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Antminer S21 Pro — Mining Profitability
The Antminer S21 Pro (234 TH/s, 15 J/TH) trades at an estimated ~$4,680 (October 2026). At the current hashprice ($40/PH/day) it generates ~$9.26/day gross — about $4.21/day net at $0.06/kWh. Break-even electricity price: $0.110/kWh.
Is Bitcoin mining still profitable in 2026? →Specifications
Hashrate
234 TH/s
Power
3,510W
Efficiency
15 J/TH
Cooling
Air
Release Date
July 2024
Est. $/TH
$20.0/TH
Manufacturer
Bitmain
Live Profitability
Compare with similar models
Sealminer A2 Pro
255 TH/s · 15 J/TH · Air
Antminer S21+
235 TH/s · 14.936 J/TH · Air
Sealminer A3
260 TH/s · 14 J/TH · Air