Bitmain Antminer S21 (188 TH/s) – SHA-256 ASIC Miner

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The Antminer S21 is Bitmain’s next-generation SHA-256 mining powerhouse, delivering unmatched performance and efficiency for serious Bitcoin, Bitcoin Cash, and BSV miners.

Engineered for maximum profitability, the S21 offers a high hashrate of 188 TH/s while maintaining excellent energy efficiency at 17.5 J/TH. It’s the perfect choice for industrial-scale mining operations and advanced home miners seeking reliability and power.

Key Specifications:

• Hashrate: 188 TH/s

• Algorithm: SHA-256 (BTC/BCH/BSV)

• Power Consumption: 3290W ±10%

• Power Efficiency: 17.5 J/TH @25°C

• Input Voltage: 220V–277V AC

• Network Interface: Ethernet (RJ45, 10/100M)

Design & Build:

• Miner Dimensions: 400 x 195 x 290 mm (without packaging)

• Shipping Dimensions: 570 x 316 x 430 mm

• Net Weight: 15.4 kg

• Gross Weight: 17.2 kg

Environmental Requirements:

• Operating Temperature: 0°C to 45°C

• Storage Temperature: -20°C to 70°C

• Humidity Range: 10%–90% (non-condensing)

• Maximum Operating Altitude: ≤ 2000 m

Why Choose the Antminer S21?
✔️ Ultra-Efficient – Ideal for reducing power costs
✔️ High Performance – One of the most powerful SHA-256 miners on the market
✔️ Rugged Build – Designed for long-term operation in industrial settings