Bitmain Antminer S21 Bitcoin Miner 200TH/S | BT-MINERS

Antminer S21 Description

The Bitmain Antminer S21 delivers a dependable 200TH/s of SHA-256 mining performance with solid 17.5J/TH efficiency, making it a strong choice for Bitcoin miners seeking reliable output at a competitive price. Operating at around 3500W, the S21 provides a balanced combination of power and productivity suitable for growing farms and hosting environments. Its advanced chip design, stable airflow, and durable build ensure consistent 24/7 mining with reduced maintenance needs.

BT-MINERS offers fast worldwide delivery, secure checkout, and full factory warranty support to guarantee a smooth and trusted purchasing experience. For miners looking to expand capacity or enter Bitcoin mining with a cost-effective, stable ASIC, the Antminer S21 remains one of the most practical options.