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Optimized for SHA-256 • 3440W
Miner price
$1,342.44
8.5 months
Based on $5.20 daily profit in the moderate btc price scenario at $0.065/kWh hosted electricity.
Bitmain Antminer S21 Immersion, optimized for the SHA-256 mining algorithm from Bitmain, comes with a maximum hash rate of 220 TH/s for a power consumption of 3440W. With an efficient Liquid cooling system, Antminer S21 Immersion dissipates heat effectively, preventing machine overheating while aiding an excellent energy efficiency of 15.64 J/TH. Estimated daily profitability is $3.48 (at $0.065/kWh electricity cost).
Net / day
$5.20
Hashrate
220 TH/s
Efficiency
15.64 J/TH
Consumption
3440 W
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Direct Supplies
We have partnerships with major equipment manufacturers and trusted distributors.
Warranty up to 12 months
All equipment sourced from manufacturers includes official warranty coverage.
Miners in Stock & Available for Order
If not currently in stock, we deliver typically within 1–2 weeks.
Full documentation. 100% legal
All purchases are compliant with local law and customs regulations and ship with full paperwork.
Check electricity cost, daily profit, and payback time for your own setup.
Quickly estimate daily results for your setup. Values are approximations and for guidance only.
* Values per single miner unit.
Electricity / day
$5.37
Revenue / day
$10.57
Profit / day
$5.20
Payback period
8.5 months
Note: Calculations are average estimates and may vary based on network difficulty, fees and market prices.
In-stock miners ship within 3 business days. For bulk orders, please allow an additional 1–2 days for logistics confirmation.
Pre-orders are shipped according to the factory schedule. Estimated dates are shown at checkout and may vary due to production updates.
Orders are processed on a first-paid, first-shipped basis. Bank transfers may take 3–7 business days to clear; cryptocurrency payments typically clear within a few hours.
International delivery normally takes 5–8 business days; remote locations may require 8–10 days.
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| Manufacturer | Bitmain |
|---|---|
| MOQ | 1 units |
| Model | Antminer S21 Immersion |
| Hashrate | 220 TH/s |
| Efficiency (J/TH) | 15.64 |
| Consumption (W) | 3440 |
| Voltage (V) | N/A |
| Release Date | N/A |
| Size | N/A |
| Net weight | N/A |
| Cooling system | Liquid |
Total
$1,342.44
Return of investment
8.5 mo
Daily profit
$5.20