Bitmain, a leading producer of cryptocurrency mining hardware, unveiled its highly anticipated Antminer S21 and Antminer S21 Hydro models at the World Digital Mining Summit in Hong Kong on September 22.br br The Antminer S21 boasts a hash rate of 200 terahashes per second with an energy efficiency rating of 17.5 joules per terahash. Let's have a closer look!br br Email:br sales001@apexto.com.