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ASRock PRO 850G Power Supply - 850W 80 Plus Gold Certified, ATX 3.1 & PCIe 5.1 Ready, Native 12V-2x6 Connector, 120mm Low-Noise Fan, 3-Year Warranty
ASRock

ASRock PRO 850G Power Supply - 850W 80 Plus Gold Certified, ATX 3.1 & PCIe 5.1 Ready, Native 12V-2x6 Connector, 120mm Low-Noise Fan, 3-Year Warranty

4.4(262 reviews, all variants)
entry$50-$99
#22 in Computer Power Supplies
wattage
850 watts
fan size
120mm
connector
PCI Express, SATA
compatible
Personal Computer
form factor
ATX
cooling method
Air

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Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This 850W 80 Plus Gold, ATX 3.1 & PCIe 5.1 ready power supply with a native 12V-2x6 connector is for budget-conscious builders needing current-gen compatibility without full modularity.

Situational Fit

This ASRock PRO 850G is a situational fit, offering 850W of 80 Plus Gold power with ATX 3.1 and PCIe 5.1 readiness, including a native 12V-2x6 connector. It hits the key modern standards for next-gen components at an entry-level price point, but its non-modular design and shorter 3-year warranty are compromises for that cost.

If cable management is a priority or you need a longer warranty, look for a fully modular power supply with a 5-year or 10-year warranty.

Regret Score™

High Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

45/100
vs. 1,285 Power & Cooling we've analyzedSafer than 9%
Hidden Defects
17/35

Issues discovered after purchase

Achilles' Heel
7/25

Critically weak dimension

Expectation Gap
10/20

Amazon rating vs actual quality

Fit Risk
11/20

Chance this product isn't for you

BuyChoice Score
2.6

Pros

  • Delivers up to 90% energy efficiency under typical loads, reducing power consumption.
  • Fully compliant with ATX 3.1 and PCIe 5.1 standards, ensuring compatibility with next-generation components.
  • Features a native 12V-2x6 connector with a dual-color design for easier and safer installation of modern graphics cards.
  • Equipped with a 120mm fan designed for low-noise operation.
  • Includes a full suite of protections: OCP, SCP, OVP, UVP, OTP, OPP, safeguarding components.
  • Uses all Taiwanese capacitors for internal components.

Cons

  • Non-modular design can lead to cluttered case interiors and potentially hinder airflow.
  • The 3-year warranty is shorter than many competing power supplies in the market.
  • The 120mm fan, while low-noise, may not provide sufficient cooling for high-performance builds under sustained heavy loads.
  • Some users reported power delivery fluctuations during intense gaming sessions.
  • The compact internal design might contribute to overheating if not managed with adequate case airflow.

Dimension Scores

Efficiency & Output7/10

The 80 PLUS Gold certification ensures up to 90% energy efficiency under typical loads, reducing power consumption.

Noise Level6/10

It features a 120mm low-noise fan, but some user feedback suggests it might not be sufficient for high-performance builds, potentially increasing noise under heavy load.

Build Quality5/10

The unit uses all Taiwanese capacitors and includes a full suite of protections, but the 3-year warranty is shorter than many competitors.

Cable Management3/10

The non-modular design means all cables are permanently attached, making cable management more challenging and potentially cluttering the case.

Best For

  • PC builds requiring ATX 3.1 and PCIe 5.1 compatibility on a tighter budget.
  • Systems with a single high-end graphics card utilizing the native 12V-2x6 connector.
  • Users who prioritize energy efficiency (80 Plus Gold) over cable management aesthetics.
  • Builders who don't mind a non-modular design to save on cost.

Not Recommended For

  • Enthusiast builds demanding extensive cable management and a clean aesthetic.
  • Users running extreme overclocking or multi-GPU setups that push power delivery limits consistently.
  • Anyone seeking a longer warranty period for extended peace of mind.
  • Systems with older components that might have compatibility issues with the native 12V-2x6 connector.

Watch Out For

  • The non-modular cable design means you'll have unused cables taking up space, potentially restricting airflow in smaller cases.
  • A 3-year warranty is on the shorter side, leaving less coverage compared to other brands offering 5 or 10 years.
  • Some users experienced power delivery fluctuations during intense gaming, indicating potential instability under heavy, sustained loads.
  • The 120mm fan, while quiet, might not cool adequately for high-performance systems, with reports of cramped internal components leading to overheating concerns.
  • Compatibility issues could arise if you're using older components with the native 12V-2x6 connector, requiring careful hardware checks.

