Bitmain has unveiled its latest water-cooled mining rig packages, AR1901 and AR1902. The AR1901 package includes one ANTRACK V2-EC2-DT unit paired with four ANTMINER S19 XP+ Hyd. miners, designed for distributed computing scenarios and plug-and-play deployment. Meanwhile, the AR1902 package features the ANTRACK V2-EC4-DTHP unit with the same miners, offering an integrated solution for computing power and heating, ensuring stable mining returns while providing heat.