Antminer S21 XP

The Antminer S21 XP delivers a typical hashrate of 270 TH/s for the SHA-256 algorithm, and a power consumption of around 3 645 W at 25 °C.

It achieves about 13.5 J/TH–joules per terahash–in standard conditions.

Input voltage range: 220–277 V AC, 50–60 Hz. Operation temperature: approx. -20 °C to +45 °C. Humidity (non-condensing): 10%–90%.

High power draw means you must ensure your electrical infrastructure can support ~3.6 kW plus adequate cooling. Ambient temperature and ventilation critically influence performance and lifespan. Because the miner is high-powered and new-generation, ensure warranty, genuine hardware and reliable cooling.

The S21 XP series was released around late 2024 / early 2025 as a next-generation SHA-256 miner from Bitmain, offering improved efficiency and higher hashrate compared to earlier S21 models.