NVIDIA 800VDC White Paper 2.0: Industry Adaptation and Implementation for AI Factory Deployment
2026-08-23 · Compiled by Best IT Parts from public industry reporting
800VDC power distribution is redefining how data centers are powered: by raising the bus voltage and lowering current, it overcomes the efficiency, loss, and scalability limits of conventional low-voltage architectures while delivering far higher per-rack power. The second edition of NVIDIA's 800VDC white paper shifts from concept evaluation to co-execution, establishing a unified system architecture framework, defining the customer-operated equipment ecosystem, and developing system-level simulation and verification methods to accelerate device development and pilot deployments for scalable AI factories. The paper details flexible AC/800VDC powering architectures — rack-level adaptation, row-level rectification, and data-hall floor rectification — alongside the Google, Microsoft, and NVIDIA collaboration announced at GTC Taipei 2026, and NVIDIA's rack power roadmap from 54VDC (GB200/GB300, up to 145kW) to the Vera Rubin NVL72 (330kW) and beyond. For power supply OEMs and data center parts wholesalers, it is a key reference on where server PSU and rack power platforms are headed.
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