Those are some really impressive numbers! I bought my first s9 13.5 a week or so ago and loaded up braiins+. Im strapped on how much power i can use here so I opted to run one board. The auto tuning process has it at
7.94v/ 617MHz/ 4.4Th/s @ 383 approx. watts total. Keeps my shed warm, and may pay for my sons schooling if I get lucky over at ckpool