Antminer S21 Pro profitability & price LIVE
Bitmain SHA-256 miner for BTC. Currently $1.42/day net at $0.072/kWh.
About the Antminer S21 Pro
The Antminer S21 Pro is a industrial-grade SHA-256 ASIC miner from Bitmain, delivering 234 TH/s for 3,510 W of power draw — an efficiency of 15.0 J/TH.
Released in Jul 2024, it targets the BTC market: at today's network conditions (August 07, 2026) it produces about $7.49/day in BTC revenue, or $1.42/day net of electricity at $0.072/kWh, and stays in the green down to a break-even rate of $0.089/kWh. Street price is around $2,770 — request a quote below for live stock and delivery times.
Profitability vs electricity cost
| Rate ($/kWh) | Cost/day | Revenue/day | Net profit/day | |
|---|---|---|---|---|
| $0.02 | $1.68 | $7.49 | +$5.80 | |
| $0.04 | $3.37 | $7.49 | +$4.12 | |
| $0.06 | $5.05 | $7.49 | +$2.43 | |
| $0.08 | $6.74 | $7.49 | +$0.75 | |
| $0.10 | $8.42 | $7.49 | -$0.94 | |
| $0.12 | $10.11 | $7.49 | -$2.62 | |
| $0.14 | $11.79 | $7.49 | -$4.31 | |
| $0.16 | $13.48 | $7.49 | -$5.99 | |
| $0.18 | $15.16 | $7.49 | -$7.68 | |
| $0.20 | $16.85 | $7.49 | -$9.36 |
Break-even electricity price
The Antminer S21 Pro currently earns $1.42/day net at $0.072/kWh (August 07, 2026 snapshot). It stays profitable as long as your electricity costs less than $0.089/kWh — its break-even rate. Difficulty increases and coin-price moves will shift this number — recheck before ordering.
FAQ — Antminer S21 Pro
Is the Antminer S21 Pro profitable?
At $0.072/kWh the Antminer S21 Pro earns about $7.49/day in revenue and $1.42/day in net profit. Its break-even electricity price is $0.089/kWh — above that rate it mines at a loss.
What electricity rate does the Antminer S21 Pro need?
The Antminer S21 Pro breaks even at $0.089/kWh at current network conditions — below that rate it earns $1.42/day net at $0.072/kWh. Miners with access to industrial power ($0.04–0.07/kWh) have the healthiest margins.
What does the Antminer S21 Pro mine?
The Antminer S21 Pro is a SHA-256 miner. It mines BTC.