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PC power supply and motherboard automatic switchon

It seems likely that the PC motherboard's automatic switchon function causes voltage spikes on 5V and 12V lines killing SSD drives

Probably most PC power-supplies (not just the cheap ones) are not tuned/tested to regulate properly when switching on at 80V input cap and charging in 10-30 msec to 300V (more likely to cause problem with 230-240V mains than 110V).