Bitmain Antminer S21

Release Date Jan 2024

⚡ Electricity Rate: $ /kWh

	24 hours	30 days	1 year
Income	$9.36	$280.70	$3,415.20
Electricity	$8.40	$252.00	$3,066.00
Profit	$0.96	$28.70	$349.20

ASIC Miner Details

Manufacturer Bitmain

Model Antminer S21

Algorithm SHA-256

Hashrate 200 TH/s

Power 3500W

Available on eBay

Antminer S21+ 235 TH BTC MINER 3877W ASIC Miner Algorithm SHA-256 Miner USED
Price: 2950.00 USD
Condition: New
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Price: 1000.00 USD
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Price: 1000.00 USD
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Minable Coins - SHA-256

BCH

$513.73

+2.12%

BTC

$106,086.00

+1.18%

$0.4116

-1.11%

PPC

$0.3494

+0.10%

XEC

$0.000015

+1.91%

Frequently Asked Questions About Antminer S21

Is the Antminer S21 still profitable in 2025?

The Antminer S21 profitability depends on several factors including electricity costs, current mining difficulty, and cryptocurrency prices. Use our calculator above to see real-time profitability based on your specific electricity rate.

How much does the Antminer S21 make per day?

Daily earnings vary based on network difficulty and coin prices. Our calculator shows current estimates for 24-hour, 30-day, and yearly returns. Check the results above for the most up-to-date profitability data.

What is the power consumption of the Antminer S21?

The Antminer S21 consumes 3500W of power. See the specifications table above for complete technical details including hashrate and efficiency.

What algorithm does the Antminer S21 use?

This miner uses the SHA-256 algorithm with a hashrate of 200 TH/s. Check the specifications section above for a complete list of compatible coins you can mine.

What is the payback period for the Antminer S21?

The payback period depends on your initial investment cost and current profitability. Based on current mining conditions shown in the calculator above, you can estimate your ROI timeframe by dividing your purchase price by the daily profit.