Antminer S21+ Hyd – 358 TH/s
High-Performance Hydro-Cooled SHA-256 ASIC Miner for Bitcoin Mining
Product Overview
The Antminer S21+ Hyd is a next-generation SHA-256 ASIC miner engineered for high-performance Bitcoin mining. Delivering a hashrate of 358 TH/s with an energy efficiency of 18.1 J/TH, it achieves an excellent balance between computational power and energy consumption.
Featuring an advanced hydro-cooling system, the S21+ Hyd ensures stable operation, reduced noise levels, and extended hardware lifespan. Its compact yet powerful design makes it suitable for both large-scale mining farms and advanced individual miners seeking long-term profitability.
Performance Highlights
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Hashrate of 358 TH/s for SHA-256 mining
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Energy efficiency of 18.1 J/TH
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Power consumption of 5,370 W
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Optimized for Bitcoin (BTC), Bitcoin Cash (BCH), and other SHA-256-based cryptocurrencies
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Hydro-cooling system for stable, continuous operation
Historical and Projected Profitability
Based on data from April to August 2025 and a hosting electricity rate of $0.04/kWh:
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Daily profitability range: $15 to $23 USD
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Average daily profit: approximately $19.42 USD
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Estimated ROI: 8 to 13 months, depending on Bitcoin price, network difficulty, and electricity costs
Profitability figures are indicative and subject to market fluctuations.
Technical Specifications
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Vendor: Antminer
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Brand: Bitmain
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Model: Antminer S21+ Hyd
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Algorithm: SHA-256
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Supported coins: Bitcoin (BTC), Bitcoin Cash (BCH)
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Hashrate: 358 TH/s
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Power consumption: 5,370 W
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Energy efficiency: 18.1 J/TH
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Cooling system: Hydro-cooling
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Noise level: 75 dB
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Dimensions: 410 × 170 × 209 mm
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Operating temperature: 5°C to 45°C
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Network interface: Ethernet
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Power cord: Shipped according to client destination
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Release date: August 2025
Profitability and ROI Insights
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Earnings depend on Bitcoin price, network difficulty, and uptime
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Hosting simulations are based on $0.04/kWh electricity pricing
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Use the Profitability Calculator to model earnings under changing market conditions
Deployment Options: Shipping or Hosting
Shipping
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Global delivery via DHL, UPS, FedEx, or TNT
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Estimated delivery time: 5–7 days
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Secure packaging with full tracking
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Import taxes may apply depending on destination (for example, approximately 10 percent in the USA since April 2025)
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Bulk orders above $500,000 qualify for custom pricing
Hosting
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Available locations: USA, Dubai, Norway, Finland, Ethiopia, Nigeria
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Hosting electricity rate: from $0.04/kWh
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Fully managed operation with 24/7 monitoring and maintenance
Estimated ROI by Location
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USA: $0.065/kWh – 16.9 months
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Nigeria: $0.047/kWh – 13.92 months
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Ethiopia: $0.054/kWh – 14.94 months
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Dubai: $0.059/kWh – 15.77 months
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Finland: $0.069/kWh – 17.74 months
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Norway: $0.078/kWh – 17.97 months
Hosting Benefits
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7-year full warranty
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95 percent or higher uptime guarantee
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Deployment within 1 to 7 days
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Exchange services for fiat and cryptocurrencies
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0 percent mining fee, 100 percent of mined coins belong to you
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Elimination of infrastructure costs with access to low-cost electricity
Key Features and Benefits
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High hashrate combined with balanced energy efficiency
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Hydro-cooling for improved stability, lower noise, and longer hardware lifespan
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Advanced chip technology optimized for SHA-256 mining
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Compact and durable design for easy farm integration
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Secure firmware safeguards protecting mining operations
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Real-time monitoring with remote configuration capabilities
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Multi-coin support for SHA-256-based cryptocurrencies
Why Choose the Antminer S21+ Hyd
The Antminer S21+ Hyd sets a new standard in SHA-256 mining by combining high hashrate, hydro-cooling, and efficient power usage. It is an ideal solution for miners seeking to scale operations, reduce operational risk, and maximize long-term Bitcoin profitability.
Warranty, Shipping, and Support
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Warranty: 7 years for hosted miners, 12 months for shipped units (void if misused)
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Shipping: Worldwide delivery within 5–7 days with tracking; bulk orders receive custom quotes
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Payment options: Cryptocurrency and wire transfer; hosting fees deducted from mining revenue
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Customer support: 24/7 global assistance for setup, hosting, and troubleshooting
Pre-orders are open for August 1, 2025 delivery. Contact us for bulk orders, custom pricing, or hosting packages.
- Brand
- Model
- Algorithm
- Hashrate
- Power Efficiency
- Power Consumption
- Operating Temperature
- Cooling Method
- Noise Level
- Dimensions
- Connectivity
- Power Input
- Minable Coins
- Warranty





