Nvidia(US:NVDA) 美股IPO·2025-12-29 00:19Core Insights - Nvidia is leading a significant shift in data center power architecture from traditional AC to 800V DC to support AI computing demands, with single rack power expected to reach 1MW by 2027 [3][5] - Goldman Sachs indicates that this transition will reshape capital expenditures in the industry, with liquid cooling and DC distribution becoming mainstream, leading to a restructuring of the supply chain [3][6] Transition to 800V DC Architecture - The core driver for the transition to 800V DC architecture is the exponential increase in power density requirements for modern AI racks, which are moving from tens of kilowatts to over 1MW, exceeding the limits of traditional systems [5] - Nvidia's new Vera Rubin NVL144 rack design incorporates liquid cooling technology and enhanced energy storage capabilities to manage the increased power demands [5][6] Infrastructure Overhaul - The shift to 800V DC will render traditional AC power distribution units and uninterruptible power supply systems largely unnecessary, reducing the need for AC PDU cabinets by up to 75% [6] - The "sidecar" model will be crucial for existing data centers to adapt during the transition period from 2025 to 2027, allowing for the conversion of AC to 800V DC [6] Supply Chain Restructuring - The transition to higher voltage standards is expected to increase revenue potential per megawatt from €2 million to €3 million for companies like Legrand [7] - The demand for advanced semiconductors, particularly silicon carbide (SiC) and gallium nitride (GaN), will rise as the industry moves towards 800V DC [8] Timeline and Costs - The full commercialization of the transition to 800V DC data centers is anticipated to align with the deployment of Nvidia's Kyber architecture, targeting 2027 for significant advancements [9] - Data center operators will face substantial investment requirements over the next five years to address the estimated $5 trillion AI funding gap and the infrastructure overhaul [9]