Bitmain S21 XP 270TH, 13.5J/TH, 3645W

The Bitmain Antminer S21 XP is a high-performance Bitcoin mining device designed for the SHA-256 algorithm. It offers a maximum hash rate of 270 terahashes per second (TH/s) and consumes 3,645 watts (W) of power, resulting in an energy efficiency of 13.5 joules per terahash (J/TH). The miner's dimensions are 449 x 219 x 293 millimeters, and it weighs 18.7 kilograms. It operates effectively in temperatures ranging from -20 to 45 degrees Celsius and humidity levels between 10% and 90%. The S21 XP 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 XP generates an estimated daily profit of approximately $7.69.