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Product information
From the manufacturer
About this product
Proven Reliability and Good Efficiency
Specially designed by be quiet! with the price-concious PC builder in mind: System Power B9 300W (bulk) offers renowned be quiet! performance and quietness and makes it possible for you to build cost-effective and reliable systems.
- Production-optimized bulk packaging
- Rock-solid stability with two strong 12V-rails
- 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
- 3-year manufacturer’s warranty
- Product conception, design and quality control in Germany
Product details
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| 80 PLUS certification | 80 PLUS |
|---|---|
| AC input frequency | 50 Hz |
| AC input voltage | 200 - 240 V |
| ATX version | 2.4 |
| Cables included | AC |
| Cabling type | Non-Modular |
| Combined power (+12V) | 276 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+3.3V) | 103 W |
| Combined power (+5V) | 103 W |
| Combined power (+5Vsb) | 12.5 W |
| Compliance certificates | RoHS |
| CPU P4 connector (4-pin) | 1 |
| CPU power cable length | 45 cm |
| Efficiency | 87% |
| Fan diameter | 12 cm |
| Hold time | 17 ms |
| Illumination | No |
| Input current | 2.5 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+12V1) | 18 A |
| Max output current (+12V2) | 14 A |
| Max output current (+3.3V) | 17 A |
| Max output current (+5V) | 15 A |
| Max output current (+5Vsb) | 2.5 A |
| Motherboard power cable length | 45 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of fans | 1 fan(s) |
| Number of PATA power connectors | 2 |
| Number of SATA power connectors | 4 |
| On/off switch | Yes |
| Power factor | 0.95 |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power supply unit (PSU) form factor | ATX |
| Product colour | Grey |
| Purpose | PC |
| SATA power cable length | 400 mm |
| Silent mode | Yes |
| Total power | 300 W |
Logistics
| EAN | 4260052185988 |
|---|---|
| Unit of measure | — |
| Weight | — |
| Dimensions | — |
| Dangerous goods | No |
Warranty
- 12-month warranty on everything we sell.
- Runs from the day your order is delivered.
- Faults under normal use are repaired, replaced or refunded.
Payment
- Visa and Mastercard, processed securely by Tyl by NatWest with 3D Secure.
- PayPal — your PayPal balance or a saved card or bank account.
- Clearpay, Klarna and Billie — pay later or in instalments, processed by Stripe.
- No surcharge on any payment method; refunds go back to the way you paid.
Spread the cost
- 4 interest-free payments of £7.44 with Clearpay. Learn more
- 3 payments of £9.92 at 0% interest with Klarna. Learn more
- Businesses: pay in 30 days on invoice with Billie. Learn more
Choose at checkout. 18+, T&Cs apply, credit subject to status.