[Noisebridge-discuss] computer PSU questions - is 5.5V normal for 5V?

[d p fenn]

> Just wondering what the tolerances are.  I had a 550W PSU that was
> making the system act flaky.  Hooked it up to PSU tester and it's
> bouncing randomly from 5V up to 5.5V, and 3.3V is bouncing around up
> to 3.5.

it really depends on the parts that are attached to the rails. most 5v
parts will be rated to ~6v, and 3.3v parts to ~4v.

\p