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WhatsMiner M21S — Mining Profitability
The WhatsMiner M21S (56 TH/s, 60 J/TH) trades at an estimated ~$252 (October 2026). At the current hashprice ($40/PH/day) it generates ~$2.23/day gross — about $-2.61/day net at $0.06/kWh. Break-even electricity price: $0.028/kWh.
Is Bitcoin mining still profitable in 2026? →Specifications
Hashrate
56 TH/s
Power
3,360W
Efficiency
60 J/TH
Cooling
Air
Release Date
June 2019
Est. $/TH
$4.5/TH
Manufacturer
MicroBT
Live Profitability
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