Interest: The warranty period for control boards with symbol is one hundred fifty days (calculated from your day of shipment), and those without the need of logo will not be coated through the guarantee. The T21 has exactly the same hashboard – just A different solution detect – because the https://antminercontrollboardsfor96035.newbigblog.com/43920413/examine-this-report-on-antminer-s19-control-board-schematic