Whatsminer M21/M21S is that the newest ASIC miner for SHA-256 algorithm of MicroBT,it will mine Bitcoin or Bitcoin cash with hashrate of 28TH/s (+-5%). Power consumption is 1680w (+-10%). For Whatsminer M21S, it hits a hashrate as high as 56TH/s with solely 3360w.
Unboxing and Review: Unboxing and Review for Bitcoin Miner Whatsminer M21