Be Quiet!
be quiet! System Power 11 550W power supply unit
be quiet! System Power 11 550W power supply unit
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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.
| Total power | 550 W |
| AC input voltage | 200 - 240 V |
| AC input frequency | 50 Hz |
| Input current | 4 A |
| Power factor | 0.98 |
| Number of +12V rail(s) | 1 |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 550 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V1) | 45.83 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Hold time | 16.86 ms |
| Efficiency | 89.7% |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| PCI Express power connectors (6+2 pin) | 2 |
| PCI Express power connectors (12-pin) | 1 |
| CPU P4 connector (4-pin) | 1 |
| CPU power connector (4+4 pin) | Yes |
| Cabling type | Non-Modular |
| 80 PLUS certification | 80 PLUS Bronze |
| Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Noise level | 24.2 dB |
| Bearing technology | Rifle |
| Mean time between failures (MTBF) | 100000 h |
| Product colour | Black |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| Fan speed | 0 - 1800 RPM |
| On/off switch | Yes |
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
| Compliance certificates | CB, CE, RoHS, TÜV mark, UKCA, WEEE |
| Width | 150 mm |
| Depth | 86 mm |
| Height | 140 mm |
| Weight | 1.92 kg |
| Package width | 195 mm |
| Package depth | 268 mm |
| Package height | 97 mm |
| Package weight | 2.3 kg |
| Package type | Box |
| Sustainability certificates | ENERGY STAR, ErP |
| Shipping (inner) case length | 55.6 cm |
| Shipping (inner) case width | 31.1 cm |
| Shipping (inner) case height | 21.8 cm |
| Products per shipping (inner) case | 6 pc(s) |
| Shipping (inner) case gross weight | 14.9 kg |
| Screws included | Yes |
| Cable ties included | Yes |
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from 470 reviewsI have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
Let customers speak for us
from 470 reviewsI have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.