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Optimized for SHA-256 • 4050W
Miner price
$2,349.27
9.9 months
Based on $7.81 daily profit in the moderate btc price scenario at $0.065/kWh hosted electricity.
Antminer S21, optimized for the SHA-256 mining algorithm from Antminer, comes with a maximum hash rate of 300 TH/s for a power consumption of 4050W. With an efficient Air cooling system, S21 dissipates heat effectively, preventing machine overheating while aiding an excellent energy efficiency of 13.50 J/TH. Estimated daily profitability is $5.52 (at $0.065/kWh electricity cost).
Net / day
$7.81
Hashrate
300 TH/s
Efficiency
13.50 J/TH
Consumption
4050 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
$6.32
Revenue / day
$14.13
Profit / day
$7.81
Payback period
9.9 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 | Antminer |
|---|---|
| MOQ | 1 units |
| Model | S21 |
| Hashrate | 300 TH/s |
| Efficiency (J/TH) | 13.50 |
| Consumption (W) | 4050 |
| Voltage (V) | N/A |
| Release Date | N/A |
| Size | N/A |
| Net weight | N/A |
| Cooling system | Air |
Total
$2,349.27
Return of investment
9.9 mo
Daily profit
$7.81