Bitdeer Technologies Group has launched its latest SEALMINER A4 series Bitcoin mining rigs, achieving a new benchmark in energy efficiency with the A4 Ultra Hydro model at 9.45 J/TH. Developed with Bitdeer’s proprietary SEAL04 chips, the series includes three models: the air-cooled A4 Pro Air and two hydro-cooled versions, A4 Pro Hydro and A4 Ultra Hydro, designed for diverse mining environments.
The rigs offer high hashrates—up to 886 TH/s for the A4 Ultra Hydro—while maintaining low noise levels and advanced thermal management, making them suitable for large-scale operations. Bitdeer emphasizes consistent uptime, operational stability, and energy efficiency, supporting miners in reducing overhead costs.
Headquartered in Singapore, Bitdeer continues to expand its global footprint with data centers across the U.S., Norway, Bhutan, and Ethiopia, integrating AI and Bitcoin mining infrastructure into its solutions. The SEALMINER brand exemplifies Bitdeer’s focus on innovation, efficiency, and reliability in the mining industry.