Antminer S21 is an ASIC miner for Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV) using the SHA-256 algorithm. Choose the exact version to see its price and availability. Hashrate, efficiency and condition are listed separately for each configuration.
Provide ventilation to remove heat and an electrical circuit rated for the load. Consider operating noise when choosing the location.
The calculator uses the selected version’s specifications. Results change with network difficulty, coin price, electricity cost and fees.
Nominal specifications by version
| Version | Hashrate | Power | Sources |
|---|---|---|---|
| Antminer S21 151T | 151 TH/s | 2642 W | BITMAIN |
| Antminer S21 175T | 175 TH/s | 3062 W | BITMAIN |
| Antminer S21 188T | 188 TH/s | 3290 W | BITMAIN |
| Antminer S21 195T | 195 TH/s | 3412 W | BITMAIN |
| Antminer S21 200T | 200 TH/s | 3500 W | BITMAIN |
Nominal values; actual power depends on operating mode, temperature and the individual unit. External cooling is excluded.
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