Asic Bitmain Antminer S21 XP Hydro 473 TH/s. Used only 12 months
Bitmain Antminer S21 XP Hydro 473Th. A/S grade boards (Bitmain internal classification). This level of continuity, low reject rate and sustained hashrate over long periods is typically only achieved withhigh-quality, properly binned silicon.