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Bitmain Antminer S21 XP (270 TH/s)
In stock · $3,356 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 hashes at 270 TH/s while drawing 3,645 W, an efficiency of 13.5 J/TH. It is in stock at $3,356 per unit, delivered and hosted at one of our sites.
Bitmain Antminer S21 XP profitability
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 | 0.000132 BTC | $10.23 | $5.44 | $4.79 |
| Weekly | 0.000926 BTC | $71.60 | $38.08 | $33.53 |
| Monthly | 0.004023 BTC | $311.17 | $165.47 | $145.69 |
| Yearly | 0.048265 BTC | $3,733.59 | $1,985.45 | $1,748.14 |
Electricity per bitcoin mined: $41,136. Year 1 return: 30%.
Bitmain Antminer S21 XP price history
From $4,722 in Nov 2025 to $3,356 in Sep 2026 (-29%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Nov 2025 | $4,544 | $16.83 |
| Dec 2025 | $4,514 | $16.72 |
| Jan 2026 | $4,514 | $16.72 |
| Mar 2026 | $3,416 | $12.65 |
| Apr 2026 | $3,445 | $12.76 |
| May 2026 | $3,802 | $14.08 |
| Jun 2026 | $3,594 | $13.31 |
| Jul 2026 | $3,594 | $13.31 |
| Aug 2026 | $3,594 | $13.31 |
| Sep 2026 | $3,356 | $12.43 |
Where to host the Bitmain Antminer S21 XP
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $41,136 | $147 | $5,726 | 31% |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $27,424 | $152 | $5,953 | 31% |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $41,136 | $146 | $5,815 | 30% |
Bitmain Antminer S21 XP specifications
| 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 | 16 kg (approx.) |
Bitmain Antminer S21 XP FAQ
How much does the Bitmain Antminer S21 XP cost?
The Bitmain Antminer S21 XP (270 TH/s) costs $3,356 per unit ($12.43 per TH/s). Delivered, imported, installed and hosted in Argentina with a two-month hosting deposit, the all-in cost is about $5,815 per machine.
Is the Bitmain Antminer S21 XP (270 TH/s) profitable?
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S21 XP (270 TH/s) is calculated to generate $4.79 daily, $145.69 monthly and $1,748.14 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
What does it cost to mine one bitcoin with the Bitmain Antminer S21 XP?
Electricity to mine one bitcoin with the Bitmain Antminer S21 XP costs about $41,136 in Argentina, and $41,136 in UAE and $27,424 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made 47% below the price of buying one.
What is the year 1 return of the Bitmain Antminer S21 XP?
At current bitcoin price and difficulty, the Bitmain Antminer S21 XP returns 30–31% 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.
What is the hashrate and power consumption of the Bitmain Antminer S21 XP?
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.
What are the dimensions and weight of the Bitmain Antminer S21 XP?
The Bitmain Antminer S21 XP measures about 400 x 195 x 290 mm and weighs around 16 kg.
Is the Bitmain Antminer S21 XP air-cooled or hydro-cooled?
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.
Where can the Bitmain Antminer S21 XP be hosted?
We can host the Bitmain Antminer S21 XP 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.
How has the price of the Bitmain Antminer S21 XP changed?
The Bitmain Antminer S21 XP sold for $4,722 in Nov 2025 and $3,356 as of Sep 2026, down 29%. Over that time it ranged from $3,178 to $4,722.
When was the Bitmain Antminer S21 XP released?
Bitmain announced the Bitmain Antminer S21 XP in Jun 2024.