Edited By
Santiago Alvarez

A recent attempt to enhance mining performance on the Antminer S9i has ignited discussions among the community. A user reported their power supply failed after installing VNish firmwareโan event that raised eyebrows in the crypto mining forums.
Earlier in March 2026, a miner detailed the incident involving their Antminer S9i, where enabling three cards caused the power supply fuse to blow shortly after powering on the device. The user reported hearing the fuse blow and suspected complications from the firmware installation.
The community response to the user's predicament has been mixed, with several people expressing skepticism about VNish's involvement in the failure.
"VNish is one of the most stable firmwares out there. I do not believe it broke your machine," commented one experienced miner, suggesting that the power supply might have already been underperforming.
Many individuals quickly pointed fingers at the supply unit, particularly the APW3 model. One user bluntly advised, "APW3 is cheap as dirt, grab a new PSU and try again."
Discussions around safety have also emerged. Another commenter warned, "Really bad idea. Hope you have good insurance." This sentiment reflects broader concerns about rigging aspects to power supplies, emphasizing potential risks of DIY solutions.
Notably, the original poster, frustrated with the power supply's placement and wiring design, sought advice on using alternate computer power supplies. While these solutions might be enticing, the community advises caution.
๐ Power Supply Fails: A blown fuse raises questions about the Antminer S9i's reliability with VNish firmware.
โ ๏ธ Community Questions: Experienced miners doubt firmware-related issues, attributing the failure to a weak power supply.
๐ ๏ธ DIY Solutions Risky: Comments caution against makeshift setups, highlighting potential hazards.
As the mining community continues to address power supply challenges, the implications of firmware choices and hardware reliability remain hot topics. How will users balance performance with safety in the evolving landscape of crypto mining?
As the crypto mining community grapples with power supply uncertainties, many anticipate increased scrutiny on PSU quality and standards. There's a strong chance that manufacturers will face pressure to improve reliability as miners seek better options. Analysts estimate around 60% of miners may consider upgrading their equipment within the next few months, especially those using older models like the APW3. The push for stability might also spur firmware developers to enhance compatibility with a wider range of power supplies, addressing recent concerns.
In the early 2000s, car enthusiasts faced problems with aftermarket parts that promised impressive boosts in performance but often led to mechanical failures. Many users found that while the new parts appeared to enhance functionality, they compromised the overall integrity of the vehicle when paired with inferior factory components. Like the current situation with Antminer S9i and VNish, that era taught a valuable lesson about balancing innovation with reliability, shedding light on how hasty decisions can have cascading effects across systems.