\tIsambard-AI, the UK\u2019s Most Powerful AI Supercomputer, Goes Live | NVIDIA Blog<\/p>\n
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\tSkip to content<\/a><\/p>\n \n\t\t\t\t\tThe University of Bristol\u2019s Isambard-AI, powered by NVIDIA Grace Hopper Superchips, delivers 21 exaflops of AI performance, making it the fastest system in the U.K. and among the most energy-efficient globally.\t\t\t\t<\/p>\n \n\t\tYour browser does not support the video tag.\t<\/p>\n The U.K. has officially joined the premier league of global AI infrastructure \u2014 and it\u2019s not starting small.<\/p>\n At a ribbon-cutting ceremony at the Bristol Centre for Supercomputing (BriCS), leaders today unveiled Isambard-AI, the most powerful AI supercomputer ever built in the U.K.<\/p>\n U.K. Secretary of State Peter Kyle was joined by leaders from across academia, industry and government, including Simon McIntosh-Smith, director of the Bristol Centre for Supercomputing, and Neil MacDonald, executive vice president and general manager\u202f for Hewlett Packard Enterprise\u2019s server business.<\/p>\n \u201cAnd as we press this switch to activate the UK\u2019s most powerful supercomputer, we are embarking on Britain\u2019s super future where AI contributes towards the delivery of better public services, greater public prosperity, deeper scientific discovery and stronger national security,\u201d Kyle said.<\/p>\n \u00a0The numbers back up Kyle\u2019s statement:<\/p>\n 21 exaflops of AI performance \t\t\t \t\t\tEngineering teams working collaboratively to maneuver and install components within the supercomputer\u2019s data hall, illustrating the complex and coordinated effort behind the build.\t\t<\/p>\n \tWhy It Matters<\/p>\n Isambard-AI gives U.K. researchers and businesses a once-in-a-generation leap in computing power. It\u2019s a platform to accelerate breakthroughs in:<\/p>\n AI-driven drug discovery Backed by \u00a3225 million in government investment and built with NVIDIA, HPE, the University of Bristol and others, Isambard-AI signals a clear ambition: to lead in AI, the U.K. must lead in compute.<\/p>\n \t\t\t\t \t\t\t\tSimon McIntosh-Smith, director of the Bristol Centre for Supercomputing, with Simon Appleby, AI business lead at HPE. \t\t\t<\/p>\n \t\t\t\t \t\t\t\tA glimpse into the project\u2019s strategic planning, showing a screen outlining the ambitious goal of installing multiple supercomputers, including Isambard-AI\u2019s phases, within 12 months.\t\t\t<\/p>\n \tA Turning Point for UK Science<\/p>\n Named after Isambard Kingdom Brunel \u2014 the 19th-century engineer who reshaped Britain with railways, bridges and ships \u2014 Isambard-AI brings that same scale of ambition to AI research.<\/p>\n And like Brunel\u2019s projects during his era, it moves fast. Having gone from conception to deployment in just under two years, including the construction of the modular data center in 48 hours, the supercomputer is already running live projects aligned with national priorities.<\/p>\n Early flagship projects include:<\/p>\n Nightingale AI: A sovereign, multimodal health foundation model trained on National Health Service (NHS) data to support earlier diagnoses and personalized care. \t\t\t \t\t\tA technician carefully installs a server blade equipped with direct liquid cooling, demonstrating the hands-on precision involved in assembling Isambard-AI\u2019s advanced computing infrastructure.\t\t<\/p>\n \tBuilt Fast, Built Smart<\/p>\n How do you build a supercomputer in half the usual time?<\/p>\n \u201cWe treated the project like a high-performance processor,\u201d said Simon McIntosh-Smith, director at BriCS. \u201cWe executed everything in parallel.\u201d<\/p>\n Key to this speed:<\/p>\n Parallelized project management \t\t\t \t\t\tA close-up of the intricate network of liquid-cooling pipes, a crucial component of Isambard-AI\u2019s world-class energy efficiency and ability to pack 440 GPUs per cabinet.\t\t<\/p>\n \tWorld-Class Efficiency<\/p>\n Isambard-AI is not just fast \u2014 it\u2019s green.<\/p>\n Ranked fourth globally on the Green500 list \t\t\t \t\t\tAn aerial view of the Isambard-AI construction site, illustrating the scale of the modular data center build and the rapid progress made in creating the U.K.\u2019s most powerful AI supercomputer.\t\t<\/p>\n \tA National Asset<\/p>\n Access will be managed by the U.K. Department for Science, Innovation, and Technology and U.K. Research and Innovation, with an emphasis on aligning usage with national priorities, enabling smaller institutions and startups, and supporting both research and commercial innovation.