I have 850W enermax bronze from old dogecoin times when i mined dogecoin, did 900w from wall 24/7 1+year, after year brake s start usin again this, replaced fan runs now 5x rx570 700-800W from wall.
Also i had antminer s2, with enermax 1000W gold, 1050-1100W from wall 24/7, 1+ year, still alive also fan ok.
SS x1250W , 1300W wall many moths gpu script mining, after 1,5y pcie plug melted and rma replaced.
Cheap Nexus 1000W , 850W wall, still alive. 3 years.
If psu can handle it I dont see problem to run max. only psu efficiency will be lower.