EVGA SuperNOVA 550 G2 PSU Review

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This please, in regard to the low hold-up time. That seems like it could be an unfortunate deal-breaker in an otherwise excellent PSU if you're in an area with a lot of power disturbances. Would this be ameliorated by the use of a UPS (not just a surge protector)? How sensitive is the PSU to the stepped square waves used by cheap UPS units? Please add this specific test; get a cheap APC and then one of the CyberPower APFC units and let us know if it makes a difference. Thanks.
 
actually my AC source can output any type of waveform (stepped, semi-stepped, sine etc.) however at least for the time being I don't have any time available for even more tests. I am really sorry for this..
 
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