Hewlett Packard Enterprise (HPE) has been showcasing the Cray supercomputing systems featuring its groundbreaking 100 percent fanless direct liquid cooling architecture, which powers the world’s fastest supercomputer, El Capitan, at GITEX Global 2025 in Dubai.
The revolutionary cooling system of El Capitan enables it to deliver unparalleled performance while achieving outstanding energy efficiency and sustainability.
Recognized as the world’s most powerful supercomputer, El Capitan leverages HPE’s liquid cooling technology to reduce cooling power consumption by up to 90 percent compared to traditional air-cooled systems.
This innovation allows El Capitan to run intensive AI workloads efficiently, lowering utility costs, carbon emissions, and data center noise. The fanless design also supports higher server cabinet density, helping data centers cut floor space usage in half while maximizing computing power.
HPE’s direct liquid cooling pumps coolant directly onto critical components like GPUs, CPUs, server blades, storage, and network fabrics, enabling exceptional thermal management crucial for exascale performance. El Capitan’s architecture combines AMD Instinct MI300A accelerated processing units and HPE’s Cray EX system to deliver 1.742 exaflops of computational power, making it the fastest supercomputer in the world.
Image Credits: HPE | Cropped by GBN
High-density and energy-efficient design of El Capitan has secured HPE multiple spots on the Green500 list of the world’s most energy-efficient supercomputers. Its innovative cooling system not only powers it, but also sets a new industry standard for sustainable, scalable AI and HPC workloads.
El Capitan’s role in sustainable high-performance computing
As AI workloads grow globally, El Capitan’s liquid cooling platform offers a future-ready solution for organizations seeking to optimize data center operations while aligning with stringent environmental commitments. HPE’s leadership with the system exemplifies the fusion of cutting-edge computing performance and sustainable innovation.
GITEX Global 2025, held at Dubai World Trade Centre, is the premier technology and AI event globally, featuring over 6,800 exhibitors and showcasing transformative breakthroughs that drive the future of computing, artificial intelligence, and digital governance.
