Antec ATOM B650 650W Power Supply

The Antec ATOM B650 is a non-modular power supply with 650W maximum power output, designed for entry-level to mid-range PC builds. With an 80 Plus Bronze certification, it offers a decent level of energy efficiency for typical consumer systems.

Power and Performance

• Maximum Power Output: 650W – Suitable for mid-range gaming PCs or general-purpose systems with moderate power demands.
• Efficiency Rating: 80 Plus Bronze – Ensures reasonable energy savings with effective power conversion.
• Efficiency: 85% – Offers good efficiency, meaning lower energy waste and reduced electricity bills.
• PFC (Power Factor Correction): Active PFC – Ensures the power supply is operating efficiently, minimizing energy losses.

Protection Features

• Over Voltage Protection (OVP): Yes – Protects the system from high voltages that could damage components.
• Over Power Protection (OPP): Yes – Safeguards the PSU from overload situations.
• Over Current Protection (OCP): No – Lacks protection against overcurrent, which may leave components vulnerable to power spikes.
• Over Temperature Protection (OTP): No – This unit does not feature temperature-based shutdown, so it’s crucial to ensure good airflow in your case.
• Short Circuit Protection (SCP): Yes – Automatically shuts off power if a short circuit is detected to prevent further damage.
• Under Voltage Protection (UVP): Yes – Prevents the PSU from operating at low voltages, ensuring stable performance.

Connectors and Ports

• ATX Main Connector: 1 x 24-pin – Standard connector for motherboards.
• EPS Connector: 1 x 8-pin (4+4) – Essential for CPU power, compatible with most motherboards.
• PCIe Connectors: 2 x 6+2-pin PCIe – Sufficient for a dual-GPU setup or a single high-performance graphics card.
• SATA Power Connectors: 5 – Offers enough power connectors for several storage devices.
• 4-Pin Peripheral Connectors: None – Does not provide 4-pin connectors, which might be needed for older peripherals.
• Floppy Connectors: Unmentioned – There is no information on this legacy connector.

Cooling and Fan

• Fan Size: 120mm – A typical fan size for cooling the PSU during operation.
• Zero RPM Fan Mode: No – The fan runs continuously and does not feature a zero RPM mode for quieter operation under light loads.
• Fan Bearing: Unmentioned – No information on the type of bearing used, but this can affect fan noise and durability.

Physical Attributes

• Form Factor: ATX – Standard form factor, ensuring compatibility with most desktop cases.
• Dimensions: 150 x 140 x 86mm – Fits into most ATX-compatible cases, but make sure to check for clearance.
• Color: Black – A neutral color that blends well with most PC builds.

Warranty

• 5-Year Warranty – Ensures reliability and peace of mind with long-term product support.