High hashrate Whatsminer M21 M21S 50TH/s BTC bitcoin miner with buit-in power supply, US $ 1500 - 2500 / Piece, Whatsminer, SHA-256, 2750W±10%. MicroBT Whatsminer M21S. Start to upgrade WhatsMiner M3 firmware and mine in Poolin. A 240 V input, ethernet plugin, IP reset and front. The MicroBT Whatsminer M31S technical specifications are as follows:.
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