Bitmain S21 Pro 234TH, 15J/TH, 3510W

The Bitmain Antminer S21 Pro is a high-performance Bitcoin mining device optimized for the SHA-256 algorithm. It delivers a maximum hash rate of 234 terahashes per second (TH/s) while consuming 3,510 watts (W) of power, achieving an energy efficiency of 15 joules per terahash (J/TH). The miner's dimensions are 450 x 219 x 293 millimeters, and it weighs 20 kilograms. It operates effectively in temperatures ranging from -20 to 45 degrees Celsius and humidity levels between 10% and 90%. The S21 Pro features an advanced air-cooling system with a noise level of 76 decibels, ensuring efficient heat dissipation and stable performance. It connects via RJ45 Ethernet 10/100M for reliable network integration. As of March 13, 2025, with an electricity cost of $0.10 per kilowatt-hour, the Antminer S21 Pro generates an estimated daily profit of approximately $4.37.