Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Sustainability certificates | ENERGY STAR |
| Ports & interfaces | |
| Floppy disk drive connector | ![]() |
| PCI Express connector | ![]() |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Peripheral (Molex) power connectors (4-pin) | 0 |
| EPS power connector (8-pin) | ![]() |
| ATX power connector (20+4 pin) | ![]() |
| PCI Express power connectors (8-pin) | 2 |
| CPU power connector (4+4 pin) | ![]() |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Non-Modular |
| Number of PATA power connectors | 2 |
| Motherboard power cable length | 45 cm |
| SATA power cable length | 450,600,750 mm |
| CPU power cable length | 6 cm |
| PCI Express power cable length | 50 cm |
| Weight & dimensions | |
| Weight | 1.93 kg |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 150 mm |
| Energy management | |
| Peak power | 450 W |
| Input current | 6 A |
| Nominal power | 400 W |
| Efficiency | 92% |
| Hold time | 29 ms |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power factor | 0.99 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 384 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 24 A |
| Max output current (+5V) | 15 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Max output current (+12V2) | 20 A |
| Max output current (+12V1) | 24 A |
| Total power | 400 W |
| Packaging data | |
| Package weight | 2.22 kg |
| Package depth | 240 mm |
| Package height | 96 mm |
| Package width | 210 mm |
| Manual | ![]() |
| Package type | Box |
| Certificates | |
| RoHS compliance | ![]() |
| 80 PLUS certification | 80 PLUS Gold |
| Other features | |
| Screws included | ![]() |
| Noise level (quiet mode, 50%) | 11.4 dB |
| Noise level (full-load mode, 100%) | 14.9 dB |
| Noise level (silent mode, <30%) | 10.5 dB |
| Cable ties included | ![]() |
| Design | |
| Product colour | Black |
| Illumination | ![]() |
| Number of fans | 1 fan(s) |
| Fan diameter | 12 cm |
| Performance | |
| Certification | ErP, WEEE |
| Mean time between failures (MTBF) | 100000 h |
| Safety | CE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CU, CCC |
| Form factor | ATX |
| Purpose | PC |
| Bearing technology | Rifle |
| Supported motherboard form factors | ATX |
| ATX version | 2.4 |
| Silent mode | ![]() |
| Power supply unit (PSU) form factor | ATX |
| Logistics data | |
| Master (outer) case height | 241 mm |
| Master (outer) case width | 326 mm |
| Master (outer) case gross weight | 14.5 kg |
| Master (outer) case length | 514 mm |
| Products per master (outer) case | 6 pc(s) |
| Harmonized System (HS) code | 84733020 |
| EAN | 4260052186336 |
| Warranty | 5 years |
The Be Quiet! Pure Power 11 provides 400 watts of continuous power, designed for quiet PC builds and office systems. It operates with an 80 PLUS Gold certification, achieving an efficiency level of up to 92 percent. This high efficiency rating results in reduced energy consumption and less waste heat generation. The unit is built on a platform that includes Active Power Factor Correction and provides stable output for components requiring consistent power delivery.
This power supply uses a 120mm fan that is optimized for quiet operation, maintaining low noise levels even under load. The ATX form factor ensures compatibility with most standard PC cases. It features a non-modular cabling design where all cables are permanently attached. A full suite of safety features is incorporated, including protections against over current, over power, over voltage, short circuit, and overheating to safeguard system components.
Key Features:- 400W continuous power output
- 80 PLUS Gold efficiency certification
- Standard ATX form factor
- Non-modular fixed cable design
- Features a quiet 120mm cooling fan
- Provides two 6+2 pin PCIe power connectors
- Includes five SATA power connectors
- Dimensions of 150 x 150 x 86 mm
Estimated delivery: 24.11
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- leaflet (English)


