Bitmain ASIC, immersion-cooled. Mines SHA-256. At the maker on 4 November 2026: in stock, listed at $1,290.
Today the Antminer S21 Imm. earns most on Bitcoin (SHA-256, NEM (Normal Energy Mode) @30°C inlet oil): $8.14 a day with merge-mined coins, and $1.54 after power at $0.08 a kWh. It pays for electricity up to $0.099 a kWh, and at $0.08 its list price pays back in 27.6 months at today's revenue.
Every coinCalculatorHardwareAPI
Updated 10 November 2026. Revenue is before pool fees (usually 1–2%); difficulty and price change daily. Open in the calculator to set your own power price, pool fee, quantity and difficulty growth.
| # | Algorithm | Hashrate | Power | Efficiency |
|---|---|---|---|---|
| 1 | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | 215 TH/s | 3,440 W | 16 J/TH |
| 2 | SHA-256 HEM (High Energy Mode) @30°C inlet oil | 301 TH/s | 5,569 W | 18.5 J/TH |
| # | Coin | Algorithm | Earns a day | Merge-mined on top | Profit a day at $0.08 | Breakeven | A day’s coins vs volume | Last block |
|---|---|---|---|---|---|---|---|---|
| 1 | BitcoinBTC | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $7.73 | +$0.42 | $1.54 | $0.099/kWh | 0.11% · sells easily | 21 min |
| 2 | BitcoinBTC | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $10.82 | +$0.58 | $0.71 | $0.085/kWh | 0.11% · sells easily | 21 min |
| 3 | Bitcoin SVBSV | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $7.22 | — | $0.61 | $0.087/kWh | 0.27% · sells easily | — |
| 4 | eCashXEC | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $6.75 | — | $0.14 | $0.082/kWh | 0.06% · sells easily | 39 min |
| 5 | Bitcoin SVBSV | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $10.10 | — | −$0.59 | $0.076/kWh | 0.27% · sells easily | — |
| 6 | Bitcoin CashBCH | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $5.58 | — | −$1.03 | $0.068/kWh | 0.08% · sells easily | 19 min |
| 7 | eCashXEC | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $9.43 | — | −$1.26 | $0.071/kWh | 0.06% · sells easily | 39 min |
| 8 | DigiByteDGB | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $5.29 | — | −$1.31 | $0.064/kWh | 0.19% · sells easily | — |
| 9 | Bitcoin CashBCH | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $7.81 | — | −$2.88 | $0.058/kWh | 0.08% · sells easily | 19 min |
| 10 | DigiByteDGB | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $7.39 | — | −$3.30 | $0.055/kWh | 0.19% · sells easily | — |
| 11 | Fractal BitcoinFB merge-mined, paid on top | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $0.0020 | — | on top | — | 1.6% · sells easily | — |
| 12 | HathorHTR merge-mined, paid on top | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $0.41 | — | on top | — | 0.09% · sells easily | 13 min |
| 13 | ElastosELA merge-mined, paid on top | SHA-256 NEM (Normal Energy Mode) @30°C inlet oil | $0.000039 | — | on top | — | 0.02% · sells easily | 15 min |
| 14 | Fractal BitcoinFB merge-mined, paid on top | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $0.0027 | — | on top | — | 1.6% · sells easily | — |
| 15 | HathorHTR merge-mined, paid on top | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $0.58 | — | on top | — | 0.09% · sells easily | 13 min |
| 16 | ElastosELA merge-mined, paid on top | SHA-256 HEM (High Energy Mode) @30°C inlet oil | $0.000055 | — | on top | — | 0.02% · sells easily | 15 min |
Figures from Bitmain, checked 4 November 2026.
Antminer S23 XP Hyd.SEALMINER A4 Ultra HydroAntminer S23 Hyd.Antminer U3S23HAntminer S23e U2HSEALMINER A4 Pro AirSEALMINER A4 Pro HydroAntminer S23