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Bitmain
Antminer S21+
Specifications
Hashrate
235 TH/s
#63
Power
3,877 W
#63
Efficiency
16.5 J/TH
#46
Cooling
Air
Release Year
2025
Economics
$/kWh
BTC / month
₿0.003624
#63
Monthly revenue
$238
#63
Monthly cost
$198
#51
Monthly gross profit
$39.78
#53
Gross margin
17%
#46
Revenue / kWh
$0.084
#46
Gross Margin History
Revenue per kWh History
30D
1Y
All
Now
—
Avg
—
Max
—
Min
—
25%
50%
75%
100%
Jan '25
Apr '25
Jul '25
Oct '25
Jan '26
Apr '26
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