<\/p>\n The U.K. now has an AI infrastructure asset that matches its ambitions, not just for headline moments but for deep, lasting national impact.<\/p>\n \t\t\t \tThe UK\u2019s AI Playbook: Infrastructure, Investment, Acceleration<\/p>\n The launch of Isambard-AI marks a big leap for the U.K., one part of a broader, coordinated push to put Britain at the forefront of AI.<\/p>\n From supercomputers to skills programs, Britain is building the tools to lead in AI \u2014 on its own terms.<\/p>\n Images and video courtesy of the Bristol Centre for Supercomputing<\/a>.\u00a0<\/p>\n Related News<\/p>\n \t \t \t\tOf around 7,000 languages in the world, a tiny fraction are supported by AI language models. 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To foster such innovation, the… \t\tRead Article <\/a>\t<\/p>\n","protected":false},"excerpt":{"rendered":"Isambard-AI, the UK\u2019s Most Powerful AI Supercomputer, Goes Live | NVIDIA Blog Skip to content The University of…\n","protected":false},"author":2,"featured_media":73052,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[64,63,257,105],"class_list":{"0":"post-73051","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-computing","8":"tag-au","9":"tag-australia","10":"tag-computing","11":"tag-technology"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/73051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=73051"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/73051\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/73052"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=73051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=73051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=73051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n5,448 NVIDIA GH200 Grace Hopper Superchips
\nSet to rank 11th worldwide on the latest TOP500 list of world\u2019s fastest supercomputers
\nMore than 10x faster than the next-fastest supercomputer in the U.K. More computing power than all other U.K. supercomputers combined
\nRanked fourth globally for energy efficiency<\/p>\n![\"Engineering](\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2025\/08\/Isambard-AI-2025.03.24-22-scaled.jpg\")
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\nAdvanced climate modeling
\nMaterials science
\nLarge language models (LLMs<\/a>) tuned to U.K. languages and laws<\/p>\n![\"Simon](\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2025\/08\/Isambard-AI-2025.03.24-01-scaled.jpg\")
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\nBritLLM: A U.K.-developed LLM project supporting British languages like Welsh, alongside English, to promote inclusivity and better public service delivery in healthcare, education and public services.
\nUCL Cancer Screening AI: Developing the first scalable AI system for prostate cancer detection via MRI, aiming for faster diagnoses and tailored treatments.
\nEIMCRYSTAL (University of Liverpool): Using AI to search 68 million chemical combinations to discover greener, more sustainable industrial materials \u2014 reducing reliance on rare or toxic inputs.
\nEgoAI (University of Bristol): Using AI to analyze recordings from wearable cameras and other smart devices to help people perform tasks better at home. This holds immense promise for assisting dementia patients in the future.<\/p>\n![\"A](\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2025\/08\/Isambard-AI-2025.03.24-29-scaled.jpg\")
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\nEarly procurement of critical hardware, particularly GPUs
\nPrefabricated modular data halls shipped in and assembled in days
\nRelentless optimization of delivery timelines
\nGround broke in June 2024. By June 2025, the full 5-megawatt system was live: built, tested and running at a global scale.<\/p>\n![\"A](\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2025\/08\/Isambard-AI-2025.03.27-3-scaled.jpg\")
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\nPowered by NVIDIA GH200 Superchips, among the most efficient chips available
\nDirect liquid-cooling architecture from HPE packs 440 GPUs per cabinet
\nHybrid cooling towers enable >90% dry, waterless operation
\nEntirely powered by zero-carbon electricity
\nEngineered with the potential to recycle waste heat
\nOverall power usage effectiveness below 1.1, among the best ever achieved<\/p>\n![\"An](\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2025\/08\/Isambard-AI-2025.03.24-43-scaled.jpg\")
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