
The ASROCK PRO-650B PC power supply distributes electrical current to all connected hardware components in your computer case. This power supply uses the ATX 3.1 standard and delivers stable power to modern graphics cards and processors. This 80 PLUS Bronze certified power supply achieves high energy efficiency under normal operating loads. It accepts an AC input voltage in the range of 100–240V and a frequency of 50–60Hz. The fixed flat cables make installation easy.
When choosing a suitable PC power supply, the key parameter besides the form factor is its power output. This indicates the maximum number of watts the power supply can continuously supply to the components in the computer. It is a good idea to use a web calculator to calculate the optimal power output based on your chosen components.
This power supply meets the strict requirements of the 80 PLUS Bronze certification for reducing electrical energy loss. Efficient energy conversion helps to lower overall consumption and reduces the amount of waste heat emitted during high loads. The system uses active PFC for an optimal power factor and stable current distribution. The fixed cabling with a flat black profile simplifies wire management and promotes smooth airflow inside the computer case.
The design complies with the modern ATX 3.1 specification and meets the demands for seamless power delivery to current generations of hardware. The design handles short-term peaks in power consumption without unwanted voltage fluctuations. The PSU delivers a stable current on a single strong 12V rail with a current of 54.1A. Fixed cables with ATX 24-pin, CPU 4+4-pin, and PCI-E 6+2-pin connectors deliver power directly to the key nodes of the motherboard.
The safe operation of the power supply system is ensured by an integrated set of electronic protections against both external and internal influences. Integrated circuits protect components from dangerous overvoltage and prevent damage to expensive hardware in the event of an unexpected failure. The system includes OCP, SCP, OVP, UVP, OTP, and OPP protections for comprehensive coverage of risk conditions. The manufacturer provides a 36-month service cover for this device.
A built-in 120mm diameter fan takes care of efficiently dissipating excess heat from the internal parts. The fan's low noise level contributes to the quiet operation of the entire computer setup, even under prolonged load. The active cooling automatically adjusts the fan speed according to the current temperature and system load. The internal components with Taiwanese capacitors thus operate in a stable temperature range with an estimated Mean Time Between Failures (MTBF) of 100000 hours.
The 80 Plus certification was created to objectively evaluate the efficiency of computer power supplies. This gives users a simple and clear comparison between different models. On the European market (where 230V is used), there are six levels of 80 Plus certification with set requirements for PC power supplies. Higher energy efficiency primarily means lower energy consumption.
| PC power supply load | Efficiency at 20% load | Efficiency at 50% load | Efficiency at 100% load |
|---|---|---|---|
| 80 PLUS | 82% | 85% | 82% |
| 80 PLUS Bronze | 85% | 88% | 85% |
| 80 PLUS Silver | 87% | 90% | 87% |
| 80 PLUS Gold | 90% | 92% | 89% |
| 80 PLUS Platinum | 92% | 94% | 90% |
| 80 PLUS Titanium | 94% | 96% | 94% |
Specifications can be changed without notice. Images are for illustrative purposes only.