Home / Bitcoin miners / Bitmain Antminer S21+ Hyd
Bitmain Antminer S21+ Hyd (319 TH/s)
In stock · $4,234 all-in, delivered, installed and hosted in Argentina · Bitmain · Hydro-cooled · SHA-256
The Bitmain Antminer S21+ Hyd (319 TH/s) is a hydro-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Oct 2024. It runs at 319 TH/s while drawing 4,785 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+ Hyd price history · Bitmain Antminer S21+ Hyd profitability history · Antminer S21+ Hyd review: 395 TH/s in one box, at the best entry price it has had · The S21+ Hyd is the best-returning machine on our floor
Part of the Bitmain Antminer S21+ line: Bitmain Antminer S21+ price, hosting and profitability
Bitmain Antminer S21+ Hyd 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 | 0.000135 BTC | $10.49 | $8.06 | $2.43 |
| Weekly | 0.000942 BTC | $73.43 | $56.41 | $17.01 |
| Monthly | 0.004094 BTC | $319.09 | $245.16 | $73.93 |
| Yearly | 0.049117 BTC | $3,828.71 | $2,941.64 | $887.07 |
Electricity per bitcoin mined: $59,891. Year 1 return: 21%.
Bitmain Antminer S21+ Hyd price history
From $5,493 in Feb 2025 to $2,110 in Sep 2026 (-62%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Feb 2025 | $5,158 | $16.17 |
| Apr 2025 | $4,689 | $14.70 |
| May 2025 | $4,957 | $15.54 |
| Nov 2025 | $2,778 | $8.71 |
| Dec 2025 | $2,638 | $8.27 |
| Jan 2026 | $2,579 | $8.09 |
| Feb 2026 | $2,378 | $7.46 |
| Mar 2026 | $2,311 | $7.25 |
| Apr 2026 | $2,211 | $6.93 |
| May 2026 | $2,181 | $6.84 |
| Jun 2026 | $2,216 | $6.95 |
| Jul 2026 | $2,110 | $6.62 |
| Aug 2026 | $2,110 | $6.62 |
| Sep 2026 | $2,110 | $6.62 |
Where to host the Bitmain Antminer S21+ Hyd
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Hydro-cooled | 6.5¢ | 99.3% | $59,891 | $74 | $3,812 | 23% |
| Nigeria | Hydro-cooled | 4.5¢ | 73.6% | $41,463 | $111 | $4,206 | 32% |
| Argentina | Hydro-cooled | 6.5¢ | 98.7% | $59,891 | $74 | $4,234 | 21% |
Bitmain Antminer S21+ Hyd specifications
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21+ Hyd |
| Release date | Mar 2025 |
| Algorithm | SHA-256 |
| Hashrate | 319 TH/s |
| Power consumption | 4785 W |
| Efficiency | 15 J/TH |
| Cooling | Hydro-cooled |
| Dimensions | 410 x 170 x 209 mm (approx.) |
| Weight | 13.8 kg (approx.) |
Bitmain Antminer S21+ Hyd FAQ
How much does the Bitmain Antminer S21+ Hyd cost?
The all-in price of the Bitmain Antminer S21+ Hyd (319 TH/s) is about $4,234 per machine, delivered, imported, installed and hosted in Argentina with a two-month hosting deposit. That is the machine itself at $2,110 ($6.61 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit.
Is the Bitmain Antminer S21+ Hyd (319 TH/s) profitable?
As of Nov 1, 2026, hosted in Argentina at 6.5¢/kWh, the Bitmain Antminer S21+ Hyd (319 TH/s) is calculated to generate $2.43 daily, $73.93 monthly and $887.07 yearly after electricity, at a bitcoin price of $77,951. It always changes with bitcoin's price and network difficulty.
What does it cost to mine one bitcoin with the Bitmain Antminer S21+ Hyd?
Electricity to mine one bitcoin with the Bitmain Antminer S21+ Hyd costs about $59,891 in Argentina, and $59,891 in UAE and $41,463 in Nigeria. Bitcoin trades at $77,951, so every coin it mines is made 23% below the price of buying one.
What is the year 1 return of the Bitmain Antminer S21+ Hyd?
At current bitcoin price and difficulty, the Bitmain Antminer S21+ Hyd 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.
What is the hashrate and power consumption of the Bitmain Antminer S21+ Hyd?
The Bitmain Antminer S21+ Hyd produces 319 TH/s of SHA-256 hashrate and consumes 4,785 W, giving an efficiency of 15 J/TH. Its hydro cooling loop adds about 200 W for water pumps.
What are the dimensions and weight of the Bitmain Antminer S21+ Hyd?
The Bitmain Antminer S21+ Hyd measures about 410 x 170 x 209 mm and weighs around 13.8 kg.
Is the Bitmain Antminer S21+ Hyd air-cooled or hydro-cooled?
The Bitmain Antminer S21+ Hyd is hydro-cooled: water carries heat away from the hashboards, so it runs quietly with no fans and needs a cooling loop with a dry cooler.
Where can the Bitmain Antminer S21+ Hyd be hosted?
We can host the Bitmain Antminer S21+ Hyd in UAE (6.5¢/kWh, 99.3% uptime), 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.
How has the price of the Bitmain Antminer S21+ Hyd changed?
The Bitmain Antminer S21+ Hyd sold for $5,493 in Feb 2025 and $2,110 as of Sep 2026, down 62%. Over that time it ranged from $2,077 to $5,493.
When was the Bitmain Antminer S21+ Hyd released?
Bitmain announced the Bitmain Antminer S21+ Hyd in Oct 2024.