Antminer S21+ – 235 TH/s
Antminer S21 – 235 TH/s: Advanced Air-Cooled SHA-256 ASIC Miner for Optimal Cryptocurrency Mining
The Antminer S21 is a high-performance ASIC miner designed for the SHA-256 algorithm, delivering a 235 TH/s hash rate for mining Bitcoin (BTC) and other SHA-256-based cryptocurrencies such as Bitcoin Cash (BCH). It features an air-cooling system with high-speed fans for efficient thermal management and an energy efficiency of 15.17 J/TH, making it suitable for extended runtime with reduced power costs. Deployment options include direct shipping to your home or hosting in our facilities for access to low electricity rates starting at $0.04/kWh, enabling hands-off operation with professional maintenance.
Historical and Projected Profitability and Earnings
Review historical and projected trends with our Profitability Chart, showing daily earnings ranging from $10 to $20 USD based on data from April to August 2025.
Vendor: ………….. Antminer
Brand: ……………. Bitmain (Antminer)
Model: ……………. S21
Hashrate: ………..
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Dimensions: …………..
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Noise level: ……………………… 70 dB
Power consumption ………….
Energy Efficiency: ……………..15.16 J/TH
Operation Temperature: ……. 0℃ ~ 40℃ (32°F ~ 104°F)
Network Interface: ……….Ethernet
Plug/Socket type: ……….. P33 connector 6 pin (1-3 phases like S21 miner)
Power
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