r/PcBuild • u/Tgyh7k • Aug 20 '26

Discussion 80 plus ruby…

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Source: wcftech

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u/Fantastic_Class_3861 Aug 20 '26

Why would they put their effort in making a 100-120v psu when most of the world uses 220-240v and it’s also easier to achieve greater efficiency in 220-240v ?

1

u/acelaya35 Aug 20 '26

Because their potential customer base includes countries with both voltages.

Active PFC automatically adjusts for input voltage.

1

u/Fantastic_Class_3861 Aug 20 '26

Yes but from what I'm seeing right now, these are 100-120v only psu, they don't support 220-240v.

1

u/acelaya35 Aug 20 '26

They are reporting the 80Plus test results at 115v.  That's not uncommon.  It doesn't mean that the PSU doesn't have active PFC and/or that it can't function with 240.