| SPECIFICATIONS | |
| Brand | Antec |
| Series | Atom |
| Model | Atom B650 |
| Type | ATX |
| Maximum Power | 650W |
| 80 Plus Efficiency | 80 Plus Bronze |
| Cables | |
| Modular Design | Non-Modular |
| Connectors | 1x 24 Pin ATX |
| 1x 8 (4 + 4) Pin EPS12V | |
| 2x 8 (6 + 2) Pin PCIe | |
| 5x SATA | |
| 3x Molex | |
| Power | |
| Input | 200-240VAC,6.3A,50Hz |
| Power Output | 3.3V - 15A - 100W |
| 5V - 18A - 100W | |
| 12V - 44.5A -534W | |
| -12V - 0.3A - 3.6W | |
| 5Vsb - 2.5A - 12.5W | |
| Protection | OPP/OVP/UVP/SCP |
| General | |
| Colour | Black |
| Features | CircuitShield |
| Thermal Manager | |
| Active Power Factor Correction (APFC) | |
| Fan | 120 mm (Silent Fan) |
| Product Dimensions | 140mm x 150mm x 86mm |
| Package Contents | 1x Antec Atom B550 ATX Power Supply |
| 1x User Guide | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
| Manufacturer's Site | No |
|---|---|
| Product Link | No |
- Solid Budget PSU – Reliable, Quiet, and Efficient - Andries Johannes Stephanus, 22 May 2025
I picked up the Antec Atom B650 650W 80 Plus Bronze PSU to power my mid-range gaming build, and so far it’s been a rock-solid choice. It delivers clean, stable power to my Ryzen 5 and RX 7600 XT setup without any issues, even under full load.
The build quality feels sturdy, the cables are decent (although non-modular, so cable management takes a bit more work), and the unit runs surprisingly quiet. The 80 Plus Bronze rating is a nice bonus for efficiency at this price point.
For anyone building on a budget but still wanting dependable performance, this PSU does the job well. Just make sure your case has good airflow and space for the non-modular cable setup.
Great service as always from Wootware—fast delivery and well packaged.
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