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Antec’s new generation of Atom Bronze power supplies is crafted for quality, efficiency, and performance. Featuring 80 PLUS BRONZE certification, and a quiet 120 mm silent fan. The 120mm silent fan is ideal for quiet computing and is designed for longer life, guaranteeing hours of reliable operation. The Atom B550 utilizes Active PFC and provides efficiency during max and low loads – living up to the performance standards that we are known for. For safety, the CircuitShield suite of industrial-grade protections ensures that the power delivered to your system is safe and reliable in any environment. The Antec Atom B550 80PLUS Bronze ATX Power Supply is the power supply you won’t want to miss out on.
Model | ATOM B550 |
Capacity | 550w |
80 PLUS Rating | 80 PLUS Bronze |
Modular | Non-Modular |
Lighting | No |
Fan Size | 120mm |
ATX 24-pin Connectors | 1 |
EPS Connectors | 1 x 8-pin |
PCI-Express Connectors | 2 |
SATA Connectors | 5 |
PATA Connectors | 3 |
Floppy Connectors | 0 |
Dimensions | 150mm x 86mm x 140mm |
Warranty | 3 Years |

Manufacturer | |
Manufacturer's Website | Link * |
Product Website | N/A |
Warranty Information | |
Warranty Duration | 3 Years |
Antec Atom B Series 80 PLUS Bronze ATX PSU, 550w
- ATX Desktop PSU
- Power Capacity: 550w
- Efficiency Rating: Bronze
- Non-Modular Design
- 1 x EPS 4+4-Pin Connectors
- 2 x PCIe 6+2 Pin Connectors
- 5 x SATA Connectors
- 120mm Fan
- 3 Year Warranty
- Product Code: ATOM B550
- Availability:
Out Of Stock
Lead Times:
- In Stock with Progenix: Ready for collection/dispatch once payment clears
- In Stock: 0-2 working days until dispatched or ready for collection
- Out Of Stock: Contact us to see if this item will be restocked.
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R1,199