you can find this figures on tom's hardware, on the ups calculator page from schneide,
concerning the psu, you simply go to hp part for DL360....
now, for my academic world, i been working in that business for over 27 years now, and at least i know how to calculate the VA ratio to see if an ups fit, not rolling dice.
more source, in your language : https://www.easycalculation.com/physics/classical-physics/ups-power-requirement.php