At the OCP Summit in Dublin, Google revealed plans to enhance datacenter infrastructure to accommodate increasing AI processing demands. By shifting from traditional 48 VDC to a +/-400 VDC power distribution system, Google aims to support server racks with up to 1 MW loads, significantly higher than current levels. This change allows for better manufacturing economies tied to the EV industry. Additionally, Google is collaborating with Meta and Microsoft on the Mt Diablo project to streamline power distribution in racks, freeing space for more powerful GPU servers.
This is about much more than simply increasing power delivery capacity - selecting 400 VDC as the nominal voltage allows us to leverage the supply chain established by electric vehicles for greater economies of scale.
This project known as Mt Diablo is being developed in collaboration with Meta and Microsoft, promising that a 0.5 draft release of the specifications will be available for industry in May.
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