I'd like to add that ideally we would prefer that one PSU power 2 miners only, not 2.5, for a load of ~2200 watts. We like to run everything below max capacity and everything in our electrical setup is overspec and loaded up to a maximum of 70 to 80% for safety reasons (not to mention long term reliability).
this is penny foolish and pound wise
ie I like the idea
Well,
I have several PSUs of this kind powering some SP20s, each PSU has 3 powerfull fans which lower total efficiency if underutilized.
At 2.5 Avalons each we should be at 2.5 - 2.6 kW per PSU so at around 90% utilization of the PSU.
Just my 2c.
spiccioli