ServeTheHome recently took an in-depth look at the ASRock Rack 4U16X-GNR2, a next-generation NVIDIA HGX B300 AI server, highlighting both its traditional direct liquid cooling (DLC) design and the ZutaCore-powered waterless alternative. The review showcases how ZutaCore's two-phase direct-to-chip cooling technology delivers high-performance thermal management without water in the cooling loop, offering a simpler, safer path to deploying dense AI infrastructure.