Bitmain Antminer S21 Pro

Bitmain Antminer S21 Pro – SHA256 Miner for BTC, BCH, and BSV

The Antminer S21 Pro is a high performance SHA256 ASIC miner built for professional Bitcoin operations. It delivers strong efficiency, stable output, and reliable thermals, making it a solid choice for mining BTC, BCH, and BSV at scale.

Key Features

• Algorithm: SHA256 (BTC, BCH, BSV)

• Hashrate: 220–234 TH/s (±3%)

• Power Consumption: 3300–3510W (±5%)

• Power Efficiency: 15 J/TH

• Noise Level: 76 dB at 30°C

• Network: RJ45 Ethernet 10/100M

Technical Specifications

• Power Input: 220–277V AC, 50–60Hz, max 20A (single phase)

• Operating Temperature: –20°C to 45°C

• Storage Temperature: –20°C to 70°C

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

• Altitude Limit: Up to 2000m (reduce max operating temperature by 1°C per 300m above 900m)

• Dimensions (without package): 450 × 219 × 293 mm

• Dimensions (with package): 630 × 350 × 430 mm

• Net Weight: 18.5 kg

• Gross Weight: 21.5 kg

Important Notes

• Use the correct input voltage (220–277V) to prevent equipment damage.

• Hashrate, power draw, and efficiency may show minor variation based on environment.

• Noise levels increase when fans run at maximum speed.