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Antminer T21 — Mining Profitability
The Antminer T21 (190 TH/s, 19 J/TH) trades at an estimated ~$2,470 (September 2026). At the current hashprice ($39/PH/day) it generates ~$7.46/day gross — about $2.26/day net at $0.06/kWh. Break-even electricity price: $0.086/kWh.
Is Bitcoin mining still profitable in 2026? →Specifications
Hashrate
190 TH/s
Power
3,610W
Efficiency
19 J/TH
Cooling
Air
Release Date
October 2023
Est. $/TH
$13.0/TH
Manufacturer
Bitmain
Live Profitability
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