Antminer S21 Imm 215TH/s mining hardware

Antminer S21 Imm 215TH/s

Bitmain · ASIC · Sha256

Hashrate
-
Power draw
3440 W
Efficiency
16 J/TH
Release year
2025
Input voltage
200~240V AC

Where to buy

Vendors ordered by estimated annual ROI at current BTC profitability ($0.1000/kWh).

Vendor Price Daily profit Annual ROI Break-even
Jingle Mining Buy

BTC Profitability

Estimated earnings at rated specs with $60,345 BTC (Jun 27, 07:34 UTC).

Headline metric Profit / Watt -$0.000851/W Net daily profit per watt
Profit / day -$2.93/day At $0.1000/kWh
Revenue / day $5.33/day After pool fees
Power cost / day $8.26/day 3440 W continuous
BTC / day 0.00008832 Gross coins mined
Break-even - No hardware price