Bitmain unveiled a powerful Bitcoin miner series in its World Digital Mining Summit in Hong Kong. One such model from the series is Bitmain Antminer S21. It is gathering attention from all over the world and people are waiting for its release. We will quickly walk you through the Bitmain Antminer S21 review covering its features, specifications, profitability, coins compatible with it and much more. https://asicmarketplace.com/blog/bitmain-antminer-s21-overview/