Bitmain Antminer S21+ Hyd : The Detailed Review
Miners
- tagwu
SUMMARY
The Bitmain Antminer S21+ Hyd, launching in February 2025, continues Bitmain’s tradition of pushing the boundaries of Bitcoin mining technology. With an impressive 319 TH/s hashrate, hydro-cooling system, and a moderate power consumption of 4785W, the S21+ Hyd is tailored for industrial-scale deployments aiming for high efficiency and consistent returns. In this review, we explore the miner’s specifications, compare it to other top contenders, and evaluate its profitability outlook.
Technical Specifications
| Manufacturer | Bitmain |
|---|---|
| Model | Antminer S21+ Hyd (319Th) |
| Also known as | Antminer S21+ Hydro 319T |
| Release | Feb 2025 |
| Size | 410 x 170 x 209mm |
| Noise level | 50dB |
| Cooling | Hydro-cooling |
| Power | 4785W |
| Interface | Ethernet |
| Temperature | 5 – 40 °C |
| Humidity | 10 – 90% |
Comparing Bitmain Antminer S21+ Hyd with Other Top Bitcoin Miners
As the Bitcoin mining industry advances, the Canaan Avalon A15XP-206T finds itself competing with powerful alternatives like the MicroBT WhatsMiner M56S and the Bitmain Antminer S21. Here’s how they stack up:
Key Specifications Comparison
Efficiency Analysis
- Antminer S21+ Hyd: 15.00 J/TH
- Antminer S21 XP lmm.: 13.50 J/TH
- WhatsMiner M63S: 18.50 J/TH
The Antminer S21+ Hyd offers a strong balance between hashrate and efficiency. While it consumes slightly more power per terahash compared to the Antminer S21 XP lmm., it significantly outperforms the WhatsMiner M63S in terms of efficiency, and delivers higher stability and better suitability for hydro-cooled farm setups.
Performance Insights
- Solid Hashrate Growth: 319 TH/s for enhanced mining productivity.
- Optimized Power Usage: With 4785W consumption, the S21+ Hyd is among the more efficient hydro-cooled miners in its class.
- Industrial Design: Built for stable operation in professional farm environments with temperature variations between 5–40 °C.
Cooling Technology Advantages
Thanks to hydro-cooling, the S21+ Hyd ensures:
- Superior Heat Dissipation: Critical for running at maximum performance around the clock.
- Low Acoustic Impact: Noise level capped at 50dB, making it ideal for high-density installations.
- Extended Hardware Lifespan: Minimizing risks related to overheating, especially in hotter climates.
Release Timing and Strategic Benefits
Released in February 2025, the S21+ Hyd is perfectly timed for post-halving conditions when mining efficiency becomes even more critical. The hydro-cooled infrastructure ensures future-proof mining even as network difficulty rises.
Why Choose Bitmain Antminer S21+ Hyd
Key benefits of the Antminer S21+ Hyd include:
- High Hashrate at Lower Power Costs: 319 TH/s at only 4785W.
- Hydro-Cooling for Maximum Efficiency: Ideal for large-scale mining operations.
- Robust Environmental Adaptability: Operates seamlessly from 5 °C to 40 °C.
- Compact Size for Flexible Deployment: 410mm x 170mm x 209mm.
- Strong Profitability Outlook: Highly competitive post-2024 halving.
Bitcoin Prices History
Let’s examine the current state of Bitcoin (BTC), the cryptocurrency mined by the
Bitcoin Market Snapshot (As of April 26, 2025)
| Metric | Value |
|---|---|
| Current Price | $94,634.85 |
| All-Time High (ATH) / Low (ATL) | $108,786 / $67.81 |
| Market Capitalization | $1,878,811,803,428 |
| Fully Diluted Valuation (FDV) | $1,878,811,803,428 |
| Market Rank | #1 |
| Circulating Supply | 19,856,334 |
Bitcoin Price Trend
Bitcoin continues to show strength, rising 11.10% over the past week, outpacing the broader crypto market’s growth of 10.40%. This momentum provides a favorable environment for mining operations.
📌 All data as of April 26, 2025. For real-time updates, please refer to CoinGecko or other reliable sources.
Bitmain Antminer S21+ Hyd Profitability
Using today’s Bitcoin price and assuming an electricity rate of $0.045 per kWh, estimated daily mining figures for the S21+ Hyd are:
- Daily Mining Income: ≈ $15.60 (≈ 0.0002 BTC)
- Daily Electricity Cost: ≈ $5.14
- Net Daily Profit: ≈ $10.46 (≈ 0.0001 BTC)
- Electricity Cost Ratio: ≈ 32.9%
With relatively low electricity expenses and robust output, the S21+ Hyd proves to be a sound investment for strategic miners.
Mining Farm Operator Perspective
For large-scale operators, the S21+ Hyd brings:
- High Hashrate Density: More hashrate per cubic meter.
- Hydro-Cooling Stability: Ensures long-term deployment without costly interruptions.
- Strong ROI Potential: Particularly in regions with favorable electricity costs.
Future Perspective of Bitmain Antminer S21+ Hyd
Designed for the Future of Mining
As Bitcoin mining difficulty continues to climb post-halving, the Antminer S21+ Hyd’s combination of hashrate, efficiency, and hydro-cooling will allow mining farms to maintain competitiveness.
Long-Term Investment Strategy
The Antminer S21+ Hyd is positioned as a premium hydro-cooled miner ideal for those seeking a scalable and sustainable operation strategy into the next Bitcoin cycle.
FAQs on Antminer S21+ Hyd
What cryptocurrency does the Antminer S21+ Hyd mine?
Primarily Bitcoin (BTC).
Is the Antminer S21+ Hyd profitable now?
Yes. At current Bitcoin prices and energy rates, it generates a daily net profit of approximately $10.46.
Is the Antminer S21+ Hyd suitable for home use?
Not recommended. The power requirements and hydro-cooling setup make it ideal for professional mining farms rather than residential environments.
