Bitmain Antminer S21 Pro — 245 TH/s (Air‑Cooled)

High‑performance SHA‑256 Bitcoin miner engineered by Bitmain for maximum efficiency and reliability.

Key Features

• Hashrate bin: 245 TH/s
• Efficiency: 15.0 J/TH (typical)
• Power on wall: 3510 W (reference)
• PSU: Integrated, auto‑range

Specifications

• Cooling: Air-cooled
• Algorithm: SHA-256 (BTC/BCH)
• Voltage: 200–240V AC
• Network: RJ45 Ethernet 10/100M
• Operating Temp: 0–40 °C
• Humidity: 10–90% (non‑condensing)

Notes: Efficiency/power are typical values and may vary ±3–5%.