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WhatsMiner M21S — Mining Profitability
The WhatsMiner M21S (56 TH/s, 60 J/TH) trades at an estimated ~$252 (August 2026). At the current hashprice ($32/PH/day) it generates ~$1.78/day gross — about $-3.06/day net at $0.06/kWh. Break-even electricity price: $0.022/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
Compare with similar models
Antminer S15
28 TH/s · 57 J/TH · Air
WhatsMiner M10S
55 TH/s · 63.64 J/TH · Air
Antminer T17
40 TH/s · 55 J/TH · Air



