The Bitmain Antminer S21 (200Th/s) is a next-generation Bitcoin ASIC miner engineered for reliable, cost-effective SHA-256 mining. Designed specifically for Bitcoin (BTC), the S21 series delivers a strong balance of hashrate, power efficiency, and proven Bitmain build quality—making it ideal for both professional mining farms and serious individual operators.

With a maximum hashrate of 200 TH/s and a power consumption of 3500W, the Antminer S21 achieves an efficiency rating of 17.5 J/TH, offering dependable performance in environments where power costs and infrastructure flexibility are critical. This makes the S21 a solid choice for miners looking to scale without the complexity of hydro or immersion cooling.

Released in January 2024, the Antminer S21 features a refined air-cooled design with dual high-performance fans, ensuring stable operation under continuous load. Its compact industrial chassis allows for easy rack or shelf deployment in standard mining facilities.

Backed by Bitmain’s globally trusted Antminer platform, the S21 (200Th) is well-suited for BTC mining farms, hosting providers, and independent miners seeking proven hardware with predictable performance.

Key Features

• 200 TH/s Bitcoin hashrate

• 17.5 J/TH energy efficiency

• Reliable air-cooled design

• Proven Antminer S21 platform

• Ideal for small-to-mid scale mining operations

• Compatible with standard mining infrastructure

• Optimized for SHA-256 / Bitcoin mining