Proven Reliability, Quiet Operation
System Power 11 550W has been built with value-oriented users in mind that do not want to pass on reliability and quietness. Elaborated features such as ATX 3.1 compatibility and a temperature-controlled fan underline the value System Power 11 550W offers even at entry-level.
- ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
- Temperature-controlled 120mm quality fan reduces system noise
- Rock-solid stability with a strong 12V-rail
- Tight voltage regulation using DC-to-DC technology
- One PCIe 5.1 12V-2x6 300W and 2 PCIe 6-2 connectors
- Dependable operation to support powerful GPUs
- Stand-by drain of less than 0.15 watts
- 80 PLUS® Bronze efficiency (up to 89.7%)
- Attractive black flat cables
- Complete suite of top safety features
- Product conception, design and quality control in Germany
General
| Summary | be quiet! System Power 11 550W. Total power: 550 W, AC input voltage: 200 - 240 V, AC input frequency: 50 Hz. Motherboard power connector: 20+4 pin ATX, Cabling type: Non-Modular. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product colour: Black, Cooling type: Active, Fan diameter: 12 cm. Compliance certificates: CB, CE, RoHS, TÜV mark, UKCA, WEEE |
| Unit Box Height | 0.196 |
| Unit Box Length | 0.28 |
| Unit Box Width | 0.099 |
Power
| AC input frequency | 50 Hz |
| AC input voltage | 200 - 240 V |
| Combined power (+12V) | 550 W |
| Combined power (+3.3V) | 120 W |
| Combined power (+5V) | 120 W |
| Combined power (+5Vsb) | 15 W |
| Combined power (-12V) | 3.6 W |
| Efficiency | 89.7 % |
| Hold time | 16.86 ms |
| Input current | 4 A |
| Max output current (+12V1) | 45.83 A |
| Max output current (+3.3V) | 20 A |
| Max output current (+5V) | 20 A |
| Max output current (+5Vsb) | 3 A |
| Max output current (-12V) | 0.3 A |
| Number of +12V rail(s) | 1 |
| Power factor | 0.98 |
| Power protection features | Over current/Over power/Over voltage/Overheating/Short circuit/Surge & inrush/Under voltage |
| Total power | 550 W |
Ports & interfaces
| Cabling type | Non-Modular |
| CPU P4 connector (4-pin) | 1 |
| CPU power connector (4+4 pin) | Yes |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| PCI Express power connectors (12-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 2 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
Performance
| 80 PLUS certification | 80 PLUS Bronze |
| ATX version | 3.1 |
| Bearing technology | Rifle |
| EPS version | 2.92 |
| Mean time between failures (MTBF) | 100000 h |
| Noise level | 24.2 dB |
| Power supply unit (PSU) form factor | ATX |
| Purpose | PC |
Design
| Cooling type | Active |
| Fan diameter | 120 mm |
| Fan speed | 0 - 1800 RPM |
| Number of fans | 1 fan(s) |
| On/off switch | Yes |
| Product colour | Black |
Certificates
| Compliance certificates | CB/CE/RoHS/TÜV mark/UKCA/WEEE |
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
Weight & dimensions
| Depth | 86 mm |
| Height | 140 mm |
| Weight | 1920 g |
| Width | 150 mm |
Packaging data
| Package depth | 268 mm |
| Package height | 97 mm |
| Package type | Box |
| Package weight | 2300 g |
| Package width | 195 mm |
Technical details
| Sustainability certificates | ENERGY STAR/ErP |
Logistics data
| Products per shipping (inner) case | 6 pc(s) |
| Shipping (inner) case gross weight | 14900 g |
| Shipping (inner) case height | 218 mm |
| Shipping (inner) case length | 556 mm |
| Shipping (inner) case width | 311 mm |
Other features
| Cable ties included | Yes |
| Screws included | Yes |
ELKO Logistics Data
| Product Net Weight | 1.92 kg |
| Unit Calculated Weight | 2.5 kg |
| Units per Pallet | 0 |
| Units per Shipping Box | 6 |
ELKO Internal Logistics Data
| Shipping Box Depth | 57.7000007629395 cm |
| Shipping Box Height | 21.7000007629395 cm |
| Shipping Box Weight | 15 kg |
| Shipping Box Width | 31.7000007629395 cm |
| Unit Calculated Volume | 0.006615 cubm |
