Tricky computer hardware question:

[archimedes]

.... PSU are notoriously flaky though, and can go bad suddenly without warning, at any time....

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I don't mean to be bumping this thread, but a quick update2.0 .... After everything done on rebuild after rebuild (including a brand new psu being DOA)______ I have not had a single crash w/ my system
So it was in fact the original psu failing all along.

Thanks for everyones' posts

Thanks for confirming