ASRock PRO-850B 850W PSU 80+ Bronze ATX 3.1
ASRock PRO-850B 850W ATX Power Supply
80 PLUS Bronze | ATX 3.1 | High-Capacity Value PSU
The ASRock PRO-850B is a high-capacity 850W power supply designed for users who need reliable and efficient power for gaming systems, workstations, and performance PC builds. Built to ATX 3.1 standards, it delivers stable output with modern GPU compatibility and essential protection features.
Key Features & Benefits
✔ 850W continuous power output for high-performance systems
✔ 80 PLUS Bronze certification for efficient energy usage
✔ ATX 3.1 compliant for modern platform support
✔ Native PCIe 12V-2x6 connector for next-generation GPU compatibility
✔ Dual-colour connector design for secure installation confirmation
✔ 120mm low-noise cooling fan for efficient thermal control
✔ Flat cable design for improved airflow and cleaner builds
✔ Supports up to 200% power excursion for transient loads
✔ Full protection suite: OCP, OVP, UVP, SCP, OTP, OPP
✔ Reliable Taiwanese capacitors for stable long-term operation
✔ 3-year manufacturer warranty for peace of mind
Core Features
High-Capacity Performance
Designed to support demanding gaming PCs and workstation builds requiring stable 850W power delivery.
Modern GPU Readiness
Includes a native PCIe 12V-2x6 connector for compatibility with newer graphics card power standards.
Efficient Cooling Design
A 120mm silent fan provides balanced airflow and quiet operation under typical loads.
Improved Cable Management
Flat cables help reduce clutter and improve internal airflow for cleaner system builds.
Technical Specifications
Model: ASRock PRO-850B
Power Output: 850W
Efficiency Rating: 80 PLUS Bronze
ATX Standard: ATX 3.1
Input Voltage: 100–240V~, 50–60Hz
12V Rail Output: 70.8A
Fan: 120mm cooling fan
Dimensions: 140 x 150 x 86 mm
Connectors:
24-pin ATX motherboard: 1
EPS CPU 4+4 pin: 1
PCIe 12V-2x6 (GPU): 1
PCIe 6+2 pin: 2
SATA: 4
Peripheral: 2
Cable Type: Flat
Capacitors: Taiwanese
Protection Features: OCP, OVP, UVP, SCP, OTP, OPP
Power Excursion: Up to 200%
Warranty: 3 Years
Why Choose the ASRock PRO-850B?
The PRO-850B delivers strong wattage capacity with essential modern features, making it suitable for high-performance gaming and productivity systems. It balances efficiency, reliability, and affordability in a straightforward design.
With ATX 3.1 support, PCIe 5.1 readiness, and a full protection suite, it provides dependable power delivery for demanding systems without unnecessary complexity or cost.