
850W Fully Modular Power Supply 80+ Gold Certified with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, 140mm RGB Low-Noise Smart Fan, 105℃-Rated Capacitors, Black
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AI Verdict
This 850W 80+ Gold fully modular ATX 3.1 PSU with a 140mm RGB fan and 105°C-rated capacitors is for new PC builds needing PCIe 5.1 power.
This 850W 80+ Gold PSU is a strong contender for new PC builds requiring ATX 3.1 and PCIe 5.1 compatibility, especially with its fully modular design and 105°C-rated capacitors. However, the lack of specific user reviews for the Auotac brand means real-world performance and long-term reliability are less documented than for established brands.
If you need more established reliability and extensive user feedback, look for 850W 80+ Gold PSUs from Tier A brands on PSU tier lists, even if it means a higher price point.
Regret Score™
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Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Delivers 92% efficiency, meeting 80+ Gold certification for reduced energy waste.
- Fully modular design with dragon-patterned cables allows for optimized airflow and reduced cable clutter.
- Supports ATX 3.1 and PCIe 5.1, accommodating modern high-performance GPUs with 2x transient power excursion resistance.
- Includes a dual-color 12V-2x6 PCI-E 5.1 cable with a yellow connector for proper seating indication.
- Features a 140mm low-noise fan with silent mode and ARGB lighting for customizable aesthetics.
- Built with 100% Japanese-made 105℃ electrolytic capacitors for enhanced reliability and durability.
Cons
- The 'dragon-patterned cables' might not appeal to all aesthetic preferences.
- Specific user feedback regarding fan noise levels under load is not available.
- The effectiveness of the ARGB lighting model in various case setups is not detailed.
- Long-term reliability and customer support for the Auotac brand are not established through user reviews.
Dimension Scores
The 80+ Gold certification indicates 92% efficiency, which is above average for power transmission.
It features a 140mm low-noise fan with a silent mode, which generally outperforms standard 120mm fans in quietness, but specific user reports on noise under load are unavailable.
The inclusion of 100% Japanese-made 105℃ electrolytic capacitors suggests a focus on high reliability and durability.
Being fully modular allows for maximum flexibility in cable routing, significantly reducing clutter and optimizing airflow.
Best For
- New PC builds featuring high-end graphics cards requiring ATX 3.1 and PCIe 5.1 compliance.
- Users prioritizing clean cable management due to the fully modular design.
- Builders looking for a power supply with customizable RGB lighting.
- Systems where component longevity is a priority, given the 105°C-rated capacitors.
Not Recommended For
- Budget builds where 850W and ATX 3.1/PCIe 5.1 compliance might be overkill.
- Users who prefer a completely silent system without any fan noise, as specific user reports are absent.
- Builds where a non-RGB aesthetic is desired, as the RGB fan is a prominent feature.
Watch Out For
- Specific user complaints for this Auotac model (ASIN B0FDX2GDMQ) are not readily available in public search results, making it difficult to anticipate common issues.
- Some lesser-known brands have been found to falsely claim 80 Plus Gold efficiency, as seen with the AresGame AGS850, so independent verification of efficiency might be a concern for some buyers.
- While the product boasts 105°C-rated Japanese capacitors, the overall build quality and long-term performance of the Auotac brand are not widely documented by user experiences.
- The 'dragon-patterned cables' are a unique aesthetic choice that might not integrate well with all build themes or preferences.
Full Specifications
| ASIN | B0FDX2GDMQ |
| Brand | Auotac |
| Wattage | 850 watts |
| Model Name | S-850MZ 850A-GR |
| Form Factor | ATX |
| Item Weight | 3.2 pounds |
| Manufacturer | Auotac |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Item model number | S-850MZ 850A-GR |
| Compatible Devices | Personal Computer |
| Product Dimensions | 6 x 6 x 3.7 inches |
| Item dimensions L x W x H | 6 x 6 x 3.7 inches |
What Buyers Say
Despite the Amazon listing indicating a 4.5/5 rating from 81 reviews and being an 'Amazon's Choice' product with '100+ bought in past month,' specific user reviews or detailed complaints for the Auotac 850W PSU (ASIN B0FDX2GDMQ) were not found in public search results. This makes it challenging to provide a summary based on actual user experiences. Generally, for an 850W 80+ Gold fully modular PSU, users typically praise ease of installation and quiet operation, while common complaints can include stiff cables or inconsistent RGB lighting. The absence of specific feedback for this model means potential buyers rely heavily on the manufacturer's specifications.
