Power outages and noisy fans can ruin a high-end build, leaving you frustrated and worried about component safety. The be quiet! (BN338), 1000 W, 100 - 240 V, 50/60 Hz, 13/6.5 A, Power Supply delivers reliable, whisper-quiet power for demanding PCs, keeping everything cool and stable while you focus on performance.
Why Choose a be quiet! Power Supply
Many buyers hesitate over whether a PSU can handle future-proof components without wasting energy or generating noise. Common doubts include choosing the right wattage, efficiency rating, and connector types. This unit clears those concerns with 1000 W capacity, 80 PLUS Platinum efficiency, and native ATX 3.0 compliance, ensuring it powers the latest GPUs and CPUs while staying quiet and efficient.
Key Features of a 1000 W Power Supply
- Efficiency: 91.8 %. High efficiency means lower electricity bills and less heat.
- Power factor: 0.99. Near-perfect power usage reduces strain on your outlet.
- Total power: 1000 W. Sufficient headroom for top-tier gaming rigs and workstations.
- Peak power: 1070 W. Handles short power spikes without dropping voltage.
- Noise level: 28.9 dB. The Silent Wings fan keeps operation almost silent.
- Fan speed: 0-2100 RPM. Fan only spins when needed, staying silent at low loads.
- Weight: 1.85 kg. Light enough for easy installation yet solidly built.
- Dimensions: 86 mm × 150 mm × 160 mm. Fits standard ATX cases without space issues.
Usages of a 1000 W Power Supply
Ideal for gamers building 4-K rigs, creators running multiple GPUs, and professionals needing stable power for workstations; its ATX 3.0 and 12VHPWR support make it perfect for the newest PCIe 5.0 cards and future upgrades.
Benefits of be quiet! Power Supply
- Quiet operation: Whisper-low fan noise lets you work or game without distraction.
- Energy savings: Platinum efficiency cuts electricity costs over the unit’s life.
- Reliability: Japanese 105 °C capacitors ensure long-term stability.
- Future-proof: ATX 3.0 and 12VHPWR connectors ready for next-gen hardware.
- Clean build: Fully-modular, sleeved cables reduce clutter and improve airflow.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Under voltage |
| Efficiency |
91.8% |
| Hold time |
25.3 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.5 A |
| Max output current (+5V) |
25 A |
| Max output current (+12V) |
83.3 A |
| Max output current (+3.3V) |
25 A |
| Combined power (+5V) |
150 W |
| Combined power (+12V) |
999.6 W |
| Combined power (+3.3V) |
150 W |
| Power factor |
0.99 |
| Input current |
13/6.5 A |
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Peak power |
1070 W |
| Total power |
1000 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| CPU power cable length |
70 cm |
| PCI Express power cable length |
60 cm |
| PCI Express power connectors (16-pin) |
1 |
| PCI Express power connectors (6+2 pin) |
4 |
| EPS power connector (4+4 pin) |
Yes |
| EPS power connector (8-pin) |
Yes |
| Peripheral (Molex) power cable length |
1000,850 mm |
| Peripheral (Molex) power connectors (4-pin) |
0 |
| SATA power cable length |
550,700,850,1000 mm |
| Number of PATA power connectors |
2 |
| Number of SATA power connectors |
9 |
| Motherboard power cable length |
60 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
FDB |
| Noise level |
28.9 dB |
| EPS version |
2.92 |
| ATX version |
3.1 |
| Supported motherboard form factors |
ATX, micro ATX, Mini-ATX |
| 80 PLUS certification |
80 PLUS Platinum |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Fan speed |
0 - 2100 RPM |
| Number of fans |
1 fan(s) |
| Fan diameter |
13.5 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Operational conditions |
| Operating temperature (T-T) |
0 - 40 °C |
| Operating temperature (T-T) |
0 - 40 °C |
| Certificates |
| Compliance certificates |
RoHS, Federal Communications Commission (FCC), UKCA, WEEE, CE |
| Packaging content |
| Cable tie(s) included |
Yes |
| Cables included |
CPU, SATA |
| Weight & dimensions |
| Weight |
1.85 kg |
| Height |
86 mm |
| Depth |
160 mm |
| Width |
150 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
3.56 kg |
| Package height |
102 mm |
| Package depth |
328 mm |
| Package width |
248 mm |
| Technical details |
| Sustainability compliance |
Yes |
| Sustainability certificates |
Triman, ENERGY STAR, ErP |
