ASROCK PRO-850B Atx Power Supply 4711581491434 Pro 850W 3.1

( Brand: Asrock ), ( Manufacturer Part Number: PRO-850B ), ( Color: Multicolor ), ( Type: Computer Power Supply ), ( UPC: 711581491434 )

Review ASROCK Pro Series 850w Atx 3.1 Plus Bronze Power Supply Black

The ASRock 850W Pro-850B is a high-performance 80 Platinum certified power supply unit (PSU) designed for modern PC systems. This PSU comes with an ATX form factor, ensuring compatibility with most mid-tower and full-tower cases.

The Pro-850B delivers an impressive 850 watts of power, making it an excellent choice for power-hungry systems with multiple high-end graphics cards or processors. Its 80 Platinum certification signifies that it converts up to 90% of the input power into DC output power, reducing energy waste and increasing efficiency.

This PSU features a single 12V rail design, providing a stable and consistent power delivery to the components, which is essential for optimal system performance. It also includes a 120mm hydraulic bearing fan for quiet operation and long-term reliability. The fan starts spinning only when necessary, ensuring low noise levels under normal loads.

The Pro-850B comes with a wide range of connectors to cater to various system configurations. It includes 10 SATA power connectors, 5 PCIe power connectors, and 4 PCIe 6 2-pin connectors, providing ample power for multiple drives and high-end graphics cards.

The PSU's modular design allows users to install only the cables they need, reducing clutter and simplifying cable management within the case. Additionally, it is equipped with over-current protection, over-voltage protection, over-power protection, and short-circuit protection, ensuring the safety and longevity of both the PSU and the connected components.

The ASRock Pro-850B is a reliable and efficient power supply solution for advanced PC systems, delivering consistent power with minimal noise while maintaining a high level of energy efficiency.

The ASRock 711581491434 PRO-850B PRO is a 850-watt 80 Bronze certified power supply unit (PSU). Here are some pros and cons that might help you make a decision about whether or not to purchase this PSU:

1. High wattage: With a capacity of 850 watts, this PSU can handle the power requirements of most high-end systems, including those with multiple GPUs.

2. 80 Bronze certification: This means that the PSU is energy efficient and meets the minimum efficiency requirements set by the 80 program.

3. Modular design: This feature allows users to only connect the cables they need, reducing clutter and improving airflow inside the case.

4. Active PFC: This technology allows the PSU to deliver a stable voltage to the system, even when the power draw is fluctuating.

5. Overvoltage protection, overcurrent protection, short circuit protection, and over temperature protection: These safety features help protect the components in your system from damage.

1. 80 Bronze certification: While this is a pro, it is also a con for some users who might prefer a more efficient Gold or Platinum certified PSU.

2. Noisy operation: Some users have reported that this PSU can be noisy under load, especially when the fan speed is high.

3. Limited fan control: This PSU does not have fan control features, which might be a concern for users who want to keep the fan speed low for quiet operation.

The ASRock 711581491434 PRO-850B PRO is a reliable and capable power supply unit with a high wattage capacity and energy efficiency features. However, it does have some drawbacks, such as noisy operation and limited fan control. Ultimately, whether or not this PSU is right for you depends on your specific needs and preferences. If you need a high-wattage PSU with a modular design and energy efficiency features, this PSU could be a good option. However, if you are looking for a quieter PSU or one with more advanced fan control features, you might want to consider other options.

If you are looking for a reliable and capable 850-watt power supply unit with a modular design and energy efficiency features, the ASRock 711581491434 PRO-850B PRO could be a good option for you. However, if you are concerned about noise or want more advanced fan control features, you might want to consider other options, such as the EVGA 850W 80 Gold or the Corsair RM850x.

Details:

Color: Black. Protection: OCP SCP OVP UVP OTP OPP. Native 12V-2x6 Connector Dual Color Design. ATX31 PCIe51 Ready.

ASRock PRO-850B PRO Series 850W ATX 3.1 80 Plus Bronze Power Supply Black:: 850 W Compatible PLUS BRONZE Certified.

specifications powsuppy:

• brand: Asrock
• mpn: Pro-850b
• color: Multicolor
• type: Computer Power Supply
• upc: 711581491434

payments powsuppy:

• wallet: Paypal
• credit card: Mastercard
• other

offer powsuppy:

• sold: 0
• options: Ship-to-home
• quantity: 3
• availability: In Stock
• started: February 25, 2026

returns powsuppy:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping powsuppy:

• service: UPS Ground
• class: Standard
• carrier: UPS
• cost: $0.00
• type: Fixed
• transit: 9-15 Days

general powsuppy:

• Computers/Tablet's Networking > Computer Components Parts > Power Supplies
• condition: New

seller powsuppy:

• city: Lakewood, New Jersey
• rating: 98.5%
• # reviews: 221041

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