The Bitmain Antminer T21 represents a significant leap forward in ASIC mining technology. Released as a robust alternative to the S21 series, the T21 is specifically designed to handle the rigors of high-performance mining while maintaining a competitive price-to-performance ratio. Antminer S21 200 TH/s
Unmatched Performance & Efficiency
With a hashrate of 186 TH/s, the Antminer T21 is one of the most productive Bitcoin miners available. It operates at an energy consumption of 3534W, achieving an efficiency of 19.0 J/T. This ensures that your operational costs remain low while your output remains high, even in a post-halving market environment.
Advanced Air-Cooling Technology
Unlike liquid-cooled models that require complex setups, the Antminer T21 (186 TH/s) utilizes a high-velocity air-cooling system.1 Equipped with four heavy-duty fans, it ensures optimal heat dissipation, extending the lifespan of the internal chips and maintaining stable performance during 24/7 operation.
Technical Specifications Overview
| Feature | Specification |
| Model | Antminer T21 (186 TH/s) |
| Algorithm | SHA-256 (Bitcoin, Bitcoin Cash) |
| Hashrate | 186 TH/s |
| Power on Wall | 3534W ±5% |
| Power Efficiency | 19 J/T |
| Cooling | 4 x 12038 Fans |
| Operating Temp | 0°C to 45°C |
| Connection | RJ45 Ethernet 10/100M |
Why Buy Antminer T21 from CryptoMiners24?
When you buy crypto mining hardware, reliability and support are paramount. CryptoMiners24 is your trusted partner for high-end ASIC miners.
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Verified Authentic Hardware: We source directly from Bitmain to guarantee 100% genuine products.
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Fast Global Shipping: Our logistics network ensures your Antminer T21 reaches you safely and quickly, no matter your location.
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Technical Support: Our team of experts is available to help you with the initial setup and optimization of your mining rig.
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Secure Payment Options: We accept various payment methods, including cryptocurrencies, for a seamless checkout experience.





