Antminer S21 Pro – 234 TH/s
High-Efficiency SHA-256 ASIC Miner for Bitcoin Mining
Product Overview
The Antminer S21 Pro is a high-efficiency SHA-256 ASIC miner designed for reliable and scalable Bitcoin mining. Delivering a hashrate of 234 TH/s with an energy efficiency of 15 J/TH, it offers an optimal balance between performance and power consumption, making it suitable for both small-scale miners and large industrial mining operations.
Powered by advanced chip technology, the S21 Pro delivers consistent hash power while minimizing operational costs and environmental impact. Its compact and durable design allows seamless integration into a wide range of mining environments, whether deployed on-site or through professional hosting facilities.
Performance Highlights
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Hashrate of 234 TH/s optimized for SHA-256 mining
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Energy efficiency of 15 J/TH
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Power consumption of 3,510 W
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Designed for Bitcoin (BTC) and other SHA-256-based cryptocurrencies
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Stable air-cooled operation for continuous mining
Historical and Projected Profitability
Based on data from April to August 2025 and an electricity rate of $0.04/kWh:
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Daily profitability range: $10 to $15 USD
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Average daily profit: approximately $12.81 USD
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Estimated ROI: 8 to 14 months, depending on Bitcoin price, network difficulty, and energy costs
Profitability figures are indicative and subject to market fluctuations.
Profitability and ROI Insights
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Earnings depend on Bitcoin market conditions and network difficulty
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Hosting calculations assume electricity rates as low as $0.04/kWh
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Use the Profitability Calculator for daily, monthly, and annual projections
Deployment Options: Shipping or Hosting
Shipping
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Direct delivery for self-managed setups
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Global shipment from Shenzhen via DHL, UPS, FedEx, or TNT
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Estimated delivery time: 5–7 business days
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Secure packaging with tracking and protective labeling
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Duties and taxes may apply depending on destination
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Bulk orders over $500,000 qualify for custom pricing
Hosting
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Available locations: USA, Dubai, Norway, Finland, Ethiopia, Nigeria
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Electricity rates starting from $0.04/kWh
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Fully managed operation with professional maintenance and 24/7 monitoring
Estimated ROI by Location
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USA: $0.065/kWh – 14.8 months
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Nigeria: $0.047/kWh – 12.48 months
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Ethiopia: $0.054/kWh – 13.29 months
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Dubai: $0.059/kWh – 13.93 months
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Finland: $0.069/kWh – 15.44 months
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Norway: $0.078/kWh – 17.09 months
Hosting Benefits
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7-year full warranty on hosted miners
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95 percent or higher uptime
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Deployment within 1 to 7 days
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Exchange services for fiat currencies and cryptocurrencies
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0 percent mining fee, 100 percent of mined coins belong to you
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Elimination of local infrastructure costs with access to low-cost electricity
Key Features and Benefits
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High SHA-256 hashrate with efficient power usage
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Advanced chip technology for consistent Bitcoin mining performance
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Compact and durable design suitable for rack or standalone deployment
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Built-in security safeguards protecting mining assets
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User-friendly web-based monitoring with real-time metrics
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Optimized for pooled mining and multi-coin SHA-256 strategies
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Reliable Ethernet connectivity for remote management
Why Choose the Antminer S21 Pro – 234 TH/s
The Antminer S21 Pro combines strong SHA-256 performance, efficient energy consumption, and a miner-friendly design. Its flexibility in deployment, competitive hosting rates, and robust operational stability make it a reliable choice for miners focused on maximizing Bitcoin profitability in both self-managed and hosted environments.
Warranty, Shipping, and Support
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Warranty: 7 years for hosted units, 12 months for shipped units (void if misused or modified)
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Shipping: Worldwide delivery within 5–7 business days with tracking
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Payment options: Cryptocurrency or wire transfer; hosting electricity can be prepaid, postpaid, or deducted from mining revenue
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Customer support: 24/7 human assistance for setup, hosting, troubleshooting, and investment guidance
Pre-orders are open for August 1, 2025 release. Contact us for bulk pricing, hosting packages, or custom deployment solutions.
- Brand
- Model
- Algorithm
- Hashrate
- Power Efficiency
- Power Consumption
- Operating Temperature
- Cooling Method
- Noise Level
- Dimensions
- Connectivity
- Power Input
- Minable Coins
- Warranty





