Home / Bitcoin miners / Bitmain Antminer S21 XP
In stock · $3,127 per unit · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S21 XP (270 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Jun 2024. It runs at 270 TH/s while drawing 3,645 W, an efficiency of 13.5 J/TH. It is in stock at $3,127 per unit, delivered and hosted at one of our sites.
More on this machine: Bitmain Antminer S21 XP price history · Bitmain Antminer S21 XP profitability history · Bitmain Antminer S21 XP review
As of Sep 21, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $87,031.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000128 BTC | $11.11 | $5.44 | $5.67 |
| Weekly | 0.000893 BTC | $77.76 | $38.08 | $39.68 |
| Monthly | 0.003883 BTC | $337.92 | $165.47 | $172.45 |
| Yearly | 0.046588 BTC | $4,054.59 | $1,985.45 | $2,069.14 |
Electricity per bitcoin mined: $42,617. Year 1 return: 39%.
From $6,089 in Oct 2024 to $3,072 in Sep 2026 (-50%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Oct 2024 | $6,061 | $22.45 |
| Nov 2024 | $6,836 | $25.32 |
| Dec 2024 | $6,642 | $24.60 |
| Jan 2025 | $6,642 | $24.60 |
| Feb 2025 | $6,448 | $23.88 |
| Mar 2025 | $6,116 | $22.65 |
| Apr 2025 | $6,310 | $23.37 |
| May 2025 | $5,950 | $22.04 |
| Jun 2025 | $5,646 | $20.91 |
| Jul 2025 | $5,563 | $20.60 |
| Aug 2025 | $5,341 | $19.78 |
| Sep 2025 | $4,705 | $17.43 |
| Oct 2025 | $4,594 | $17.02 |
| Nov 2025 | $4,290 | $15.89 |
| Dec 2025 | $4,207 | $15.58 |
| Jan 2026 | $4,207 | $15.58 |
| Feb 2026 | $3,874 | $14.35 |
| Mar 2026 | $3,210 | $11.89 |
| Apr 2026 | $3,266 | $12.10 |
| May 2026 | $3,625 | $13.43 |
| Jun 2026 | $3,487 | $12.92 |
| Jul 2026 | $3,404 | $12.61 |
| Aug 2026 | $3,349 | $12.40 |
| Sep 2026 | $3,072 | $11.38 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $42,617 | $173 | $5,325 | 39% |
| Nigeria | Air-cooled | 3.9¢ | 73.6% | $27,701 | $172 | $5,364 | 38% |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $42,617 | $172 | $5,357 | 39% |
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21 XP |
| Release date | Jun 2024 |
| Algorithm | SHA-256 |
| Hashrate | 270 TH/s |
| Power consumption | 3645 W |
| Efficiency | 13.5 J/TH |
| Cooling | Air-cooled |
| Dimensions | 400 x 195 x 290 mm (approx.) |
| Weight | 18.7 kg (approx.) |
The Bitmain Antminer S21 XP (270 TH/s) costs $3,127 per unit ($11.58 per TH/s). Delivered, imported, installed and hosted in Argentina with a two-month hosting deposit, the all-in cost is about $5,357 per machine.
As of Sep 21, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S21 XP (270 TH/s) is calculated to generate $5.67 daily, $172.45 monthly and $2,069.14 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 XP costs about $42,617 in Argentina, and $42,617 in UAE and $27,701 in Nigeria. Bitcoin trades at $87,031, so every coin it mines is made 51% below the price of buying one.
At current bitcoin price and difficulty, the Bitmain Antminer S21 XP returns 38–39% 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 XP produces 270 TH/s of SHA-256 hashrate and consumes 3,645 W, giving an efficiency of 13.5 J/TH.
The Bitmain Antminer S21 XP measures about 400 x 195 x 290 mm and weighs around 18.7 kg.
The Bitmain Antminer S21 XP 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 XP in UAE (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (3.9¢/kWh, 73.6% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
The Bitmain Antminer S21 XP sold for $6,089 in Oct 2024 and $3,072 as of Sep 2026, down 50%. Over that time it ranged from $2,961 to $6,919.
Bitmain announced the Bitmain Antminer S21 XP in Jun 2024.