4 ms·

I agree. Standard UPSes convert AC to DC and back, in order to power the server PSUs and these conversions are inefficient. If the battery is in the server (a

by pert 18y ago

I agree. Standard UPSes convert AC to DC and back, in order to power the server PSUs and these conversions are inefficient. If the battery is in the server (after the PSU), you can miss out these conversions and save a lot of power.