Home / Bitcoin miners / Bitmain Antminer S21 Pro
In stock · $3,142 all-in, delivered, installed and hosted in Argentina · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S21 Pro (234 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Mar 2024. It runs at 234 TH/s while drawing 3,510 W, an efficiency of 15 J/TH. It is in stock, delivered and hosted at one of our sites.
More on this machine: Bitmain Antminer S21 Pro price history · Bitmain Antminer S21 Pro profitability history · Two years in Argentina, never switched off: hashprice never reached the Antminer S21 Pro's line · Bitmain Antminer S21 Pro review
Part of the Bitmain Antminer S21 line: Bitmain Antminer S21 price, hosting and profitability
As of Nov 1, 2026, hosted in Argentina at 6.5¢/kWh with 98.7% uptime. Bitcoin $77,951.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000099 BTC | $7.69 | $5.67 | $2.02 |
| Weekly | 0.000691 BTC | $53.86 | $39.72 | $14.14 |
| Monthly | 0.003003 BTC | $234.07 | $172.62 | $61.45 |
| Yearly | 0.036029 BTC | $2,808.52 | $2,071.24 | $737.27 |
Electricity per bitcoin mined: $57,488. Year 1 return: 23%.
From $4,717 in Apr 2024 to $1,794 in Sep 2026 (-62%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Apr 2024 | $4,582 | $19.58 |
| May 2024 | $4,570 | $19.53 |
| Jun 2024 | $4,447 | $19.01 |
| Jul 2024 | $4,251 | $18.17 |
| Aug 2024 | $4,324 | $18.48 |
| Sep 2024 | $4,398 | $18.80 |
| Oct 2024 | $4,595 | $19.64 |
| Nov 2024 | $4,988 | $21.32 |
| Dec 2024 | $5,455 | $23.31 |
| Jan 2025 | $5,332 | $22.79 |
| Feb 2025 | $4,914 | $21.00 |
| Mar 2025 | $4,398 | $18.80 |
| Apr 2025 | $4,177 | $17.85 |
| May 2025 | $4,226 | $18.06 |
| Jun 2025 | $3,931 | $16.80 |
| Jul 2025 | $3,833 | $16.38 |
| Aug 2025 | $3,587 | $15.33 |
| Sep 2025 | $3,464 | $14.81 |
| Oct 2025 | $3,342 | $14.28 |
| Nov 2025 | $3,044 | $13.01 |
| Dec 2025 | $2,703 | $11.55 |
| Jan 2026 | $2,703 | $11.55 |
| Feb 2026 | $2,629 | $11.24 |
| Mar 2026 | $2,322 | $9.92 |
| Apr 2026 | $2,219 | $9.48 |
| May 2026 | $2,167 | $9.26 |
| Jun 2026 | $1,935 | $8.27 |
| Jul 2026 | $1,818 | $7.77 |
| Aug 2026 | $1,818 | $7.77 |
| Sep 2026 | $1,794 | $7.67 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $57,488 | $62 | $3,483 | 21% |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $39,799 | $85 | $3,160 | 32% |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $57,488 | $61 | $3,142 | 23% |
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21 Pro |
| Release date | Mar 2024 |
| Algorithm | SHA-256 |
| Hashrate | 234 TH/s |
| Power consumption | 3510 W |
| Efficiency | 15 J/TH |
| Cooling | Air-cooled |
| Dimensions | 400 x 195 x 290 mm (approx.) |
| Weight | 18.5 kg (approx.) |
The all-in price of the Bitmain Antminer S21 Pro (234 TH/s) is about $3,142 per machine, delivered, imported, installed and hosted in Argentina with a two-month hosting deposit. That is the machine itself at $1,794 ($7.67 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit.
As of Nov 1, 2026, hosted in Argentina at 6.5¢/kWh, the Bitmain Antminer S21 Pro (234 TH/s) is calculated to generate $2.02 daily, $61.45 monthly and $737.27 yearly after electricity, at a bitcoin price of $77,951. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the Bitmain Antminer S21 Pro costs about $57,488 in Argentina, and $57,488 in UAE and $39,799 in Nigeria. Bitcoin trades at $77,951, so every coin it mines is made 26% below the price of buying one.
At current bitcoin price and difficulty, the Bitmain Antminer S21 Pro returns 21–32% 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 Pro produces 234 TH/s of SHA-256 hashrate and consumes 3,510 W, giving an efficiency of 15 J/TH.
The Bitmain Antminer S21 Pro measures about 400 x 195 x 290 mm and weighs around 18.5 kg.
The Bitmain Antminer S21 Pro is air-cooled with fans. In the UAE we run air-cooled machines in immersion tanks instead, which keeps them cool in desert heat.
We can host the Bitmain Antminer S21 Pro in UAE (6.5¢/kWh, 99.3% uptime, immersion), Nigeria (4.5¢/kWh, 73.6% uptime) and Argentina (6.5¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
The Bitmain Antminer S21 Pro sold for $4,717 in Apr 2024 and $1,794 as of Sep 2026, down 62%. Over that time it ranged from $1,794 to $5,455.
Bitmain announced the Bitmain Antminer S21 Pro in Mar 2024.