Tired of your PC humming like a refrigerator when you try to focus? You want a system that stays quiet even when the GPU ramps up. The be quiet! System Power 11 750W delivers reliable, quiet power with a temperature-controlled fan and 80+ Bronze efficiency, so you can work or game without distraction. It protects against over-current, voltage spikes and overheating, giving you stable performance without the noise.
be quiet! System Power 11 750W 80+ Bronze Fully Wired ATX 3.1 PSU, Power Supply
This 750W ATX 3.1 power supply is built for budget-conscious builders who still expect solid protection and low noise. It is fully wired, fits standard ATX cases, and includes all the connectors needed for a mid-range gaming or workstation build.
Benefits
- Stable power shields your components from spikes and drops.
- Temperature-controlled fan stays silent at low loads.
- 90% efficiency lowers electricity cost.
- Single 12 V rail supplies consistent power to GPU and CPU.
- Cable ties and screws help you achieve tidy cable management.
- 100 000 h MTBF ensures years of trouble-free operation.
Features
- 750W continuous output, 80+ Bronze certification.
- ATX 3.1 compliance for latest CPUs.
- Temperature-controlled 12 cm fan, 0-2100 RPM.
- Rifle bearing for long fan life.
- Non-modular cabling, all essential connectors.
- 1 x 20+4 ATX, 1 x EPS 8-pin.
- 3 x PCIe 6+2, 1 x PCIe 12-pin.
- 6 SATA, 1 Molex, 1 CPU 4-pin.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage |
| Efficiency |
90% |
| Hold time |
17.34 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V1) |
62.5 A |
| Max output current (+3.3V) |
20 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
120 W |
| Combined power (+12V) |
750 W |
| Combined power (+3.3V) |
120 W |
| Number of +12V rail(s) |
1 |
| Power factor |
0.98 |
| Input current |
4 A |
| AC input frequency |
50 Hz |
| AC input voltage |
200 - 240 V |
| Total power |
750 W |
| Ports & interfaces |
| Cabling type |
Non-Modular |
| CPU power connector (4+4 pin) |
Yes |
| CPU P4 connector (4-pin) |
1 |
| PCI Express power connectors (12-pin) |
1 |
| PCI Express power connectors (6+2 pin) |
3 |
| EPS power connector (8-pin) |
Yes |
| Peripheral (Molex) power connectors (4-pin) |
1 |
| Number of SATA power connectors |
6 |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
Rifle |
| Noise level |
33.4 dB |
| EPS version |
2.92 |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Bronze |
| 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 |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Certificates |
| Compliance certificates |
CB, CE, RoHS, TÜV mark, UKCA, WEEE |
| Waste Electrical and Electronic Equipment (WEEE) compliance |
Yes |
| Weight & dimensions |
| Weight |
2.04 kg |
| Height |
140 mm |
| Depth |
86 mm |
| Width |
150 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
2.4 kg |
| Package height |
97 mm |
| Package depth |
268 mm |
| Package width |
195 mm |
| Technical details |
| Sustainability certificates |
ENERGY STAR, ErP |
| Other features |
| Cable ties included |
Yes |
| Screws included |
Yes |
