ASRock PRO-650B 650W ATX 3.1 80 PLUS Bronze

Product detailed description

The ASRock PRO-650B 650W is a reliable computer power supply designed for home, office and gaming systems. It delivers 650 W of total power, supports the modern ATX 3.1 standard and carries 80 PLUS Bronze efficiency certification. With quality components, effective cooling and comprehensive electrical protection mechanisms, it provides a practical solution for users seeking stable PC power delivery at an accessible price.

650 W of output power provides sufficient capacity for a wide range of computer configurations. The PSU is suitable for systems featuring modern multicore processors, dedicated graphics cards with compatible power requirements and multiple storage devices. Choosing the appropriate power supply always depends on the combined power consumption of the installed components and the required power connectors.

The ATX 3.1 standard addresses the requirements of modern computer platforms and contributes to stable power delivery under changing workloads. The power supply is also designed to handle short-duration power excursions that may occur when graphics processing workloads suddenly increase. ASRock specifies support for total power excursions of up to 200% of the rated output under the applicable test conditions.

80 PLUS Bronze certification confirms compliance with defined power supply efficiency requirements. More efficient electrical energy conversion helps reduce energy losses and the amount of waste heat generated during operation. This makes the power supply suitable for computers that are regularly used for extended periods.

The powerful +12V rail delivers a maximum current of 54.1 A and supplies power to demanding components, particularly the processor and graphics card. Stable electrical distribution is essential for reliable computer operation during everyday use and under heavier workloads.

A quiet 120 mm cooling fan provides active cooling for the internal power supply components. Its design focuses on efficient heat dissipation while limiting operating noise. The PSU does not include a switchable iCOOL mode or a specified complete fan-stop function, so it uses conventional active cooling.

Quality Taiwanese capacitors contribute to stable electrical characteristics and long-term power supply reliability. ASRock specifies a mean time between failures (MTBF) of 100,000 hours at an ambient temperature of 25 °C. This figure is a statistical reliability indicator rather than a guarantee of continuous operating time for an individual unit.

Six integrated protection mechanisms help protect the power supply and connected components against abnormal electrical conditions. OCP responds to excessive current, SCP to short circuits, OVP to overvoltage and UVP to undervoltage. OTP provides overtemperature protection, while OPP protects against excessive power loading.

Flat non-modular cabling uses permanently attached black cables that are easy to route inside a PC case. The flat cable profile can contribute to a cleaner installation and more organized cable management behind the motherboard tray. The non-modular design also eliminates the need to connect separate power cables to the PSU itself.

The connector configuration includes one 24-pin motherboard connector, one 4+4-pin EPS CPU connector and one 6+2-pin PCIe connector for a graphics card. Four SATA power connectors and two 4-pin Molex peripheral connectors are available for storage devices and other accessories. This model does not feature a native 16-pin PCIe 5.1 (12V-2x6) power connector.

Universal 100–240 V AC input and 50–60 Hz frequency support allow the power supply to operate across different electrical networks. Its standard ATX form factor ensures compatibility with a broad selection of PC cases. With a depth of only 140 mm, the PSU is also suitable for systems where additional clearance is needed for cable routing and other components.

The black finish and minimalist design allow the power supply to blend easily into different types of PC builds. It does not feature RGB lighting, instead focusing on functionality, efficiency and reliability. As a result, it is suitable not only for gaming computers but also for workstations and everyday home systems.

A three-year manufacturer warranty complements the design intended for long-term operation. The ASRock PRO-650B combines the modern ATX 3.1 standard, 80 PLUS Bronze certification, quality capacitors and a comprehensive set of protective features. It offers an accessible power supply solution for users seeking a balanced combination of performance, efficiency and reliability.

Key features

• Manufacturer: ASRock
• Model: PRO-650B
• Type: computer power supply
• Form factor: ATX
• Standard: ATX 3.1
• Total output: 650 W
• Efficiency certification: 80 PLUS Bronze
• +12V rail: 54.1 A
• Transient power excursion support: up to 200%
• Cooling: active
• Fan: 1× 120 mm
• iCOOL mode: no
• Capacitors: Taiwanese
• Cabling: non-modular, permanently attached, flat
• Motherboard power connector: 1× ATX 24-pin
• CPU power connector: 1× EPS 4+4-pin
• Graphics card power connector: 1× PCIe 6+2-pin
• PCIe 5.1 / 12V-2x6: no
• SATA connectors: 4×
• Molex connectors: 2× 4-pin
• OCP protection: overcurrent
• SCP protection: short circuit
• OVP protection: overvoltage
• UVP protection: undervoltage
• OTP protection: overtemperature
• OPP protection: overpower
• Input voltage: 100–240 V AC
• Input frequency: 50–60 Hz
• Input current: 10–5 A
• MTBF: 100,000 hours at 25 °C
• RGB lighting: no
• Color: black
• Dimensions: 140 × 150 × 86 mm
• Manufacturer warranty: 3 years
• Applications: home, office and gaming computers