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$/kWh
LoginAntminer S21+ HYD (395Th)
$2,686.00 - $3,318.00
Hashrate
395 TH/S
Power
5925 W
Daily Profit
$18.78
ROI
255%
1
Profitability Calculator
Estimate your mining returns based on current market conditions
$/kWh
5925W = 142.2 kWh/day
Daily Profit$0.00
Annual ROI0%
Break-evenNever
Yearly Profit$0.00
| Period | Revenue | Electricity Cost | Net Profit | BTC Mined |
|---|---|---|---|---|
| Daily | $0.00 | $6.40 | $0.00 | 0.000000 BTC |
| Weekly | $0.00 | $44.79 | $0.00 | 0.000000 BTC |
| Monthly | $0.00 | $191.97 | $0.00 | 0.000000 BTC |
| Yearly | $0.00 | $2,335.63 | $0.00 | 0.000000 BTC |
Historical Profitability
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Which miner is better for you?
Compare BTC miners with similar hashrate or price
| Miner | Hashrate | Power | Efficiency | Daily Profit | Payback Period | Price | Action |
|---|---|---|---|---|---|---|---|
Antminer S21+ HYD Bitmain Current | 395 TH/S | 5925 W | 15 J/Th | $7.53 | 357 days | $2,686.00 - $3,318.00 | Viewing |
 Whatsminer M76S MicroBT | 384 TH/S | 5200 W | 13.5 J/Th | $7.93 | 538 days | $4,262.40 - $6,837.00+59% | View |
 Whatsminer M76S+ MicroBT | 416 TH/S | 5200 W | 12.5 J/Th | $9.06 | 956 days | $8,653.00 - $8,654.00+222% | View |
 Whatsminer M70S MicroBT | 242 TH/S | 3267 W | 13.5 J/Th | $5.01 | 580 days | $2,904.00+8% | View |
 Whatsminer M76 MicroBT | 354 TH/S | 5133 W | 14.5 J/Th | $6.94 | 486 days | $3,372.50 - $5,595.00+26% | View |
Antminer S21+ HYD
Bitmain
Current ProductHashrate
395 TH/S
Power
5925 W
Efficiency
15 J/Th
Daily Profit
$7.53
Whatsminer M76S
MicroBT
Hashrate
384 TH/S
Power
5200 W
Efficiency
13.5 J/Th
Daily Profit
$7.93
Whatsminer M76S+
MicroBT
Hashrate
416 TH/S
Power
5200 W
Efficiency
12.5 J/Th
Daily Profit
$9.06
Whatsminer M70S
MicroBT
Hashrate
242 TH/S
Power
3267 W
Efficiency
13.5 J/Th
Daily Profit
$5.01
Whatsminer M76
MicroBT
Hashrate
354 TH/S
Power
5133 W
Efficiency
14.5 J/Th
Daily Profit
$6.94
Technical Specifications
Performance
| Manufacturer | Bitmain |
| Model | Antminer S21+ HYD (395Th) |
| Release Date | March 2024 |
| Algorithm | SHA-256 |
| Hashrate | 395 TH/S |
| Power Consumption | 5925 W |
| Efficiency | 15 J/Th |
Physical
| Weight | 15.4 kg |
| Dimensions | 410x170x209(mm) |
| Noise Level | 75 dB |
| Cooling | Hydro |
Power Requirements
| Power Interface | 2x C19, 20A minimum |
| Input Voltage | 380 - 415V |
| Frequency | 50/60 Hz |
| Recommended PSU | 4000W+ |
Environment
| Operating Temperature | 0°C ~ 40°C |
| Storage Temperature | -20°C ~ 70°C |
| Operating Humidity | 10 - 90 % |
| Altitude | ≤2000m |
Documents & Resources
Detailed Overview
Model S21+ HYD from Bitmain mining SHA-256 algorithm with a maximum hashrate of 395TH/S for a power consumption of 5925W
Key Features
- 15 J/Th efficiency
- 395 TH/S hashrate
- 5925 W power consumption
- SHA-256 algorithm
Why choose Antminer S21+ HYD?
The Antminer S21+ HYD from Bitmain offers exceptional efficiency at 15 J/Th, making it one of the most profitable miners in its class. With a hashrate of 395 TH/S, power consumption of 5925 W, and support for SHA-256 algorithm, it delivers impressive returns. Backed by manufacturer warranty and our professional support team.
Frequently Asked Questions
Get answers to common questions about this miner
As of Apr 18, 2026, considering an electricity cost of 0.045/KWh, the Antminer S21+ HYD (395Th) has been calculated to generate:
• Daily Revenue: $14.217
• Daily Electricity Cost: $6.40
• Daily Net Profit: $7.82
Projected earnings:
• Monthly Net Profit: $234.54
• Yearly Net Profit: $2853.57
• Daily Revenue: $14.217
• Daily Electricity Cost: $6.40
• Daily Net Profit: $7.82
Projected earnings:
• Monthly Net Profit: $234.54
• Yearly Net Profit: $2853.57
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