Tired of noisy, inefficient power bricks that waste electricity and limit your upgrades? The be quiet! Straight Power 12, 1200 W, 110 - 240V, 50/60Hz, 15/7.5A, Power Supply delivers reliable, whisper-quiet power for high-end PCs, keeping your system cool and your energy bill low while supporting the latest GPUs and CPUs.
Why Choose a be quiet! Power Supply
Many buyers worry about choosing a PSU that can handle future graphics cards without becoming a loud, hot mess. They also fear over-paying for features they never use. This unit removes those doubts with ATX 3.0 compliance, dual 12VHPWR connectors for PCIe 5.0 GPUs, and a proven 80 PLUS Platinum rating, ensuring you get exactly the power you need now and later.
Key Features of a 1200 W Power Supply
- 80 PLUS Platinum certification: 92.4 % efficiency. Keeps electricity costs down and heat generation low.
- Power factor: 0.99. Guarantees stable power draw from the wall.
- Input voltage: 110 - 240 V, 50/60 Hz. Works worldwide without adapters.
- Input current: 15/7.5 A. Handles high load spikes safely.
- Noise level: 32.2 dB. Silent Wings fan keeps operation virtually inaudible.
- Fan speed: 0 - 2600 RPM. Fan only spins when needed, saving energy.
- Dimensions: 86 mm × 150 mm × 180 mm. Fits standard ATX cases easily.
- Weight: 2.04 kg. Sturdy yet easy to install.
- Fully-modular cabling: Up to 100 cm sleeved cables reduce clutter and improve airflow.
- Single 12 V rail: 1200 W continuous output, handling short-term spikes up to double power.
Usages of a 1200 W Power Supply
Ideal for gamers building 4-K rigs, creators running multiple GPUs, or professionals needing a rock-solid workstation, this PSU supplies enough clean power for the most demanding components while staying quiet and efficient.
Benefits of be quiet! Power Supply
- Quiet operation: Silent fan design means no distracting noise.
- Energy savings: High efficiency reduces electricity use and heat.
- Future-proof: ATX 3.0 and 12VHPWR connectors ready for next-gen cards.
- Comprehensive protection: Over-current, over-voltage, short-circuit and more keep your hardware safe.
- Long lifespan: Premium Japanese 105 °C capacitors and a 100 000 h MTBF ensure years of dependable service.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Efficiency |
92.4% |
| Hold time |
23 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.5 A |
| Max output current (+5V) |
25 A |
| Max output current (+12V1) |
100 A |
| Max output current (+3.3V) |
25 A |
| Combined power (+5V) |
150 W |
| Combined power (+12V) |
1200 W |
| Combined power (+3.3V) |
150 W |
| Power factor |
0.99 |
| Input current |
15/7.5 A |
| AC input frequency |
50/60 Hz |
| AC input voltage |
110 - 240 V |
| Peak power |
1270 W |
| Total power |
1200 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) |
2 |
| 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 |
| 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 |
32.2 dB |
| EPS version |
2.92 |
| ATX version |
3.0 |
| 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 - 2600 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 |
2.04 kg |
| Height |
86 mm |
| Depth |
180 mm |
| Width |
150 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
3.89 kg |
| Package height |
102 mm |
| Package depth |
328 mm |
| Package width |
248 mm |
| Technical details |
| Sustainability compliance |
Yes |
| Sustainability certificates |
Triman, ENERGY STAR, ErP |
