The Bitmain Antminer S21 is a state-of-the-art ASIC miner engineered for efficient Bitcoin mining using the SHA-256 algorithm. With a formidable hashrate of 200 TH/s and a power consumption of 3,500W, it achieves an impressive energy efficiency of 17.5 J/TH, positioning it among the top choices for cryptocurrency miners.
Key Specifications:
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Algorithm: SHA-256
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Hashrate: 200 TH/s
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Power Consumption: 3,500W
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Energy Efficiency: 17.5 J/TH
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Noise Level: 75 dB
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Dimensions: 400 mm (L) x 195 mm (W) x 290 mm (H)
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Weight: 15.4 kg
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Cooling System: Dual fan air-cooling
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Operating Temperature: 0°C to 40°C
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Humidity Range: 10% to 90% non-condensing
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Network Interface: Ethernet 10/100M
Released in March 2024, the Antminer S21 is designed to mine Bitcoin (BTC) and other SHA-256-based cryptocurrencies such as Bitcoin Cash (BCH) and Bitcoin SV (BSV). Its compact design and robust build quality make it suitable for both large-scale mining operations and individual miners seeking high performance.
The device operates at a noise level of 75 dB, which is standard for high-performance ASIC miners. Its efficient air-cooling system, comprising two fans, ensures optimal thermal management, maintaining stable performance during prolonged mining sessions.
For connectivity, the Antminer S21 utilizes a standard Ethernet interface, ensuring reliable network communication. It is compatible with a wide range of power inputs, operating within a voltage range of 220V to 277V AC, and supports an input frequency range of 47Hz to 63Hz.
In summary, the Bitmain Antminer S21 offers a compelling combination of high hashrate, energy efficiency, and reliability, making it a premier choice for miners aiming to maximize profitability in Bitcoin mining.