Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Sustainability certificates | ENERGY STAR |
| Ports & interfaces | |
| Motherboard power connector | 20+4 pin ATX |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 10 |
| CPU power connector (4+4 pin) | ![]() |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Semi-Modular |
| Number of PATA power connectors | 2 |
| Motherboard power cable length | 55 cm |
| SATA power cable length | 550,670 mm |
| CPU power cable length | 60 cm |
| PCI Express power cable length | 50 cm |
| Weight & dimensions | |
| Weight | 1.66 kg |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |
| Energy management | |
| Input current | 6 A |
| Nominal power | 600 W |
| Efficiency | 89% |
| Hold time | 17 ms |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power factor | 0.95 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 576 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 24 A |
| Max output current (+5V) | 15 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| AC input frequency | 50 Hz |
| AC input voltage | 200 - 240 V |
| Max output current (+12V2) | 22 A |
| Max output current (+12V1) | 28 A |
| Total power | 600 W |
| Packaging data | |
| Package weight | 2.42 kg |
| Package depth | 268 mm |
| Package height | 195 mm |
| Package width | 97 mm |
| Manual | ![]() |
| Package type | Box |
| Certificates | |
| Certification | CE, CB, TÜV, RCM, CU |
| 80 PLUS certification | 80 PLUS Bronze |
| Compliance certificates | RoHS |
| Packaging content | |
| Cables included | PCIe, SATA |
| Other features | |
| Screws included | ![]() |
| Noise level (quiet mode, 50%) | 11.5 dB |
| Noise level (full-load mode, 100%) | 28.1 dB |
| Noise level (silent mode, <30%) | 9.7 dB |
| Design | |
| Product colour | Black |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Performance | |
| Compatible products | Intel C6/C7 |
| Purpose | PC |
| Bearing technology | Sleeve |
| ATX version | 2.51 |
| EPS version | 2.92 |
| Power supply unit (PSU) form factor | ATX |
| Logistics data | |
| Master (outer) case height | 556 mm |
| Master (outer) case width | 311 mm |
| Master (outer) case gross weight | 15.2 kg |
| Master (outer) case length | 215 mm |
| Products per master (outer) case | 6 pc(s) |
| Harmonized System (HS) code | 84733020 |
| EAN | 4260052187234 |
| Warranty | 3 years |
Experience the perfect blend of reliability and efficiency with the be quiet! System Power 9 Semi 600W power supply. Designed for price-conscious PC builders, this unit delivers exceptional stability powered by dual 12V-rails and advanced DC-to-DC technology. With 80 PLUS Bronze certification, it guarantees energy efficiency of up to 89%, making it an eco-friendly choice for your gaming rig or workstation. The 120mm, temperature-controlled fan ensures optimal cooling while operating quietly, providing you with a peaceful computing experience.
The System Power 9 is equipped with all essential safety features, including overcurrent, overvoltage, and short-circuit protections, ensuring the safety of your valuable components. With four PCIe connectors, it supports high-performance graphics cards, making it a versatile option for any build. The attractive black sleeved cables offer not only a neater appearance but also improved airflow, which contributes to the overall cooling efficiency of your system.
Key Features- Wattage Output: 600W
- Form Factor: ATX
- Modular Type: Semi-Modular
- 80 PLUS Certification Level: Bronze
- Cooling Type: 120mm temperature-controlled fan
- Connectors: 1x 24-pin, 4x PCIe, multiple SATA
- Voltage Compatibility: 100–240V input, active PFC
- Protection Features: OCP, OVP, SCP, OTP, UVP
- Noise Level: Silent mode operation
- Build Quality: High-quality Japanese capacitors
- Warranty Length: 3 years
- Power supply unit
- Modular cables
- Power cord
- Mounting screws
- User manual
- Cable ties
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- leaflet (English)

