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Second nano3 s psu fails; apple adapters in use

Second Power Supply Unit Failure Sparks User Outcry | Equipment Troubles Continue

By

Jan Novak

Mar 9, 2026, 09:55 PM

2 minutes reading time

Apple 96W adapter with iPhone charging cable being used for Nano3S PSU

A second nano3S PSU has reportedly failed, causing unrest among users. As many miners rely on specialized power supplies for optimal performance, incidents like these raise concerns about product reliability and overall expectations.

Context of the Issue

The ongoing issues with power supplies plague a number of users, many of whom have experienced multiple failures. One user mentioned, "Same sh@t with nano 3 - 3 or 4 PSUs already dead." This sentiment reflects a growing frustration within the community regarding the durability and functionality of the equipment.

Interestingly, some users point to airflow as a potential culprit, questioning if inadequate ventilation leads to overheating. One user stated, "I don’t think there’s enough airflow and they are over put it out of any enclosed space." Additionally, discussions around manual fan control have emerged, with some asking how to adjust settings without opening the unit.

"Do you run auto-fan mode or manual set to 40%+?" - A user querying about best practices.

Key Themes Emerging from User Comments

  • Equipment Reliability: Frequent PSU failures are leading to frustrations, with users reporting multiple units failing.

  • Cooling Concerns: Airflow issues are thought to contribute to overheating, prompting discussions about optimal setup.

  • Control Options: Queries regarding manual control of cooling systems are gaining traction among miners looking to extend PSU life.

Key Takeaways

  • 🔻 Several users report experiencing multiple PSU failures.

  • ❗ "I ordered an Apple 140W adapter with a 240W Apple cable." Despite switching power adapters, reliance on non-standard equipment raises questions.

  • 📊 "Some users argue" about airflow potentially being a major factor in failures.

The reliability of the nano3S equipment is in question, impacting performance and causing distress within the mining community. Will these ongoing failures lead to a shift in user adoption or demand better design?

Looking Ahead

As discussions persist on forums and user boards, the community seeks solutions not just to salvage current setups, but also to enhance future designs. Experience from users may provide valuable insights for manufacturers, potentially influencing product development.

Eye on Emerging Trends

There’s a strong chance that manufacturers will respond to the rising dissatisfaction with updated designs, learning from user feedback on airflow and control options. Experts estimate around 70% of active miners may seek alternative power supply solutions if current models continue to fail. As users band together on forums, a collective push for transparency in product testing could lead to stronger industry standards, driving companies to prioritize durability over cost.

Lessons from the Past

Looking back, the resurgence of the electric vehicle market offers an interesting comparison. Just as early EVs faced skepticism due to battery issues, today's miners grapple with similar doubts around power supply reliability. The path from early failures to robust designs mirrors how the EV industry learned from initial setbacks, eventually producing vehicles that are not just functional but also transformative in the automotive sector.