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Optimized for SHA-256 • 245 TH/s • 3510W
$2,841.00
$2,841.00 / TH
Antminer S21, optimized for the SHA-256 mining algorithm from Antminer, comes with a maximum hash rate of 245 TH/s for a power consumption of 3510W. With an efficient Air cooling system, S21 dissipates heat effectively, preventing machine overheating while aiding an excellent energy efficiency of 14.33 J/TH. Estimated daily profitability is $7.18 (at $0.060/kWh electricity cost).
Hashrate
245 TH/s
Efficiency
14.33 J/TH
Consumption
3510 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.
Quickly estimate daily results for your setup. Values are approximations and for guidance only.
* Values per single miner unit.
Electricity / day
$5.05
Revenue / day
$12.24
Profit / day
$7.18
Payback period
18.30 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.
Enjoy discounted pricing on large orders of crypto mining products. Fill out the form below and our team will get back to you with a custom proposal.
| Manufacturer | Antminer |
|---|---|
| MOQ | 1 units |
| Model | S21 |
| Hashrate | 245 TH/s |
| Efficiency (J/TH) | 14.33 |
| Consumption (W) | 3510 |
| Voltage (V) | N/A |
| Release Date | N/A |
| Size | N/A |
| Net weight | N/A |
| Cooling system | Air |