Odaily Planet Daily News Bitmain launched two new models of its Antminer S21 series, the Antminer S21XP and S21XP Hydro, at the World Digital Mining Summit held in Las Vegas on June 17. The air-cooled S21XP has a computing capacity of 270 TH/s and an energy efficiency of 13.5 J/TH; the S21XP Hydro is equipped with water cooling and immersion cooling modes. The water cooling mode has a computing capacity of 473 TH/s and an energy efficiency of 12 J/TH, while the immersion cooling mode provides normal power mode and high energy mode. (TheMinerMag)