Meta Description
The Bitmain Antminer S21 XP Hyd is a hydro-cooled SHA-256 ASIC miner delivering 473 TH/s at 12 J/TH efficiency. Ideal for Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV) mining operations.
Product Overview
The Antminer S21 XP Hyd represents Bitmain’s latest advancement in high-efficiency Bitcoin mining technology. Utilizing hydro-cooling for superior thermal management, this miner achieves a remarkable 473 TH/s hashrate while maintaining industry-leading power efficiency of 12 J/TH. Designed for professional mining farms and large-scale operations, it supports SHA-256 algorithms compatible with BTC, BCH, and BSV networks.
Key Specifications
| Parameter | Specification |
|---|---|
| Model | Antminer S21 XP Hyd |
| Algorithm | SHA-256 |
| Hashrate | 473 TH/s ±5% |
| Power Consumption | 5,676W ±10% |
| Efficiency | 12 J/TH |
| Cooling System | Hydro-cooling (OD10) |
| Operating Voltage | 380–415V AC (3-phase) |
| Dimensions | 339 × 173 × 207 mm |
| Weight | 13.8 kg (net) |
| Noise Level | ≤75 dB |
Performance Metrics
| Metric | Value (June 2025) |
|---|---|
| Daily Revenue (BTC) | 0.00042 BTC ($28.50) |
| Monthly Profit | ~$855 (at $0.06/kWh) |
| Break-even Period | 15–18 months |
| Power Cost/Day | $8.17 (at $0.06/kWh) |
| Optimal Temp Range | 20–50°C |
Target Users
| User Type | Key Considerations |
|---|---|
| Industrial Miners | High hashrate and efficiency for large farms. |
| Data Centers | Hydro-cooling reduces HVAC costs. |
| Crypto Investors | ROI-focused with stable payouts. |
| Mining Pools | Consistent performance for pool contributions. |
Important Notes
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Cooling Requirements: Requires 8–10 L/min coolant flow at ≤3.5 bar pressure. Pure/deionized water only (pH 8.5–9.5).
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Power Supply: Mandatory 3-phase 380–415V AC input. Voltage fluctuations may damage hardware.
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Maintenance: Monitor coolant levels and filter cleanliness monthly.
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Noise: Not suitable for residential areas (75 dB operational noise).
Why the S21 XP Hyd is a Smart Investment
For miners prioritizing efficiency and scalability, the Antminer S21 XP Hyd offers unmatched performance in the SHA-256 sector. Its hydro-cooling system ensures longevity, while the 12 J/TH efficiency maximizes profitability even post-Bitcoin halving. Compared to air-cooled alternatives like the Whatsminer M60S (28 J/TH), the S21 XP Hyd reduces operational costs by up to 57%.
With current market conditions, this miner achieves ROI within 15–18 months at $0.06/kWh—a compelling choice for serious operators.
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