Overview of the Antminer S21
The Antminer S21 (200Th) by Bitmain represents the pinnacle of Bitcoin mining technology, combining raw power with energy efficiency. Designed for professional miners, this SHA-256 algorithm-based machine delivers an impressive 200 TH/s hashrate while maintaining a power consumption of 3550W, setting a new standard for profitability in cryptocurrency mining.
Why Choose the Antminer S21?
- Unmatched Efficiency: With a power efficiency of 17.5 J/TH, the S21 outperforms most competitors in its class.
- Enterprise-Grade Reliability: Built by Bitmain, the global leader in mining hardware.
- Simplified Operations: Plug-and-play setup with intuitive monitoring interfaces.
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Technical Specifications
| Feature | Detail |
|---|---|
| Hashrate | 200 TH/s |
| Power Consumption | 3550W |
| Algorithm | SHA-256 |
| Compatible Coins | BTC, BCH, BSV |
| Noise Level | 75db |
| Dimensions | 570 × 316 × 430 mm |
| Weight | 17.1 kg |
| Operating Temperature | 0–45°C |
Optimal Mining Conditions
To maximize the Antminer S21's performance:
- Maintain ambient temperature below 40°C
- Ensure proper ventilation (4 fans included)
- Use stable 220–277V power input
- Note altitude adjustments (1°C reduction per 300m above 900m)
Purchasing Considerations
- Payment: Full payment required upfront
- Shipping: 25% tariff applies for US imports
- Warranty: 365-day coverage from shipment date (Bitmain-direct purchases only)
- Customs: Buyers responsible for documentation and clearance
FAQ
Q: What makes the S21 more efficient than previous models?
A: The S21's improved chip design and cooling system deliver 17.5 J/TH efficiency – nearly 20% better than the S19 series.
Q: Can I use this miner for altcoins?
A: Yes, any SHA-256 algorithm cryptocurrency (BTC, BCH, BSV) is compatible.
Q: What's included in the package?
A: The miner, power supply unit (PSU), and all necessary components for immediate operation.
Q: How loud is the Antminer S21?
A: At 75db, it's comparable to a vacuum cleaner – professional mining facilities recommended.
Warranty Details
Bitmain's warranty covers:
- Manufacturing defects
- Normal wear and tear
- Free replacement shipping
Exclusions: Damage from improper voltage, unauthorized modifications, or resale to third parties.
Final Thoughts
For serious miners prioritizing efficiency and reliability, the Antminer S21 (200Th) represents the current gold standard in Bitcoin mining hardware. Its combination of high hashrate and energy-conscious design makes it particularly valuable as mining difficulty increases.