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The product's shade and actual color may differ from what is shown in the picture, as the images are for illustrative purposes. The product description is general and may not include all the product's features.
Akyga AK-B1-550 power supply unit 550 W 20+4 pin ATX ATX Grey
31,40 €
31,35 €
488867 AK-B1-550
5901720130341
2026-08-04
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Product is made of high quality components. The power supply has a 3x SATA connectors, 2x MOLEX connectors, mini-MOLEX connector, P4 4-pin connector, PCI-E 6-pin connector and an universal 20+4-pin motherboard connector. Supports ATX 12V 2.0 specifications, so it can be used with current and next generation of platforms with multi-core processors. Efficient, quiet fan with automatic speed control and a diameter of 120 mm ensures effective cooling. The power supply has a manual switch that allows the user to safely cut off power without having to disconnect the cord from the network. High efficiency above 70% allows effective supplying and so the stable operation of the power supply affects the reliability of all components of the computer.
An important aspect is the presence of several important protectors (OVP, OCP, OPP, OTP, SCP) and PFC filter that protects and prevents motherboard, processor and other parts from damage and stabilize the operation of the power supply so that it works without any unwanted interference.
Power | |
| Efficiency | 70% |
| Input current | 5 A |
| Peak power | 550 W |
| Power protection features | Over current, Overload, Over voltage, Overheating, Short circuit |
| Combined power (+3.3V) | 280 W |
| Combined power (+12V) | 288 W |
| Combined power (+5V) | 280 W |
| Combined power (-12V) | 18.5 W |
| Combined power (+5Vsb) | 18.5 W |
| Max output current (+3.3V) | 33 A |
| Max output current (+12V) | 24 A |
| Max output current (+5V) | 36 A |
| Max output current (+5Vsb) | 2.5 A |
| Max output current (-12V) | 0.5 A |
| AC input voltage | 230 V |
| Total power | 550 W |
Performance | |
| Mean time between failures (MTBF) | 100000 h |
| ATX version | 2.31 |
| Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| Supported motherboard form factors | ATX |
Design | |
| Product colour | Grey |
| Number of fans | 1 fan(s) |
| Fan diameter | 12 cm |
| Fan location | Top |
| Cooling type | Active |
| On/off switch | Yes |
Ports & interfaces | |
| Number of SATA power connectors | 3 |
| PCI Express power connectors (6-pin) | 1 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU P4 connector (4-pin) | 1 |
| Motherboard power connector | 20+4 pin ATX |
| Cabling type | Non-Modular |
| SATA power cable length | 300 mm |
| Peripheral (Molex) power cable length | 300 mm |
| CPU power cable length | 45 cm |
Operational conditions | |
| Operating temperature (T-T) | 5 - 50 °C |
Weight & dimensions | |
| Weight | 1.04 kg |
| Width | 150 mm |
| Depth | 140 mm |
| Height | 85 mm |
Packaging data | |
| Package weight | 1.12 kg |
| Manual | Yes |
| Package type | Box |
| Package height | 95 mm |
| Package width | 160 mm |
| Package depth | 220 mm |
Other features | |
| Warranty card | Yes |
Logistics data | |
| Country of origin | China |
Certificates | |
| Certification | CE, REACH |
| Compliance certificates | RoHS |