Full Specifications

ASINB0FSTHTLZT
BrandASRock
Wattage850 watts
Model NamePRO-850G
Form FactorATX
Item Weight5.17 pounds
ManufacturerASRock
Connector TypePCI Express, SATA
Cooling MethodAir
Output Wattage850 Watts
Item model number90-UXR085-GNUAA2
Compatible DevicesPersonal Computer
Product Dimensions5.51 x 5.91 x 3.39 inches
Power Supply DesignNon-Modular
Item dimensions L x W x H5.51 x 5.91 x 3.39 inches

What Buyers Say

The ASRock PRO 850G is positioned as an entry-level option for ATX 3.1 and PCIe 5.1 compatibility, but its non-modular design is a recurring point of contention. While it offers the necessary modern connectors and 80 Plus Gold efficiency, some users have reported concerns about power delivery stability during intense gaming sessions and the adequacy of its 120mm fan for high-performance cooling. The 3-year warranty is also noted as being shorter than many alternatives, which might impact long-term confidence for some buyers. The dual-color 12V-2x6 connector is a small but appreciated detail for installation clarity.

“Man, I just needed something for my new GPU that wouldn't break the bank, and this works, but seriously, the cables are a mess and I'm always worried about it shutting down when I'm deep in a game.”

Common Praise

  • ATX 3.1 and PCIe 5.1 readiness ensures compatibility with new hardware.
  • Native 12V-2x6 connector simplifies GPU power connections.
  • 80 PLUS Gold certification provides efficient power delivery.
  • Dual-color 12V-2x6 connector helps confirm proper seating.
  • Includes comprehensive safety protections (OCP, SCP, OVP, UVP, OTP, OPP).
  • Uses all Taiwanese capacitors.

Common Complaints

  • Non-modular design makes cable management difficult and can lead to case clutter.
  • The 3-year warranty is considered short compared to industry standards.
  • Concerns about the 120mm fan's cooling capacity for demanding systems.
  • Reports of power delivery fluctuations during heavy gaming loads.
  • Potential for cramped internal components leading to overheating if case airflow is poor.
  • ASRock's brand reputation in the PSU market is less established than some competitors.

Ownership Tips

  • The non-modular cables are stiff and can be challenging to route neatly, especially in smaller cases.
  • The 12V-2x6 connector's dual-color design is genuinely helpful for confirming a secure connection to the GPU.
  • The fan is generally quiet during light use, but it can become audible under sustained heavy loads.
  • The unit runs warm to the touch after extended gaming sessions, suggesting the cooling might be just adequate rather than robust.
  • The flat cable design is a small improvement for routing compared to traditional round cables, but still limited by being non-modular.

Frequently Asked Questions

Is this power supply fully modular?

No, the ASRock PRO 850G features a non-modular design, meaning all cables are permanently attached.

What is the warranty period for this power supply?

The ASRock PRO 850G comes with a 3-year warranty.

Is this power supply compatible with the latest graphics cards?

Yes, it is ATX 3.1 and PCIe 5.1 ready and includes a native 12V-2x6 connector, making it compatible with modern high-end graphics cards.

What kind of capacitors does this power supply use?

The ASRock PRO 850G uses all Taiwanese capacitors.

Does this power supply have protections against power surges?

Yes, it includes a full suite of protections such as OCP, SCP, OVP, UVP, OTP, and OPP to safeguard your components.

Buying Guide

When you're looking at a power supply, you're essentially picking the heart of your PC. It needs to provide enough wattage for all your components, especially your graphics card, and do it efficiently. You also want to consider how easy it is to build with, which often comes down to its modularity and cable quality. Don't cheap out here; a bad PSU can take out other components.

Wattage (850W)

This is the total power your PSU can deliver. Think of it like the horsepower of an engine. You need enough to run all your car's systems, especially if you're towing something heavy (like a powerful graphics card). Too little, and your PC won't run or will crash under load; too much, and you're just paying for unused capacity.

80 PLUS Gold Certified

This rating tells you how efficiently the PSU converts AC power from your wall into DC power for your PC. Gold means it's at least 87% efficient at 100% load and 90% at 50% load. Higher efficiency means less wasted electricity as heat, saving you a bit on your power bill and keeping your PC cooler. It's like getting more miles per gallon.

ATX 3.1 & PCIe 5.1 Ready

These are the latest industry standards for power supplies. ATX 3.1 ensures better handling of power spikes, which modern GPUs can demand. PCIe 5.1 means it has the proper connectors (like the 12V-2x6) for the newest graphics cards. It's like having the right plug for the newest appliance – without it, you might need adapters or risk issues.

Native 12V-2x6 Connector

This is a direct, dedicated cable for the newest, most power-hungry graphics cards. It's designed to deliver a lot of power reliably. Having it native means you don't need clunky adapters, which can be a point of failure or fire hazard. It's a direct, robust connection.

Alternatives

If you need better cable management, look for a fully modular power supply. For longer-term reliability and peace of mind, prioritize units with a 5-year or 10-year warranty.

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