What is this?BitaxeSupra is the 4th major revision of the bitaxe that now includes the BM1368 ASIC from the Antminer S21 The BM1368 is a undocumented SHA256 mining ASIC from Bitmain. It's used in the Antminer S21 Bitmain claims the BM1368 has 17.5 J/TH efficiency The BM1368 has a different footprint and pinout from the BM1366, BM1397 and BM1387 in previous bitaxe. The fan appearance and fan cable length may vary from batch to batch, but will not affect the use! Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. The fan appearance and fan cable length may vary from batch to batch, but will not affect the use Voltage: AC110V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Colour:Orange Bracket Material:PCB+Plastic Package Contents: 1 x Miner(PCB board color is random,Specified color is not accepted) 1 x Power adapter