https://d-central.tech/product/apw3-psu/With a rated power of 1600W (on 200-240V) and 1200W (on 110-120V)So 75% available power on 120 volt compared to the max power on 240 volt.
I will follow the labels/specs of the manufacturer.
You can follow the results of some google searches.
Yes, it probably is wise to stick with what the manufacturer states about their own products specifications!
Couldn't agree more...