I did 6.1th and used 340 watts this is 55 watts a th
I love the numbers, perfect small space heater with good efficiency ( not cutting edge but super respectable ).
I'm seasonal miner now, quiet space heater is huge market IMO.
Lot's of friends wanna mine and heat but can't handle a 3KW+ beast mode miner.
I'm following your thread closely, waiting for price per board.