The rapidly evolving landscape of artificial intelligence demands robust infrastructure capable of handling increasingly complex applications and processing needs. Major technology players like Google, Meta, and Microsoft are joining forces to spearhead groundbreaking initiatives that may define the future of AI workloads. At the 2025 OCP EMEA Summit, these companies jointly unveiled strategic measures to drive innovation in developing high-density IT racks, aiming to ultimately reach densities of up to 1 megawatt. This ambitious endeavor responds to the growing demand for efficient power distribution and advanced cooling solutions to meet the challenges posed by AI workloads. The Mount Diablo project—a collaborative effort involving these tech giants—underscores their commitment to revolutionizing the way power components are disaggregated from IT racks, fostering improved space optimization and enhanced performance capabilities. As the industry anticipates rack densities that may exceed 500kW soon, the progression towards achieving the 1MW threshold is expected to redefine the landscape of data center design and operation.
Advancements in Power Distribution
The drive to redefine power distribution systems for high-density racks is at the heart of the collaboration between Google, Meta, and Microsoft. The Mount Diablo project represents a pivotal initiative in this domain, aiming to separate power components from the IT infrastructure to maximize space utilization and efficiency. As rack densities surge toward and beyond 500kW, the demand for innovative solutions becomes imperative. These companies recognize the need to rethink traditional approaches to accommodate such high wattages, thereby laying the groundwork for a transformative future in data center configuration and management.
The Mount Diablo project involves developing progressive strategies that focus on decoupling power elements from the core computing components of IT racks. By adopting this approach, more room is available for computational modules, which are critical for handling demanding AI tasks. This development is particularly relevant as Google, Meta, and Microsoft are committed to standardizing the electrical and mechanical interfaces of this sophisticated power distribution system through cooperation with the broader Open Compute Project (OCP) community. Collaboratively producing draft specifications for industry feedback, the companies seek to set a benchmark for open collaboration and forward-thinking standardization, fostering continual advancements in power distribution technologies.
The Role of AC-to-DC Sidecar Power Rack
A key innovation shaping the future of high-density IT racks is the development of the AC-to-DC sidecar power rack. This advanced technology emerges as a game-changer, converting conventional AC inputs into 400V DC power, a move that significantly boosts efficiency and optimizes space for essential computational components. By separating these power conversion units, IT racks can prioritize the integration of AI accelerators and other vital computing hardware, enhancing the performance of data centers equipped to handle complex AI workloads. This AC-to-DC power conversion method, spearheaded by Google, Meta, and Microsoft, is designed to set new industry standards for efficiency and space utilization. By issuing standardized specifications through the Open Compute Project community, the collaborative effort aims to harmonize best practices across the industry. Such initiatives are crucial in addressing the need for higher density infrastructure that can accommodate increasingly intricate applications. As AI continues to drive computational demand, the adoption of these innovative systems represents a proactive step towards ensuring optimal functionality and sustainability in future data center designs.
Google’s Contribution and Power Evolution
Google has historically favored 48V DC power systems within its IT racks, a practice that has demonstrated efficacy within the 10kW to 100kW range. However, as data center demands escalate, Google recognizes the necessity for adapting to higher voltage DC power distribution solutions. Madhusudan Iyengar, Google’s Principal Engineer, forecasts a dynamic shift in power systems as rack density requirements intensify. With competition for every cubic millimeter of rack space, the pressure mounts to innovate by externalizing support infrastructure solutions that meet evolving operational demands.
To further propel power evolution, Google has engaged in Project Deschutes, contributing essential specifications to promote wider adoption of liquid cooling technology within the OCP. Such cooling solutions are instrumental in sustaining high density and efficiency, particularly as AI workloads grow increasingly sophisticated. Google’s strategic effort accentuates the dual importance of efficient power and cooling management, easing pressures amid heightened computational needs. Demonstrating its commitment to innovation, Google’s initiative provides a framework for balancing heat management with performance efficiency, ensuring seamless operations across high-demand environments.
Liquid Cooling Innovations
With AI workloads expected to continually increase in complexity, incorporating advanced liquid cooling technologies is essential for maintaining system efficiency and reliability. Google, Meta, and Microsoft have each embarked on innovative pathways to integrate liquid cooling solutions that support high computational capacities. Google’s Project Deschutes stands out as a state-of-the-art cooling architecture, providing integral redundancy within global data centers and sustaining impressive availability metrics. Ensuring uptime across extensive AI processing environments, these systems utilize in-row coolant distribution units and enhance overall cooling efficacy. Liquid cooling systems not only promote operational consistency but also offer redundancy features, showcasing the companies’ commitment to maintaining reliability within expansive computing ecosystems. By isolating the liquid loop of IT racks from the facility loop, Google’s approach ensures uninterrupted cooling processes, a critical component for high-density environments accommodating advanced AI algorithms. By releasing the fifth-generation CDU specifications to the Open Compute Project community, Google aims to stimulate industry-wide adoption and ongoing innovation in cooling solutions, ultimately enhancing data center performance at scale.
Meta and Microsoft’s Cooling Strategies
Beyond Google’s contributions, both Meta and Microsoft have implemented groundbreaking liquid cooling solutions tailored to accommodate high-density IT infrastructures. Microsoft’s liquid cooling sidepod solution exemplifies adaptable technology, integrating seamlessly into existing data centers without requiring facility water system modifications. This innovative approach bolsters the efficiency of various AI accelerator racks, underscoring Microsoft’s commitment to optimizing cooling strategies for dynamic workloads.
Simultaneously, Meta’s investment in liquid-cooled racks is paving the way for hosting powerful Nvidia Blackwell chips, a testament to its dedication to high-density computing capacities. Meta’s development of novel cooling architectures signifies an actionable dedication to meeting elevated density demands head-on. Driven by a vision for technological excellence, Meta’s presentation at the OCP highlights its plans for constructing double-wide racks, a solution designed to enhance deployment agility in both proprietary and external data center environments.
Meta’s Vision for Future Data Centers
The fast-paced evolution of artificial intelligence necessitates powerful infrastructure to support increasingly sophisticated applications and processing demands. Leading tech giants like Google, Meta, and Microsoft are partnering to spearhead innovative projects that may shape the future of AI workloads. At the 2025 OCP EMEA Summit, these companies jointly revealed strategies to advance high-density IT racks, aiming to achieve densities as high as 1 megawatt. This bold effort addresses the rising need for efficient power distribution and cutting-edge cooling solutions to tackle AI workload challenges. The Mount Diablo project, a collaboration among these tech leaders, highlights their dedication to transforming the disaggregation of power components from IT racks, boosting space optimization and enhancing performance capabilities. As the industry anticipates rack densities exceeding 500kW soon, the journey to the 1MW target is poised to redefine data center design and operations, signaling a new era in AI infrastructure development.