Novel Liquid-Cooled Rack Integrates NVIDIA HGX B300 Platform

ASRock Rack has introduced the 4U16X-GNR2/ZC server at the OCP Global Summit 2025, featuring NVIDIA's HGX B300 platform with eight NVIDIA Blackwell Ultra GPUs and ZutaCore's HyperCool waterless liquid-cooling system. This system is designed for AI factories and high-performance computing, using a non-conductive dielectric fluid for heat dissipation, enhancing thermal management and energy efficiency. ASRock Rack also unveiled an air-cooled 8U16X-GNR2 and the 4UXGM-GNR2 CX8, along with the 4OU12N-AM5 OCP server powered by AMD EPYC 4005 for cloud-hosting environments. The integration of NVIDIA HGX B300 with liquid-cooling aims to address thermal challenges while enabling energy-efficient AI operations.