--- title: "War of the Currents 2.0: Nvidia, Google, and Microsoft Unite to Shift AI Data Centers to Direct Current" description: "🌩️ War of the Currents 2.0: Nvidia, Google, and Microsoft announce the shift of AI centers to 800V Direct Current. Alternating Current, which won in the 19th century, is becoming a bottleneck for modern chips. The new standard promises to reduce energy losses and simplify cooling. #Nvidia #AI #TechNews" date: 2026-08-16T20:57:17.000Z lang: en url: https://xab.info/en/posts/war-of-the-currents-2-0-nvidia-google-microsoft-800v-dc-ai-data-centers tags: [nvidia, google, microsoft, ai-infrastructure, data-centers, energy-efficiency, ocp] publisher: "XAB.info" --- # War of the Currents 2.0: Nvidia, Google, and Microsoft Unite to Shift AI Data Centers to Direct Current ![Symbolic illustration of 'War of the Currents 2.0': Nikola Tesla and George Westinghouse watch as powerful Nvidia Blackwell servers running on direct current (DC) dominate over the old era of alternating current (AC) in the AI age.](https://xab.info/media/2026/08/17/nvidia-google-microsoft-800v-dc-ai-data-centers/nvidia-google-microsoft-800v-dc-ai-data-centers-1.webp) ## 🎯 Key Points - Nvidia, Google, and Microsoft have united within OCP to standardize 800V DC power supply. - The transition to Direct Current is necessary to reduce energy losses and increase the density of AI systems. - More than 80 companies are already developing equipment compatible with the new standard. - The transition will require the modernization of existing data center energy infrastructure. On August 17, 2026, the world of technological infrastructure is experiencing a historic turning point. Three industry giants—Nvidia, Google, and Microsoft—have announced a strategic alliance within the Open Compute Project (OCP) framework. Their goal is ambitious and fundamental: to accelerate the global transition of artificial intelligence data centers (DCs) to an 800V Direct Current (DC) power architecture. This event, which experts are already calling the "War of the Currents 2.0," challenges the dominance of Alternating Current (AC), which won over a century ago, in an era where computational density is growing exponentially. ### Why has Alternating Current become a bottleneck for AI? For decades, Alternating Current (AC) has been the de facto standard for electricity transmission, but in modern hyperscale data centers, it has become a serious limitation. Modern AI systems, especially those running on Blackwell architecture chips and subsequent generations, require colossal amounts of energy per rack. Traditional AC distribution schemes require multiple conversions (AC-DC at the input, DC-DC inside the server), leading to energy losses and excess heat generation. Furthermore, the high currents required to power dense servers at standard voltages necessitate the use of thick copper cables, complicating cooling and logistics within the data center. ### The 800V Standard: Solving the Density Problem The new standard promoted by the alliance is based on 800V Direct Current. The physics of the process are simple and effective: increasing the voltage allows the same power to be transmitted at a significantly lower current. This offers several critical advantages. First, it reduces the load on cables and conductors, allowing for thinner and lighter connections. Second, it reduces the number of power conversion points, increasing the overall efficiency of the system. Third, it paves the way for scaling AI system density without requiring each operator to develop unique, incompatible engineering solutions. ### Open Compute Project Strategy: Unification Instead of Monopoly It is important to note that Nvidia, Google, and Microsoft are not trying to create a closed proprietary standard. Their goal is to develop a common set of interfaces and system requirements that will become an open standard for the entire industry. This will allow data center operators to safely deploy equipment from different vendors, and suppliers to create compatible products without reinventing the wheel. In a press release published today, the companies emphasized that more than 80 partner companies are already developing infrastructure compatible with 800V DC, indicating market maturity and readiness for the transition. ### Contradictory Data and Implementation Challenges Despite the optimism of the giants, industry experts point out the complexities of the transition. The main point of tension is the inertia of existing infrastructure. Most power grids and transformer substations worldwide are designed for Alternating Current. The transition to 800V DC will require not just replacing servers, but a fundamental restructuring of power distribution systems within data centers. Additionally, there are disagreements regarding safety: high-voltage DC is harder to break in an emergency than AC, requiring the implementation of new types of circuit breakers and protection systems. There is currently no consensus on how quickly this transition can occur in regions with outdated energy infrastructure. ## 🔍 Fact-Check Verification - [NVIDIA, Google and Microsoft Push 800 VDC AI Platforms for Second Half of 2026](https://onmsft.com/news/nvidia-google-and-microsoft-push-800-vdc-ai-platforms-for-second-half-of-2026/) - Подтверждает участие трех компаний, цель перехода на 800V DC и упоминание Open Compute Project. - [Google, Microsoft and Nvidia back 800V DC standard for AI data centers](https://www.networkworld.com/article/4209380/google-microsoft-and-nvidia-back-800v-dc-standard-for-ai-data-centers.html) - Подтверждает технические детали: 800V DC, снижение потерь, упрощение распределения энергии. ## ❓ FAQ ### Q: Why are AI centers switching to Direct Current? **A:** High-voltage Direct Current (800V) allows more energy to be transmitted with less loss and using thinner cables, which is critical for dense AI systems. ### Q: Who initiated this transition? **A:** The initiative was led by Nvidia, Google, and Microsoft within the Open Compute Project (OCP) framework. ### Q: How many companies already support the new standard? **A:** As of August 2026, more than 80 companies are developing infrastructure compatible with 800V Direct Current.