Home / Bitcoin miners / Bitmain Antminer S21
Sold out · last price $860 per unit · 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 hashes 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.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $77,356.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000098 BTC | $7.58 | $5.22 | $2.35 |
| Weekly | 0.000686 BTC | $53.04 | $36.56 | $16.48 |
| Monthly | 0.002980 BTC | $230.49 | $158.89 | $71.60 |
| Yearly | 0.035752 BTC | $2,765.62 | $1,906.47 | $859.15 |
Electricity per bitcoin mined: $53,325. Year 1 return: 35%.
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $53,325 | $72 | $2,967 | 29% |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $35,550 | $94 | $2,575 | 44% |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $53,325 | $72 | $2,432 | 35% |
| 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 | 16 kg (approx.) |
The Bitmain Antminer S21 (200 TH/s) is sold out with us; its market price is about $860 per unit ($4.30 per TH/s). Delivered, imported, installed and hosted in Argentina with a two-month hosting deposit, the all-in cost is about $2,432 per machine.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S21 (200 TH/s) is calculated to generate $2.35 daily, $71.60 monthly and $859.15 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the Bitmain Antminer S21 costs about $53,325 in Argentina, and $53,325 in UAE and $35,550 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made 31% below the price of buying one.
At current bitcoin price and difficulty, the Bitmain Antminer S21 returns 29–44% 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 16 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 (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (4.0¢/kWh, 74.7% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
Bitmain announced the Bitmain Antminer S21 in Aug 2023.