3090s have been bricking all year long, it's just been more widely publicized under the massive lens of the new FOTM. Here are accounts from April
, the same thing happening while playing the Halo: Master Chief Collection (one person had it happen twice). And a thread on the EVGA forums from February
where another poor soul had THREE of those GPUs die from League of Legends. They went on to troubleshoot and were able to prevent the crashing by keeping the voltage under a specific threshold.
EVGA has been quoted as saying what literally pops is an over-current protection mechanism, which tracks with what this other guy was saying yesterday
, where particularly stressful loads may be causing individual VRM stages to be overloaded. All it takes is a momentary imbalance in the distribution of 300+ amps for a card to go poof, and it's probably down to them cutting corners on the power management components in comparison to NVIDIA's reference model.