile installation options
The included SFX-to-ATX adapter bracket makes this power supply remarkably flexible. It fits standard SFX cases but can also be installed in larger ATX cases with minimal effort. This versatility means you can use the same high-quality PSU across different system builds, whether you’re upgrading a compact gaming rig or building a new mini PC.
In the box
- be quiet! SFX L Power 600W PSU
- SFX-to-ATX adapter bracket
- Modular cables
- Mounting screws
- Cable ties
- User manual
Before you order
- Confirm your case supports SFX-L form factor (125mm x 130mm x 64mm)
- Verify your GPU requires 4x 6+2 pin PCIe connectors
- Check that your mini ITX motherboard has the required 20+4 pin ATX connector
- Ensure your system power requirements don’t exceed 600W continuous/650W peak
Buyer FAQs
Can this PSU fit in a standard ATX case?
How many PCIe connectors does it have?
What’s the noise level at full load?
Is this PSU suitable for high-end gaming systems?
Does it come with all necessary cables?
Summary & warranty
The be quiet! SFX L Power 600W represents excellent value for users building compact systems where silence, efficiency, and reliability are priorities. Its combination of 80 PLUS Gold efficiency, ultra-low noise operation, and versatile installation options makes it particularly well-suited for mini ITX gaming builds and HTPCs. Covered by the applicable manufacturer warranty.
| Weight | 2.05 kg |
|---|---|
| Certification | CE, CB, TÜV, FCC, cTUVus, RCM |
| Silent mode | Yes |
| Purpose | PC |
| ATX version | 2.4 |
| Bearing technology | Sleeve |
| Supported motherboard form factors | Mini-ITX |
| Product colour | Black |
| Fan diameter | 12 cm |
| On/off switch | Yes |
| Number of fans | 1 fan(s) |
| Total power | 600 W |
| Peak power | 650 W |
| AC input voltage | 100 – 240 V |
| AC input frequency | 50 – 60 Hz |
| Input current | 10 A |
| Power factor | 0.99 |
| Power Factor Correction PFC type | Active |
| Combined power +3.3V | 110 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 +5V | 22 A |
| Max output current -12V | 0.3 A |
| Max output current +5Vsb | 3 A |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Hold time | 16.8 ms |
| Efficiency | 92% |
| Motherboard power cable length | 30 cm |
| PCI Express power cable length | 40 cm |
| CPU power cable length | 40 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 6 |
| Number of PATA power connectors | 3 |
| PCI Express power connectors 6+2 pin | 4 |
| CPU power connector 4+4 pin | Yes |
| Cabling type | Fully-Modular |
| Width | 125 mm |
| Depth | 130 mm |
| Height | 64 mm |
| Weight | 1.16 kg |
| Package depth | 220 mm |
| Package width | 205 mm |
| Package height | 80 mm |
| Package type | Box |
| Package weight | 2.04 kg |
| Sustainability certificates | ENERGY STAR |
| Compliance certificates | RoHS |
| Master outer case width | 430 mm |
| Master outer case length | 430 mm |
| Master outer case height | 240 mm |
| Products per master outer case | 10 pc(s) |
| Master outer case gross weight | 21.5 kg |
| Screws included | Yes |
| Cable ties included | Yes |
| Noise level quiet mode 50 | 14.5 dB |
| Noise level silent mode | 9.9 dB |
| Noise level full-load mode 100 | 28.7 dB |
| Manual | Yes |
| Harmonized System HS code | 84733020 |
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