Name: Antminer S21+ HYD (395Th)
Brand: Bitmain
SKU: S21+HYD395Th
Price: 3318 USD
Availability: InStock
Rating: 4.6 (250 reviews)

Question 1

Is Antminer S21+ HYD (395Th) profitable?

Accepted Answer

As of Nov 27, 2025, considering an electricity cost of $0.045/KWh, the Antminer S21+ HYD (395Th) has been calculated to generate:
                
                • Daily Revenue: $15.188
                • Daily Electricity Cost: $6.40
                • Daily Net Profit: $8.79
                
                Projected earnings:
                • Monthly Net Profit: $263.70
                • Yearly Net Profit: $3208.35

Question 2

Is mining profitability guaranteed to remain constant?

Accepted Answer

No, mining profitability is not guaranteed to stay the same over time. While the current daily profit is shown above, this can fluctuate due to various factors such as:
                
                • Global hashrate changes
                • Network difficulty adjustments
                • Block rewards
                • BTC exchange rates
                
                Be prepared for potential changes in profitability based on these market dynamics.

Question 3

What is the hashrate for Antminer S21+ HYD (395Th)?

Accepted Answer

The Antminer S21+ HYD (395Th) has a hash rate of 395 TH/S with the SHA-256 algorithm. Note that hashrates are only comparable between miners that use the same algorithm.

Question 4

Is the electricity consumption rate per hour?

Accepted Answer

Yes, the Antminer S21+ HYD (395Th) consumes 5925 W per hour. You can adjust your local electricity price in the header preferences to see profitability calculations based on your actual electricity cost.

Question 5

How does electricity cost impact profitability?

Accepted Answer

Electricity expenses are a significant factor in mining profitability. With the power consumption of 5925 W, your daily electricity cost is $6.40. Higher electricity rates can reduce or even eliminate profits, which is why assessing local energy costs is crucial when determining if mining is viable.
                
                With higher electricity costs, investing in a highly efficient miner like this one (efficiency: 15 J/Th) becomes even more important.

Question 6

What is the lifespan of this mining hardware?

Accepted Answer

The lifespan of mining hardware depends on several key factors:
                
                • Usage intensity
                • Environmental conditions (temperature, humidity: 10 - 90 %)
                • Maintenance quality
                • Cooling system (Hydro)
                
                Proper maintenance and ideal operating conditions can significantly extend hardware longevity.

Question 7

Which brand manufactures the Antminer S21+ HYD (395Th)?

Accepted Answer

Bitmain is the manufacturer of the Antminer S21+ HYD (395Th).

Question 8

What is the daily electricity consumption of the Antminer S21+ HYD (395Th)?

Accepted Answer

The Antminer S21+ HYD (395Th) consumes $6.40 worth of electricity per day at the current rate of $0.045/KWh.

Question 9

Which cryptocurrencies can be mined with the Antminer S21+ HYD (395Th)?

Accepted Answer

The Antminer S21+ HYD (395Th) is designed to mine BTC using the SHA-256 algorithm. The miner's efficiency of 15 J/Th makes it specifically optimized for this cryptocurrency.

Question 10

How to set up Antminer S21+ HYD (395Th)?

Accepted Answer

Setting up Antminer S21+ HYD (395Th) is straightforward. Connect to power, configure network settings, and join a mining pool. Detailed setup instructions are included with the product.

Antminer S21+ HYD (395Th)

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