SFX Power 3 300W, the compact PSU from be quiet! that gives you more for your mini or media PC. It provides enough power to support powerful PCIe graphics cards while offering the ideal combination of power, quietness and reliability. That makes it the perfect choice for compact PC systems that perform beyond the ordinary.
Ports & interfaces | Motherboard power connector | 20+4 pin ATX |
 | Peripheral (Molex) power connectors (4-pin) | 2 |
| Motherboard power cable length | 350 mm |
| Number of SATA power connectors | 3 |
| SATA power cable length | 300,450,600 mm |
| Peripheral (Molex) power cable length | 300,450 mm |
| PCI Express power connectors (6+2 pin) | 1 |
| PCI Express power cable length | 400 mm |
| CPU P4 connector (4-pin) | 1 |
| CPU power cable length | 400 mm |
| Floppy drive power connector | 1 |
| Floppy disk drive cable length | 600 mm |
| Cabling type | Non-Modular |
Power | Total power | 300 W |
| AC input voltage | 100 - 240 V |
| Peak power | 350 W |
| AC input frequency | 50 - 60 Hz |
| Input current | 5/2 A |
| Maximum input current (@110V) | 5 A |
| Maximum input current (@220V) | 2 A |
| Power factor | 0.98 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 85 W |
| Combined power (+12V) | 300 W |
| Combined power (+5V) | 85 W |
| Max output current (+3.3V) | 16 A |
| Max output current (+12V1) | 25 A |
| Max output current (+5V) | 16 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Hold time | 26.8 ms |
| Efficiency | 88.1 % |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
Packaging data | Package width | 197 mm |
| Package depth | 75 mm |
| Package height | 207 mm |
| Package weight | 1190 g |
Logistics data | Shipping (inner) case length | 457 mm |
| Shipping (inner) case width | 265 mm |
| Shipping (inner) case height | 233 mm |
| Shipping (inner) case gross weight | 7910 g |
| Harmonized System (HS) code | 84733020 |
Performance | Purpose | PC |
| Power supply unit (PSU) form factor | SFX |
| 80 PLUS certification | 80 PLUS Bronze |
| ATX version | 3.42 |
| EPS version | 2.92 |
| Noise level | 29.4 dB |
| Bearing technology | Rifle |
| Mean time between failures (MTBF) | 100000 h |
| Safety | CE, CB, TÜV, CU |
Technical details | Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR, ErP, RoHS, WEEE |
Design | Product colour | Black |
| Cooling type | Active |
| Fan diameter | 80 mm |
| Number of fans | 1 fan(s) |
| On/off switch | Yes |
Weight & dimensions | Width | 125 mm |
| Depth | 100 mm |
| Height | 64 mm |
| Weight | 840 g |