Home / Bitcoin miners / Bitmain Antminer S21 Immersion
Sold out · last price $1,545 per unit · Bitmain · Immersion · SHA-256
The Bitmain Antminer S21 Immersion (301 TH/s) is a immersion-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Jul 2024. It runs at 301 TH/s while drawing 5,569 W, an efficiency of 18.5 J/TH. It is currently sold out; the figures below show what it would earn if hosted with us today.
More on this machine: Bitmain Antminer S21 Immersion profitability history
As of Sep 21, 2026, hosted in UAE at 6.0¢/kWh with 99.3% uptime. Bitcoin $87,031.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000143 BTC | $12.46 | $8.36 | $4.10 |
| Weekly | 0.001002 BTC | $87.21 | $58.53 | $28.68 |
| Monthly | 0.004355 BTC | $379.01 | $254.35 | $124.65 |
| Yearly | 0.052253 BTC | $4,547.60 | $3,051.91 | $1,495.69 |
Electricity per bitcoin mined: $58,407. Year 1 return: 40%.
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $58,407 | $125 | $3,762 | 40% |
| Nigeria | Not offered | 3.9¢ | 73.6% | — | — | — | — |
| Argentina | Not offered | 6.0¢ | 98.7% | — | — | — | — |
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21 Immersion |
| Release date | Jul 2024 |
| Algorithm | SHA-256 |
| Hashrate | 301 TH/s |
| Power consumption | 5569 W |
| Efficiency | 18.5 J/TH |
| Cooling | Immersion |
| Weight | 17.1 kg (approx.) |
The Bitmain Antminer S21 Immersion (301 TH/s) is sold out with us; its market price is about $1,545 per unit ($5.13 per TH/s). Delivered, imported, installed and hosted in UAE with a two-month hosting deposit, the all-in cost is about $3,762 per machine.
As of Sep 21, 2026, hosted in UAE at 6.0¢/kWh, the Bitmain Antminer S21 Immersion (301 TH/s) is calculated to generate $4.10 daily, $124.65 monthly and $1,495.69 yearly after electricity, at a bitcoin price of $87,031. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the Bitmain Antminer S21 Immersion costs about $58,407 in UAE. Bitcoin trades at $87,031, so every coin it mines is made 33% below the price of buying one.
At current bitcoin price and difficulty, the Bitmain Antminer S21 Immersion returns 40% in its first year at our sites, after electricity, against everything paid up front: the machine, shipping, import, infrastructure, setup and hosting deposit. You keep the machine and every bitcoin it mines. It always changes.
The Bitmain Antminer S21 Immersion produces 301 TH/s of SHA-256 hashrate and consumes 5,569 W, giving an efficiency of 18.5 J/TH.
The Bitmain Antminer S21 Immersion measures about n/a and weighs around 17.1 kg.
The Bitmain Antminer S21 Immersion is built for immersion cooling, submerged in dielectric fluid in a tank. We run immersion tanks in the UAE.
We can host the Bitmain Antminer S21 Immersion in UAE (6.0¢/kWh, 99.3% uptime). The bitcoin it mines goes straight to your own wallet.
Bitmain announced the Bitmain Antminer S21 Immersion in Jul 2024.
Also sold as Bitmain Antminer S21 Immersion (239 TH/s), Bitmain Antminer S21 Immersion (227 TH/s), Bitmain Antminer S21 Immersion (220 TH/s), Bitmain Antminer S21 Immersion (215 TH/s).