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Rectangular metal mining unit with front grille and rear power sockets

bitmain

Bitmain Antminer S21 Pro 234Th/s mining hardware

SKU CH-QR9R-KDB4Q

SHA-256 ASIC miner delivers 234 Th/s at 3510 W for Bitcoin and compatible coins

  • SHA-256 mining at 234 Th/s maximum hashrate
  • 3510 W power draw for efficient operation
  • Bitmain manufacture ensures proven ASIC reliability
  • New condition unit ready for immediate deployment
  • Listed by manufacturer on 8 January 2026

Purpose-built SHA-256 miner

The Bitmain Antminer S21 Pro is a dedicated Bitcoin mining device that delivers a maximum hashrate of 234Th/s while drawing 3510W of power. It is built for operators who run the SHA-256 algorithm at scale and need a single, factory-tested unit.

Best for high-density farms, not for casual users

This hardware suits mining farms that can supply 3510W per unit and manage the heat and noise that come with continuous operation. It is not for buyers who want a quiet device for home use, who lack industrial-grade power distribution, or who mine algorithms other than SHA-256.

234Th/s at 3510W decides fit

The single specification that determines whether this is the right part is the 234Th/s hashrate paired with a 3510W power draw. If your facility cannot sustain that power level per miner, or if your profitability model requires a different efficiency point, this unit will not match the deployment.

Points forts

  • SHA-256 mining at 234 Th/s maximum hashrate
  • 3510 W power draw for efficient operation
  • Bitmain manufacture ensures proven ASIC reliability
  • New condition unit ready for immediate deployment
  • Listed by manufacturer on 8 January 2026

Caractéristiques

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Questions sur cet article

What power supply capacity is required to run the 3510W draw of the Antminer S21 Pro?

A power supply rated above 3510W is required to run the Antminer S21 Pro at its maximum hashrate of 234Th/s.

Can the SHA-256 algorithm on this miner work with existing Bitcoin mining pool infrastructure?

Yes, the SHA-256 algorithm is the standard for Bitcoin mining and is fully compatible with existing pool infrastructure.

How can I verify the unit is achieving the 234Th/s hashrate after setup?

Check the miner's dashboard or your mining pool dashboard to confirm a reported hashrate at or near 234Th/s.

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