be quiet! System Power B9 power supply unit 350 W 20+4 pin ATX ATX Grey
£39.99
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- Production-optimized bulk packaging
- Rock-solid stability with two strong 12V-rails
- One PCI express connector for GPU card support
- Temperature-controlled 120mm fan reduces system noise
- Low stand-by drain of less than 0.13 watts
- Certified 80PLUS® efficiency (up to 87%)
- 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
Proven Reliability and Good Efficiency
Specially designed by be quiet! with the price-concious PC builder in mind: System Power B9 350W (bulk) offers renowned be quiet! performance and quietness and makes it possible for you to build cost-effective and reliable systems.
| Power | |
|---|---|
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Hold time | 17 ms |
| Efficiency | 87% |
| Max output current (+5Vsb) | 2.5 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5V) | 15 A |
| Max output current (+12V2) | 16 A |
| Max output current (+12V1) | 20 A |
| Max output current (+3.3V) | 19 A |
| Combined power (+5Vsb) | 12.5 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5V) | 103 W |
| Combined power (+12V) | 324 W |
| Combined power (+3.3V) | 103 W |
| Power Factor Correction (PFC) type | Active |
| Power factor | 0.95 |
| Input current | 3 A |
| AC input frequency | 50 Hz |
| AC input voltage | 200 - 240 V |
| Total power | 350 W |
| Ports & interfaces | |
|---|---|
| Cabling type | Non-Modular |
| CPU power cable length | 45 cm |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power cable length | 45 cm |
| PCI Express power connectors (6+2 pin) | 1 |
| SATA power cable length | 400 mm |
| Number of PATA power connectors | 2 |
| Number of SATA power connectors | 4 |
| Motherboard power cable length | 45 cm |
| Motherboard power connector | 20+4 pin ATX |
| Performance | |
|---|---|
| Silent mode | Yes |
| ATX version | 2.4 |
| 80 PLUS certification | 80 PLUS |
| Power supply unit (PSU) form factor | ATX |
| Purpose | PC |
| Design | |
|---|---|
| On/off switch | Yes |
| Illumination | No |
| Number of fans | 1 fan(s) |
| Fan diameter | 12 cm |
| Product colour | Grey |
| Packaging content | |
|---|---|
| Cables included | AC |
| Certificates | |
|---|---|
| Certification | CE, CB, TÜV, RCM, CU |
| Compliance certificates | RoHS |
| Weight & dimensions | |
|---|---|
| Weight | 1.6 kg |
| Height | 86 mm |
| Depth | 140 mm |
| Width | 150 mm |
| Technical details | |
|---|---|
| Sustainability certificates | ENERGY STAR |
| Logistics data | |
|---|---|
| Harmonized System (HS) code | 84733020 |
| Other features | |
|---|---|
| Noise level (full-load mode, 100%) | 24.9 dB |
| Noise level (quiet mode, 50%) | 12.3 dB |
| Noise level (silent mode, | 12.1 dB |
