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 SYS profitability ($0.1000/kWh).

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

SYS Profitability

Estimated earnings at rated specs with $0.002499 SYS (Jul 6, 05:13 UTC).

Headline metric Profit / Watt -$0.002400/W Net daily profit per watt
Profit / day -$8.26/day At $0.1000/kWh
Revenue / day $0.00/day After pool fees
Power cost / day $8.26/day 3440 W continuous
SYS / day 0.04940784 Gross coins mined
Break-even - No hardware price