Bitmain Antminer Bitcoin Miner T21 190T 3610W
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Stable SHA-256 Bitcoin Mining with Rack-Ready Air-Cooling
The Bitmain Antminer T21 delivers 190Th/s SHA-256 performance with air-cooling, optimized for Bitcoin mining in cost-sensitive or space-constrained deployments. Drawing 3610W of power, it reaches 19J/Th in energy efficiency while maintaining thermal stability. As a result, this machine provides a practical balance of hashrate, cooling simplicity, and energy usage.
Designed for rack-mount configurations, the T21 integrates easily into containerized or traditional mining farms. It includes dual high-speed fans and thermal sensors to regulate internal airflow. Moreover, the reinforced frame design protects components during transit and extended field use, making it suitable for both indoor and semi-industrial operations.
190Th/s SHA-256 Performance with Air-Cooled Efficiency
- 190Th/s SHA-256 hashrate optimized for BTC
- 3610W power draw with 19J/Th energy performance
- Air-cooled layout reduces system complexity and cost
- Compact body fits standard 19” rack deployments
- Reliable ASIC build with consistent block processing
The Bitmain Antminer T21 provides dependable mining in environments where water-cooling is impractical. Its firmware includes real-time monitoring tools for fan speed, temperature, and load balancing. Operators can optimize output while reducing operational overhead and minimizing cooling infrastructure needs.
Additionally, the T21 helps extend component longevity by avoiding overheating spikes common in high-wattage systems. Its compact chassis and plug-and-play format simplify setup, while its power-to-hash ratio makes it competitive among air-cooled SHA-256 BTC miners in today’s efficiency-focused mining ecosystem.
Which Miner Should You Buy?
Choosing the right miner depends on your target coin, electricity cost, and expected ROI.
To help you decide, we’ve ranked the latest ASIC miners by profitability based on real-time market data. Whether you’re mining Bitcoin, Kaspa, or Alephium, our ranking table helps you find the most profitable mining hardware for your setup.
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- Price
- Hashrate
- Power
- Efficiency
- Algorithm
- Profitability
- Payback
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