Antminer S21 Pro – 245 TH/s
Antminer S21 Pro – 245 TH/s: High-Efficiency SHA-256 ASIC Miner for Bitcoin Mining
The Antminer S21 Pro is a top-tier ASIC miner built for the SHA-256 algorithm, delivering a powerful 245 TH/s hashrate for mining Bitcoin (BTC) and other SHA-256-based cryptocurrencies like Bitcoin Cash (BCH). With 15 J/TH efficiency and 3675W power consumption, it offers a great balance of performance and cost, ideal for small and large mining operations. Its advanced chips ensure high performance with low environmental impact, and its compact design fits easily into any setup. Choose shipping or hosting at $0.04/kWh electricity rates to boost profitability.
Historical and Projected Profitability
Profitability Chart: Based on April to August 2025 data, daily earnings range from $10 to $15 USD, averaging $12.81 with $0.04/kWh rates. The Antminer S21 Pro achieves ROI in 8-14 months, depending on Bitcoin prices and energy costs, with $12.81 daily profitability.
Vendor: ………….. Antminer
Brand: ……………. Bitmain (Antminer)
Model: ……………. Antminer S21
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Noise level: ……………………… 75 dB
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Energy Efficiency: ……………..15.0 J/TH
Operation Temperature: ……. 0℃ ~ 40℃ (32°F ~ 104°F)
Network Interface: ……….Ethernet
Plug/Socket type: ……….. C19 (20A strong PC connector)
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