Quote from: fromport on Today at 04:50:28 PM

Quote from: JohnnyBitGoode on Today at 04:07:08 PM

I don't think that that's what it means.
Going from 240v AC to 120v AC will only make the efficiency of the power supply drop by 1 or 2%.

Assuming the GUI is reasonably accurate, then at those settings your power supply is 82% efficient (134.5 / 164 = 0.82).
Most modern day power supplies are closer to 90% efficient. So I'd say on the DC side of the power supply it's probably closer to 145 to 150 watts.

As you say: I interpret this different.
The label clearly says:
"85-176VAC Load power 60%"
I read this as : with input voltage 85-176 Volt AC the load power should be limited to max 60%
I don't see anything that says 1-2% less efficient on that label like you interpret it.
The WEB GUI uses the amps/volts of the VR x 3 strings to calculate the ASIC power usage.
Then it adds a guessed amount for the ESP32 & the fans to come to a WEB GUI power usage number.
It is not 100% measured.

Take your pick from a quick Google search:

https://www.google.com.au/search?sca_esv=c6b583333c988112&sxsrf=AHTn8zpv35ivkZJIuH2b8zXNelsyFL3F6Q:1739831817974&q=120v+vs+240v+power+supply+efficiency+for+pc&udm=2&fbs=ABzOT_CWdhQLP1FcmU5B0fn3xuWp5u5rQsC2YJafWTbyNSy6GwyMGdsHB0d4chDhHh_xW6AFFIH8LbBL39tQziqwJqn4z-wAXy39LfSETRrBOJ8GjWbzIS3MMwkaSWb2P77hvH2rdMUhD35JUxs42fZWv44Sne4SW2TdYHIbht8G3WYZzUlj7UlD9Q-Ja7AheA4nK4mEgCimfe-hyITZ8b_NRXLstjZCyA&sa=X&ved=2ahUKEwiAwOrL4suLAxUKwzgGHb9CG-IQtKgLegQIDhAB&biw=1280&bih=618&dpr=1.5