Bitmain Antminer S21 188TH/s Bitcoin Miner

High-Efficiency Bitcoin Mining with Antminer S21

The Bitmain Antminer S21 188TH/s is a next-generation SHA-256 ASIC miner designed for efficient Bitcoin (BTC) mining. Released in March 2024, this model delivers a hashrate of 188 TH/s, making it a powerful option for professional mining farms and industrial-scale operations.

It is built for miners who require high performance, stable output, and long-term reliability.

Optimized for SHA-256 Algorithm

The Antminer S21 is engineered specifically for the SHA-256 algorithm, ensuring full compatibility with Bitcoin and other SHA-256-based cryptocurrencies.

It delivers consistent performance under continuous 24/7 operation, making it suitable for large-scale mining environments.

Strong Hashrate with Efficient Power Usage

The miner consumes approximately 3290W of power, offering a strong balance between energy efficiency and mining performance.

This allows miners to maximize output while maintaining controlled operational costs.

It operates on a 12V internal power system, optimized for stable and efficient energy delivery.

Advanced Air-Cooling System

The Antminer S21 uses a robust air-cooling system with four high-speed fans, ensuring stable thermal performance during heavy workloads.

This helps maintain consistent hashrate output even under demanding mining conditions.

Built for Industrial Mining Farms

Manufactured by Bitmain, the S21 is designed for durability, stability, and long-term operation.

Its reinforced structure and optimized chip architecture make it ideal for professional mining farms and hosting facilities.

Ideal Use Case

The Antminer S21 is ideal for miners focused on Bitcoin profitability and high-efficiency SHA-256 mining.

Key advantages include:

• 188 TH/s hashrate
• Optimized SHA-256 performance
• Stable 24/7 operation
• Industrial air cooling
• High-efficiency design
• Bitmain build quality