Home / Bitcoin miners / Bitmain Antminer S21
Sold out · Last price $1,974 all-in, delivered, installed and hosted in Argentina · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S21 (200 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Aug 2023. It runs at 200 TH/s while drawing 3,500 W, an efficiency of 17.5 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 price history · Bitmain Antminer S21 profitability history · Antminer S21 review: 17.5 J/TH on air at a low box price, and Nigeria is where it pays best · What two and a half years on an Antminer S21 actually produced
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 | 0.000084 BTC | $6.58 | $5.66 | $0.92 |
| Weekly | 0.000591 BTC | $46.04 | $39.61 | $6.43 |
| Monthly | 0.002566 BTC | $200.06 | $172.13 | $27.93 |
| Yearly | 0.030794 BTC | $2,400.44 | $2,065.34 | $335.10 |
Electricity per bitcoin mined: $67,069. Year 1 return: 17%.
From $3,045 in Oct 2023 to $1,470 in Feb 2026 (-52%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Oct 2023 | $3,066 | $15.33 |
| Nov 2023 | $4,536 | $22.68 |
| Jan 2024 | $4,347 | $21.74 |
| Feb 2024 | $4,263 | $21.32 |
| Mar 2024 | $4,074 | $20.37 |
| Apr 2024 | $3,906 | $19.53 |
| May 2024 | $3,780 | $18.90 |
| Jun 2024 | $3,738 | $18.69 |
| Jul 2024 | $3,570 | $17.85 |
| Aug 2024 | $3,644 | $18.22 |
| Sep 2024 | $3,612 | $18.06 |
| Oct 2024 | $3,381 | $16.91 |
| Nov 2024 | $3,654 | $18.27 |
| Dec 2024 | $3,507 | $17.54 |
| Jan 2025 | $3,276 | $16.38 |
| Feb 2026 | $1,470 | $7.35 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $67,069 | $28 | $2,502 | 13% |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $46,432 | $60 | $1,991 | 36% |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $67,069 | $28 | $1,974 | 17% |
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21 |
| Release date | Aug 2023 |
| Algorithm | SHA-256 |
| Hashrate | 200 TH/s |
| Power consumption | 3500 W |
| Efficiency | 17.5 J/TH |
| Cooling | Air-cooled |
| Dimensions | 400 x 195 x 290 mm (approx.) |
| Weight | 15.4 kg (approx.) |
The all-in price of the Bitmain Antminer S21 (200 TH/s) is about $1,974 per machine, delivered, imported, installed and hosted in Argentina with a two-month hosting deposit. That is the machine itself at $860 ($4.30 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit. It is sold out with us; these figures use its market price.
As of Nov 1, 2026, hosted in Argentina at 6.5¢/kWh, the Bitmain Antminer S21 (200 TH/s) is calculated to generate $0.92 daily, $27.93 monthly and $335.10 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 costs about $67,069 in Argentina, and $67,069 in UAE and $46,432 in Nigeria. Bitcoin trades at $77,951, so every coin it mines is made 14% below the price of buying one.
At current bitcoin price and difficulty, the Bitmain Antminer S21 returns 13–36% 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 produces 200 TH/s of SHA-256 hashrate and consumes 3,500 W, giving an efficiency of 17.5 J/TH.
The Bitmain Antminer S21 measures about 400 x 195 x 290 mm and weighs around 15.4 kg.
The Bitmain Antminer S21 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 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 sold for $3,045 in Oct 2023 and $1,470 as of Feb 2026, down 52%. Over that time it ranged from $1,260 to $5,166.
Bitmain announced the Bitmain Antminer S21 in Aug 2023.