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be quiet! System Power 9 | 400W CM
SKU
BN300
- Rock-solid stability with two strong 12V-rails
- Equipped with DC-to-DC technology for tight voltage regulation
- Two PCIe connectors for multi-GPU system configurations
- Temperature-controlled 120mm fan reduces system noise
- Low stand-by drain of less than 0.15 watts
- 80 PLUS® Bronze efficiency of up to 89%
- Semi-modular, high-quality sleeved and flat cables
- All-in-one cable with S-ATA, HDD and FDD connectors
- Complete suite of top safety features
- Meets latest Intel® C6/C7, ErP and Energy Star 6.1 guidelines
- Supports latest Intel® and AMD™ processors
- Product conception, design and quality control in Germany
| Purpose | PC |
|---|---|
| Total power | 400 W |
| Power supply unit (PSU) form factor | ATX |
| SKU | BN300 |
| EAN | 4260052187210 |
| Manufacturer | be quiet! |
| Availability | In Stock |
| PDF URLs |
View PDF |
VERY QUIET OPERATION
System Power 9 400W CM is equipped with a temperature-controlled 120mm fan. It provides you with the low noise operation that be quiet! is famous for, built into an entry-level system.
80 PLUS BRONZE CERTIFICATION
The 80 PLUS Bronze certification is convincing evidence of this PSU’s efficient and power saving operation. It is a remarkable achievement for this class of PSU, realizing an efficiency rating of up to 89%.
HIGH PERFORMANCE FOR YOUR SYSTEM
System Power 9 400W CM provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with two PCI express connectors for multi-GPU systems.
INNOVATIVE DC-TO-DC CONVERSION
The PSU is equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation and makes it ready for the next generation of processors and graphics cards.
SEMI-MODULAR CABLE MANAGEMENT
System Power 9 400W CM comes with full high-quality black sleeved cables that add a touch of class to any PC system. Thanks to the semi-modular cable management, cables that serve no purpose in the system are left out.
COMPREHENSIVE PROTECTION
Top component protection with a full suite of safety functions, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation.
Proven Reliability and Good Efficiency
Specially designed by be quiet! with the price-conscious PC builder in mind: System Power 9 400W CM offers renowned be quiet! performance and quietness and makes it possible to build cost-effective and reliable systems.
Specially designed by be quiet! with the price-conscious PC builder in mind: System Power 9 400W CM offers renowned be quiet! performance and quietness and makes it possible to build cost-effective and reliable systems.
| Cooling | |
|---|---|
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Design | |
| 80 PLUS certification | 80 PLUS Bronze |
| Certification | CE, CB, TÜV, RCM, CU |
| Product colour | Black |
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Power | |
| Total power | 400 W |
| AC input voltage | 200 - 240 V |
| AC input frequency | 50 Hz |
| Input current | 4 A |
| Power factor | 0.95 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 103 W |
| Combined power (+12V) | 384 W |
| Combined power (+5V) | 103 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 24 A |
| Max output current (+12V1) | 22 A |
| Max output current (+12V2) | 18 A |
| Max output current (+5V) | 15 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 | 17 ms |
| Efficiency | 89% |
| Ports & interfaces | |
| Motherboard power cable length | 45 cm |
| SATA power cable length | 550,670 mm |
| PCI Express power cable length | 50 cm |
| CPU power cable length | 60 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Number of PATA power connectors | 2 |
| PCI Express power connectors (6+2 pin) | 2 |
| CPU power connector (4+4 pin) | Yes |
| Floppy drive power connector | 1 |
| Cabling type | Semi-Modular |
| Performance | |
| Power supply unit (PSU) form factor | ATX |
| Noise level (quiet mode, 50%) | 9.7 dB |
| Noise level (silent mode, <30%) | 9.3 dB |
| Noise level (full-load mode, 100%) | 15 dB |
| 80 PLUS certification | 80 PLUS Bronze |
| Purpose | PC |
| ATX version | 2.51 |
| Certification | CE, CB, TÜV, RCM, CU |
| Bearing technology | Sleeve |
| Compatible products | Intel C6/C7 |
| Harmonized System (HS) code | 84733020 |
| Packaging content | |
| Cables included | PCIe, SATA |
| Screws included | Yes |
| Manual | Yes |
| Weight & dimensions | |
|---|---|
| Width | 150 mm |
| Depth | 140 mm |
| Height | 86 mm |
| Weight | 1.49 kg |
| Packaging data | |
| Cables included | PCIe, SATA |
| Screws included | Yes |
| Package depth | 268 mm |
| Package width | 97 mm |
| Package height | 195 mm |
| Package type | Box |
| Package weight | 2.11 kg |
| Manual | Yes |
| Technical details | |
| Sustainability certificates | ENERGY STAR |
| Compliance certificates | RoHS |
| Certificates | |
| 80 PLUS certification | 80 PLUS Bronze |
| Certification | CE, CB, TÜV, RCM, CU |
| Logistics data | |
| Master (outer) case width | 311 mm |
| Master (outer) case length | 215 mm |
| Master (outer) case height | 556 mm |
| Products per master (outer) case | 6 pc(s) |
| Master (outer) case gross weight | 13.4 kg |
| Harmonized System (HS) code | 84733020 |
| Other features | |
| Screws included | Yes |
| Noise level (quiet mode, 50%) | 9.7 dB |
| Noise level (silent mode, <30%) | 9.3 dB |
| Noise level (full-load mode, 100%) | 15 dB |
| Manual | Yes |
| Harmonized System (HS) code | 84733020 |
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| Purpose |
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| Power supply unit (PSU) form factor |
ATX
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ATX
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ATX
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