Resumen de la solución
Rack de alimentación de 800 V CC
AI workloads are having a profound effect on data center infrastructure, pushing traditional power and cooling systems to their limits and reshaping the facilities themselves. Accommodating faster compute and megawatt-class racks demands more than incremental improvements. Bringing the next generation of infrastructure to market requires close collaboration among data center operators, suppliers, and manufacturers. NVIDIA and a growing ecosystem of technology and infrastructure providers are leading the shift to an open 800 VDC architecture for next-generation AI factories that will enable more efficient, cost-effective power distribution from grid to GPU.
A more efficient path from grid to GPU
The case for 800 VDC begins with straightforward electrical principles. Raising distribution voltage allows the same amount of power to be delivered at substantially lower current than traditional 48-54 VDC designs require. Converting grid-delivered, three-phase AC power to 800 VDC for distribution to racks then enables DC/DC step-down conversion closer to servers, processors, and memory modules. This simplifies the power path by optimizing conversion stages between the grid and the compute. The result is lower resistive losses, less copper, smaller conductors, and fewer components, ultimately helping more of the available power reach the compute.
As NVIDIA notes in its latest 800 VDC roadmap blog, every generation of accelerated computing demands more from the infrastructure supporting it. The shift calls for coordinated innovation across power conversion, protection, distribution, energy storage, compute, and cooling. NVIDIA has laid out a practical path for adoption through DSX reference designs that support the transition from AC infrastructure through hybrid architectures and, ultimately, to native 800 VDC facilities. This gives operators multiple on-ramps to higher-density computing while helping preserve existing investments in land, power rights, and facility infrastructure. NVIDIA is working with ecosystem partners to establish common interfaces and build a supply chain around open 800 VDC specifications.
