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Antminer S21+ — Mining Profitability
The Antminer S21+ (235 TH/s, 14.936 J/TH) trades at an estimated ~$4,715 (August 2026). At the current hashprice ($32/PH/day) it generates ~$7.48/day gross — about $2.43/day net at $0.06/kWh. Break-even electricity price: $0.089/kWh.
Is Bitcoin mining still profitable in 2026? →Specifications
Hashrate
235 TH/s
Power
3,510W
Efficiency
14.936 J/TH
Cooling
Air
Release Date
September 2024
Est. $/TH
$20.1/TH
Manufacturer
Bitmain
Live Profitability
Compare with similar models
Antminer S21 Pro
234 TH/s · 15 J/TH · Air
Sealminer A2 Pro
255 TH/s · 15 J/TH · Air
Sealminer A3
260 TH/s · 14 J/TH · Air



