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be quiet! SFX POWER 3 450W power supply unit 20+4 pin ATX Black
450W, ATX SFX12V V3.42, EPS 2.92, 1x 80mm (2366RPM), 80 PLUS Bronze
£69.46
£57.88
Availability:
In Stock
SKU
BN321
- Strong 12V rail with 450W of continuous power
- Two 6+2pin PCIe connectors for powerful GPUs
- High-quality temperature-controlled 80mm fan for quiet operation of max. 33.8dB(A)
- Sleeved or flat black cables up to 60cm
- 80 PLUS® Bronze efficiency (up to 89.3%)
- Meets the latest safety and efficiency requirements
- Standby draw less than 0.11 watts
- Product conception, design and quality control in Germany
| Cooling | |
|---|---|
| Fan diameter | 8 cm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Performance | |
| On/off switch | Yes |
| Power supply unit (PSU) form factor | SFX |
| 80 PLUS certification | 80 PLUS Bronze |
| Purpose | PC |
| ATX version | 3.42 |
| EPS version | 2.92 |
| Safety | CE, CB, TÜV, CU |
| Noise level | 33.8 dB |
| Mean time between failures (MTBF) | 100000 h |
| Bearing technology | Rifle |
| Harmonized System (HS) code | 84733020 |
| Design | |
| 80 PLUS certification | 80 PLUS Bronze |
| Safety | CE, CB, TÜV, CU |
| Product colour | Black |
| Fan diameter | 8 cm |
| On/off switch | Yes |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Power | |
| Total power | 450 W |
| Maximum input current (@220V) | 2.5 A |
| Peak power | 500 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Input current | 6/2.5 A |
| Power factor | 0.98 |
| Power Factor Correction (PFC) type | Active |
| Maximum input current (@110V) | 6 A |
| Combined power (+3.3V) | 85 W |
| Combined power (+12V) | 450 W |
| Combined power (+5V) | 85 W |
| Max output current (+3.3V) | 16 A |
| Max output current (+12V1) | 37.5 A |
| Max output current (+5V) | 16 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Power protection features | Over current, Over power, Over voltage, Short circuit, Under voltage |
| Hold time | 21 ms |
| Efficiency | 85.9% |
| Ports & interfaces | |
| Motherboard power cable length | 35 cm |
| SATA power cable length | 300,450,600 mm |
| Peripheral (Molex) power cable length | 300,450 mm |
| PCI Express power cable length | 55 cm |
| Floppy disk drive cable length | 60 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 3 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| PCI Express power connectors (6+2 pin) | 2 |
| Floppy drive power connector | 1 |
| Cabling type | Non-Modular |
| EPS power connector (4+4 pin) | Yes |
| Technical details | |
|---|---|
| Shipping (inner) case width | 26.5 cm |
| Shipping (inner) case length | 45.7 cm |
| Shipping (inner) case height | 23.3 cm |
| Products per shipping (inner) case | 6 pc(s) |
| Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR, ErP |
| Compliance certificates | RoHS, WEEE |
| Weight & dimensions | |
| Width | 125 mm |
| Depth | 100 mm |
| Height | 64 mm |
| Weight | 890 g |
| Packaging data | |
| Package depth | 75 mm |
| Package width | 197 mm |
| Package height | 207 mm |
| Package type | Box |
| Package weight | 1.24 kg |
| Certificates | |
| 80 PLUS certification | 80 PLUS Bronze |
| Safety | CE, CB, TÜV, CU |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Shipping (inner) case width | 26.5 cm |
| Shipping (inner) case length | 45.7 cm |
| Shipping (inner) case height | 23.3 cm |
| Products per shipping (inner) case | 6 pc(s) |
| Shipping (inner) case gross weight | 8.19 kg |
| Other features | |
| Harmonized System (HS) code | 84733020 |