Overview
The Bitmain Antminer S21 Hyd (335Th) is a high-performance ASIC miner engineered for Bitcoin (BTC) mining using the SHA-256 algorithm. With a hashrate of 335Th/s and energy efficiency of 16j/Th, this hydro-cooled miner balances power and sustainability for modern mining operations.
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Key Features
- Hashrate: 335Th/s ±5%
- Power Consumption: 5360W ±5%
- Energy Efficiency: 16 joules per terahash (j/Th)
- Cooling System: Hydrocooling for reduced noise (50dB) and enhanced thermal management
- Dimensions: 410 × 170 × 209mm (compact for industrial setups)
Profitability Analysis
Factors Affecting ROI:
- Electricity Costs: At $0.10/kWh, daily power expenses approximate **$12.86**.
- Mining Difficulty: Fluctuations in Bitcoin network difficulty impact earnings.
- Pool Fees: Typically 1–3% of mined rewards.
Example Scenario:
- Daily Revenue: ~$45 (varies by BTC price and network conditions).
- Break-Even Period: ~6–8 months (assuming $4,500 unit cost).
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bitmain |
| Model | Antminer S21 Hyd (335Th) |
| Release Date | February 2024 |
| Operating Temp | 5°C – 45°C |
| Humidity Range | 5% – 95% (non-condensing) |
| Interface | Ethernet |
Where to Buy?
Here’s a curated list of trusted vendors:
| Vendor | Price Range | Location | Availability |
|---|---|---|---|
| Apexto Mining | $4,200 – $4,600 | Hong Kong | In Stock |
| BT-Miners | $4,500 | United States | In Stock |
| MillionMiner | €5,999 (~$6,500) | Germany | In Stock |
FAQ Section
1. Is the Antminer S21 Hyd suitable for home mining?
- Due to its 5360W power draw and hydro-cooling requirements, it’s better suited for industrial setups with dedicated cooling infrastructure.
2. What coins can this miner mine?
- Primarily Bitcoin (BTC) and other SHA-256-based cryptocurrencies like Bitcoin Cash (BCH).
3. How does hydro-cooling compare to air cooling?
- Hydro-cooling offers quieter operation (50dB) and better heat dissipation, prolonging hardware lifespan.
4. What’s the expected lifespan of this miner?
- With proper maintenance, 3–5 years, though ROI typically occurs within the first year.
5. Are there warranties available?
- Most vendors offer 6–12 month warranties; check with the seller for specifics.
Final Thoughts
The Antminer S21 Hyd (335Th) stands out for its energy efficiency and hydro-cooling innovation. While upfront costs are significant, its long-term profitability potential makes it a compelling choice for serious miners. Always calculate your local electricity rates and mining pool fees before investing.
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