Antminer S21 Pro Profitability 2026
Last updated: July 2026 · Network ~780 EH/s · BTC $100,000
The Antminer S21 Pro (Bitmain, 2024) delivers 234 TH/s at 3510 W — an efficiency of 15.0 J/TH. At current network conditions it mines ≈0.0041 BTC/month (≈$411 gross). Hosted at $$0.072/kWh that leaves ≈$226/month profit; its break-even electricity price is $0.160/kWh.
Profit by electricity rate
| Scenario | Rate | Power cost/mo | Profit/mo | Margin |
|---|---|---|---|---|
| Best hosted rate | $0.065 | $167 | $244 | 59% |
| Typical hosted rate | $0.072 | $185 | $226 | 55% |
| Upper hosted rate | $0.08 | $205 | $206 | 50% |
| German home power | $0.35 | $897 | $-487 | — |
Excludes pool fees (1–2%) and difficulty drift. Hardware price ≈$4,300 → payback ≈19 months at $0.072/kWh.
Datasheet
| Vendor | Bitmain |
|---|---|
| Hashrate | 234 TH/s |
| Power draw | 3510 W |
| Efficiency | 15.0 J/TH |
| Cooling | air |
| Released | 2024 |
| Market price (approx.) | $4,300 |
| Break-even rate | $0.160/kWh |
Calculate with your own numbers
Network: ~780 EH/s · block reward 3.125 BTC · excludes pool fees & difficulty drift. Estimate, not financial advice.
FAQ
How much does the Antminer S21 Pro earn per month?
At ~780 EH/s network hashrate and $100,000 BTC, the Antminer S21 Pro (234 TH/s) mines ≈0.0041 BTC/month ≈ $411 gross. At a hosted rate of $0.072/kWh that leaves ≈$226/month profit.
What is the break-even electricity price for the Antminer S21 Pro?
$0.160/kWh. Above this all-in rate the Antminer S21 Pro loses money at current network conditions.
Is the Antminer S21 Pro profitable at home in Germany?
No. At ~$0.35/kWh household power it loses ≈$487/month. Hosted mining at $0.065–$0.08/kWh is the realistic option.
How efficient is the Antminer S21 Pro?
15.0 J/TH (3510 W at 234 TH/s). That puts it in the current top efficiency class.
Where to host a Antminer S21 Pro
Hosted rates of $0.065–$0.08/kWh make the difference between profit and loss for this machine. Compare providers in the Hosting Comparison 2026 — or see other miners: Antminer S21 XP Hyd · Antminer S21 XP · Antminer S21 Hyd · Antminer S21