Home / Bitcoin miners / Bitmain Antminer S21e Hyd
In stock · $3,395 all-in, delivered, installed and hosted in Argentina · Bitmain · Hydro-cooled · SHA-256
The Bitmain Antminer S21e Hyd (310 TH/s) is a hydro-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Aug 2025. It runs at 310 TH/s while drawing 5,270 W, an efficiency of 17 J/TH. It is in stock, delivered and hosted at one of our sites.
More on this machine: Bitmain Antminer S21e Hyd price history · Bitmain Antminer S21e Hyd profitability history · Antminer S21e Hyd review: a low price per terahash, and a power bill that decides it
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 | 0.000131 BTC | $10.19 | $8.84 | $1.35 |
| Weekly | 0.000915 BTC | $71.36 | $61.90 | $9.45 |
| Monthly | 0.003978 BTC | $310.09 | $269.02 | $41.08 |
| Yearly | 0.047731 BTC | $3,720.69 | $3,227.83 | $492.85 |
Electricity per bitcoin mined: $67,625. Year 1 return: 15%.
From $3,281 in Nov 2025 to $1,400 in Sep 2026 (-57%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Nov 2025 | $2,358 | $7.61 |
| Dec 2025 | $2,085 | $6.73 |
| Jan 2026 | $2,051 | $6.62 |
| Mar 2026 | $1,660 | $5.36 |
| Apr 2026 | $1,562 | $5.04 |
| May 2026 | $1,504 | $4.85 |
| Jun 2026 | $1,790 | $5.78 |
| Jul 2026 | $1,530 | $4.94 |
| Aug 2026 | $1,595 | $5.15 |
| Sep 2026 | $1,400 | $4.52 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Hydro-cooled | 6.5¢ | 99.3% | $67,625 | $41 | $3,115 | 16% |
| Nigeria | Hydro-cooled | 4.5¢ | 73.6% | $46,818 | $92 | $3,352 | 33% |
| Argentina | Hydro-cooled | 6.5¢ | 98.7% | $67,625 | $41 | $3,395 | 15% |
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S21e Hyd |
| Release date | Sep 2025 |
| Algorithm | SHA-256 |
| Hashrate | 310 TH/s |
| Power consumption | 5270 W |
| Efficiency | 17 J/TH |
| Cooling | Hydro-cooled |
| Dimensions | 410 x 170 x 209 mm (approx.) |
| Weight | 12.8 kg (approx.) |
The all-in price of the Bitmain Antminer S21e Hyd (310 TH/s) is about $3,395 per machine, delivered, imported, installed and hosted in Argentina with a two-month hosting deposit. That is the machine itself at $1,400 ($4.52 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit.
As of Nov 1, 2026, hosted in Argentina at 6.5¢/kWh, the Bitmain Antminer S21e Hyd (310 TH/s) is calculated to generate $1.35 daily, $41.08 monthly and $492.85 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 S21e Hyd costs about $67,625 in Argentina, and $67,625 in UAE and $46,818 in Nigeria. Bitcoin trades at $77,951, so every coin it mines is made 13% below the price of buying one.
At current bitcoin price and difficulty, the Bitmain Antminer S21e Hyd returns 15–33% 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 S21e Hyd produces 310 TH/s of SHA-256 hashrate and consumes 5,270 W, giving an efficiency of 17 J/TH. Its hydro cooling loop adds about 200 W for water pumps.
The Bitmain Antminer S21e Hyd measures about 410 x 170 x 209 mm and weighs around 12.8 kg.
The Bitmain Antminer S21e 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.
We can host the Bitmain Antminer S21e 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.
The Bitmain Antminer S21e Hyd sold for $3,281 in Nov 2025 and $1,400 as of Sep 2026, down 57%. Over that time it ranged from $1,367 to $3,281.
Bitmain announced the Bitmain Antminer S21e Hyd in Aug 2025.