Tired of a noisy PC that drowns out your focus? The be quiet! System Power 11 750W 80+ Bronze Fully Wired ATX 3.1 PSU, Power Supply gives you a reliable, quiet power source for gaming or workstations, keeping components safe while the fan stays silent at low loads.
be quiet! Power Supply
Many buyers worry about choosing a PSU that either lacks enough wattage or makes the case roar. They also fear complex modular cables and insufficient protection. This unit delivers a solid 750W, ATX 3.1 compliance and a temperature-controlled fan, removing those doubts and providing stable, quiet power without extra hassle.
Key Features of a 750W Power Supply
- Continuous output: 750W. Provides ample power for mid-range builds and future upgrades.
- Efficiency rating: 80+ Bronze. Saves electricity and reduces heat generation.
- Fan size: 12 cm. Small footprint fits most cases while delivering effective cooling.
- Fan speed range: 0-2100 RPM. Runs silently at low demand and speeds up only when needed.
- Rail configuration: Single 12 V rail. Ensures consistent voltage for GPU and CPU.
- MTBF: 100 000 h. Guarantees long-term reliability and peace of mind.
- Dimensions (HxDxW): 140 mm × 86 mm × 150 mm. Fits standard ATX cases without space issues.
- Weight: 2.04 kg. Light enough for easy installation yet sturdy.
Usages of a 750W Power Supply
Ideal for budget-conscious gamers, content creators and workstation builders who need dependable power for a single high-end GPU, multiple drives and modern CPUs, without the complexity of modular cabling.
Benefits of be quiet! Power Supply
- Quiet operation: Temperature-controlled fan stays silent during everyday tasks.
- Energy savings: 90 % efficiency lowers your electricity bill.
- Component safety: Full suite of protections shields against spikes and overloads.
- Simple setup: Non-modular design includes all essential connectors for quick builds.
- Longevity: Rifle bearing fan and high MTBF ensure years of trouble-free use.
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 |