“Man, I really wanted to see some real talk about this Auotac PSU before I drop cash, but there's nothing out there! Specs look good, but you just never know until someone actually uses it for a while.”
Common Praise
- No specific user praise found for this model in search results.
- Based on specs, users would likely appreciate the fully modular design for clean builds.
- The inclusion of a 12V-2x6 PCIe 5.1 cable would be a plus for modern GPU compatibility.
- The 105°C-rated Japanese capacitors would be seen as a sign of quality and longevity.
Common Complaints
- No specific user complaints found for this model in search results.
- Potential concerns could arise if the 'dragon-patterned cables' are stiff or difficult to route.
- The RGB fan's noise profile under heavy load is unknown without user feedback.
- The long-term reliability of a newer/lesser-known brand might be a concern for some buyers.
Ownership Tips
- No specific ownership notes available from user reviews for this product.
- For a PSU, ownership notes often reveal actual noise levels under various loads.
- Cable flexibility and the true effectiveness of the 'dragon-patterned' aesthetic would be discovered over time.
- The consistency and brightness of the ARGB lighting would be noted after extended use.
- Any coil whine or unexpected shutdowns would typically surface after a few weeks of operation.
Frequently Asked Questions
Does this PSU come with the necessary cables for modern graphics cards?
Yes, it includes a dual-color 12V-2x6 PCI-E 5.1 cable specifically designed for modern high-end graphics cards, compliant with PCIe 5.1 standards.
Is the fan always on, or does it have a silent mode?
The 140mm low-noise fan features a silent mode, suggesting it can operate quietly or even stop under low loads, though specific thresholds are not provided.
What does 'fully modular' mean for cable management?
Fully modular means all cables detach from the power supply, allowing you to connect only the cables your system needs, which helps reduce clutter and improve airflow inside your PC case.
What is the significance of '105°C-Rated Capacitors'?
105°C-rated capacitors are designed to withstand higher temperatures, contributing to the power supply's overall reliability and durability, especially under demanding conditions.
Can I control the RGB lighting on this power supply?
Yes, the PSU features an ARGB lighting model, allowing you to adjust the light style according to your preferences.
Buying Guide
When you're picking a power supply, you're basically choosing the heart of your PC. It needs to provide enough stable power for all your components without overheating or making too much noise. You want to match the wattage to your system's needs, and pay attention to efficiency ratings like 80+ Gold, which tells you how much power is actually delivered versus wasted as heat. Modularity is also huge for keeping your build tidy and improving airflow.
Wattage (850W)
This is the maximum power your PSU can deliver. Too little, and your system won't run or will be unstable. Too much, and you're paying for unused capacity. 850W is suitable for high-end gaming PCs with powerful CPUs and GPUs.
80+ Gold Certified
This certification means the PSU is at least 87% efficient at 20% load, 90% at 50% load, and 87% at 100% load. Higher efficiency means less electricity wasted as heat, potentially lower energy bills, and a cooler-running system.
Fully Modular
This refers to the cables. A fully modular PSU lets you detach every cable, so you only use the ones you need. This makes building easier, reduces cable clutter inside your case, and improves airflow, which helps keep components cool.
ATX 3.1 & PCIe 5.1 Compliant
These are the latest standards for power supplies, especially important for new, power-hungry graphics cards. ATX 3.1 ensures stable power delivery and spike resistance, while PCIe 5.1 compliance means it can handle the transient power excursions (sudden power draws) of modern GPUs, often through a dedicated 12V-2x6 cable.
Alternatives
If this PSU doesn't fit, look for units with a higher 80+ efficiency rating (Platinum or Titanium) for even less wasted power, or a lower wattage (650W-750W) if your components aren't as demanding. Consider brands with extensive user reviews if real-world feedback is a priority for you.



