Bitmain Antminer S21 Pro Bitcoin ASIC miner. 234 TH/s hashrate with 15.0 J/TH efficiency (best-in-class). Generate $10-$13.50 daily profit at current Bitcoin prices. Professional-grade hardware with 365-day warranty. Latest Bitmain technology. Break-even in 8-10 months. Perfect for serious miners seeking maximum efficiency and cutting-edge performance.

Categories: Asic Miners

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Bitmain Antminer S21 Pro 234T Bitcoin ASIC Miner – 3510W Professional Mining Hardware 2025

The Bitmain Antminer S21 Pro 234T represents Bitmain’s latest generation professional Bitcoin mining solution, delivering 234 terahashes per second with exceptional 15.0 J/TH efficiency. This flagship model achieves an industry-leading power-to-performance ratio, making it the most efficient high-hashrate miner available in 2025.

Why Choose Antminer S21 Pro?

Industry-Leading Efficiency: 15.0 J/TH is the lowest power consumption per terahash for 234+ TH/s miners
Latest Generation: 2024-2025 Bitmain flagship with cutting-edge engineering
Exceptional Performance: 234 TH/s dedicated professional Bitcoin mining
Extended Warranty: 365-day warranty from Bitmain (industry standard for new models)
Proven Reliability: Bitmain’s track record of field-tested hardware
Global Deployment: Trusted by largest mining operations worldwide
Professional Build: Industrial-grade components for 24/7 operation
Optimal Balance: Best hashrate-to-efficiency ratio available
Strong Daily Revenue: $10-$13.50 USD (highly profitable daily earnings)
Future-Proof: Latest technology with 3-5 year profitable mining window

Why S21 Pro Matters

The S21 Pro enters Bitmain’s portfolio as the efficiency champion. While S21+ excels at pure hashrate, S21 Pro optimizes the power-to-performance equation. For miners with moderate-to-high electricity costs, S21 Pro offers superior profitability over time compared to higher-power alternatives.