Is my PSU a piece of junk?

Started 2 months ago | Questions thread
Eric Carlson
Eric Carlson Veteran Member • Posts: 7,114
Re: Not Junk

NickZ2016 wrote:

That's over 90% at all loads.

Not below 10% load.

I'd also point out the waste at 50 watts even at 80% isn't really an issue for most users. Back of the envelope math it's an extra 8 watts going from 90 to 80%

Right. If that is say, idle for 300 days a year effectively (in use for the equivalent of 65 days effectively), that is an extra 57.6KWH wasted a year. Of course, if you turn it off regularly, or it goes it sleep, that would eliminate a lot of that idle waste. And during those active hours, if you're just typing an email, it is essentially idle.

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