Although the Antminer Z15 doesn't have official variants from Bitmain, the secondary market categorizes used models into a few informal sorts dependant on problem and refurbishment stage: We've been a small enterprise which includes just started off, but we get the corporation chief's consideration and gave us loads of help. https://wheretobuyusedantminerz1544499.blogchaat.com/39572951/detailed-notes-on-antminer-z15-pro-840-kh-s