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 | 6 |
CPU power connector (4+4 pin) | ![]() |
PCI Express power connectors (6+2 pin) | 2 |
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 | 1.56 kg |
Height | 86 mm |
Width | 150 mm |
Depth | 140 mm |
Energy management | |
Input current | 4 A |
Nominal power | 500 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) | 110 W |
Combined power (+12V) | 456 W |
Combined power (+5V) | 110 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) | 20 A |
Max output current (+12V1) | 24 A |
Total power | 500 W |
Packaging data | |
Package weight | 2.22 kg |
Package depth | 268 mm |
Package height | 195 mm |
Package width | 97 mm |
Manual | ![]() |
Package type | Box |
Certificates | |
80 PLUS certification | 80 PLUS Bronze |
Packaging content | |
Cables included | PCIe, SATA |
Other features | |
Screws included | ![]() |
Noise level (quiet mode, 50%) | 11.5 dB |
Noise level (full-load mode, 100%) | 24.4 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 | |
Certification | CE, CB, TÜV, RCM, CU |
Compatible products | Intel C6/C7 |
Purpose | PC |
Bearing technology | Sleeve |
ATX version | 2.51 |
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 | 14 kg |
Master (outer) case length | 215 mm |
Products per master (outer) case | 6 pc(s) |
Harmonized System (HS) code | 84733020 |
EAN | 4260052187227 |
Warranty | 3 years |
The be quiet! System Power 9 Semi 500W PSU offers renowned be quiet! reliability and quietness for price-conscious PC builders. This power supply provides stable and dependable power for your CPU and GPU, making it suitable for entry-level gaming systems and multimedia PCs. It features rock-solid stability with two strong 12V rails and DC-to-DC technology for tight voltage regulation, even under heavy cross-loading conditions, ensuring reliable operation and making it ready for the next generation of processors and graphics cards.
Equipped with a temperature-controlled 120mm fan, the System Power 9 500W delivers the low noise operation that be quiet! is famous for. The 80 PLUS Bronze certification is convincing evidence of this PSU’s efficient and power-saving operation, realizing an efficiency rating of up to 89%. It also comes with high-quality black sleeved cables that add a touch of class to any PC system and a complete suite of top safety features, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation.
Key Features- 500W Continuous Power
- 80 PLUS Bronze certified for up to 89% efficiency
- Semi-modular design with high-quality black sleeved cables
- Two PCIe connectors for powerful GPUs
- Equipped with a temperature-controlled 120mm fan for quiet operation
- DC-to-DC technology for tight voltage regulation under heavy cross-loading
- Two strong 12V rails
- Comprehensive protection features: OCP, OVP, OPP, OTP, UVP, and SCP
- Meets latest Intel C6/C7, ErP and Energy Star 6.1 guidelines
- Stand-by drain of less than 0.15 watts
- 3-year manufacturer’s warranty
- Product conception, design and quality control in Germany
- Power supply unit
- Modular cables
- Power cord
- Mounting screws
- User manual
Estimated delivery: 15.04 - 21.04
Today: 11:00 - 15:00
Estimated delivery: 15.04 - 21.04
Today: Closed
Estimated delivery: 15.04 - 21.04
Today: Closed
Estimated delivery: 15.04 - 21.04
Today: Closed
Estimated delivery: 15.04 - 21.04
Today: 10:00 - 14:00
Estimated delivery time: 15.04 - 21.04
Estimated delivery time: 16.04 - 21.04
Estimated delivery time: 15.04 - 20.04
Estimated delivery time: 16.04 - 21.04
Estimated delivery time: 16.04 - 20.04
Estimated delivery time: 16.04 - 20.04