if it comes and works as well as they say.

I could see a 48 to 52 watt per th unit.

but so far no hard evidence of it doing 42 watts per th

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Bitmain  has not made the best chip  for any algo for more then a year.

That is in terms of efficiency.

I have heard a lot of negative buzz on the 7nm chip wafer they produced.

But as always if they come out with a 42 watt per th   miner at the lowest price per th

They will remain the king.

A simple 25 th  at 42 watts a th = 1050 watt foot print.

I wonder if they go the M10 route or the T2Turbo route  and they  come with  built in psu.