Machine Families

Cray YMP Model E

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Cray YMP Model E Range <img width=”150″ height=”150″ src=”https://cray-history.net/wp-content/uploads/2021/07/ymp8e-150×150.png” alt=”” srcset=”https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/ymp8e.png?resize=150%2C150&ssl=1 150w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/ymp8e.png?zoom=2&resize=150%2C150&ssl=1 300w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/ymp8e.png?zoom=3&resize=150%2C150&ssl=1 450w” sizes=”(max-width: 150px) 100vw, 150px” /> The Cray-YMP Model E range was the direct successor to the YMP Model D and were manufactured from 1990 until 1994. Around 200 YMP machines were manufactured, and many customers migrated their workload from […]

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Cray YMP Model D

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Cray YMP Model D Range <img width=”150″ height=”150″ src=”https://chdev.co.uk/wp-content/uploads/2021/08/ymp8d-1-150×150.png” alt=”” loading=”lazy” /> The Cray-YMP range of computers were manufactured from 1989 until 1994. Around 200 of these machines were manufactured, and many customers migrated their workload from the Cray-XMP to a Cray-YMP. Like the Cray-XMP, the Cray-YMP were available with multiple processor configurations of 2,

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Cray XMP machines

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Cray XMP Range <a href=”https://chdev.co.uk/wp-content/uploads/2021/08/Cray-X-MPSmaller.png” data-elementor-open-lightbox=”yes” data-elementor-lightbox-title=”Cray X-MPSmaller” data-e-action-hash=”#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Mjc4OCwidXJsIjoiaHR0cHM6XC9cL2NyYXktaGlzdG9yeS5uZXRcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjFcLzA4XC9DcmF5LVgtTVBTbWFsbGVyLnBuZyJ9″> <img width=”150″ height=”150″ src=”https://cray-history.net/wp-content/uploads/2021/08/Cray-X-MPSmaller-150×150.png” alt=”” srcset=”https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/Cray-X-MPSmaller.png?resize=150%2C150&ssl=1 150w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/Cray-X-MPSmaller.png?zoom=2&resize=150%2C150&ssl=1 300w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/Cray-X-MPSmaller.png?zoom=3&resize=150%2C150&ssl=1 450w” sizes=”(max-width: 150px) 100vw, 150px” /> </a> <p style=”font-style: normal; font-size: 15px; font-variant-ligatures: normal; orphans: 2; widows: 2; text-decoration-thickness: initial;”>The Cray XMP was the next generation and direct successor of the Cray-1. The Cray-XMP series of

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Cray-3 and Cray-4 Machines

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Cray-3 and Cray-4 Range The Cray-3 and Cray-4 prototype are the last in an impressive line of computers designed by Seymour Cray. Similar to the Cray-2 in size and cooling arrangements but the modules shrunk and the technology changed from silicon to gallium arsenide. The Cray-3 had a trial at NCAR and the Cray-4 was

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Cray-1 Machines

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Cray-1 Machines <a href=”https://cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png” data-elementor-open-lightbox=”yes” data-elementor-lightbox-title=”cropped-Jean-Cray-1-Blue-Logo.png” data-elementor-lightbox-description=”https://chdev.co.uk/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png” data-e-action-hash=”#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjY3OCwidXJsIjoiaHR0cHM6XC9cL2NyYXktaGlzdG9yeS5uZXRcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjFcLzA4XC9jcm9wcGVkLUplYW4tQ3JheS0xLUJsdWUtTG9nby5wbmcifQ%3D%3D”> <img width=”150″ height=”150″ src=”https://cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo-150×150.png” alt=”” srcset=”https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?resize=150%2C150&ssl=1 150w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?resize=300%2C300&ssl=1 300w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?resize=270%2C270&ssl=1 270w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?resize=192%2C192&ssl=1 192w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?resize=180%2C180&ssl=1 180w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?resize=32%2C32&ssl=1 32w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/08/cropped-Jean-Cray-1-Blue-Logo.png?w=512&ssl=1 512w” sizes=”(max-width: 150px) 100vw, 150px” /> </a> The Cray-1 is the foundation from which the supercomputing industry was born. This was not the first computer aimed at the technical

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Cray-2 Machines

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Cray-2 Range page <a href=”https://cray-history.net/wp-content/uploads/2025/03/Enscape_2022-09-27-15-56-46.png” data-elementor-open-lightbox=”yes” data-elementor-lightbox-title=”Enscape_2022-09-27-15-56-46″ data-e-action-hash=”#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTExMDMsInVybCI6Imh0dHBzOlwvXC9jcmF5LWhpc3RvcnkubmV0XC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI1XC8wM1wvRW5zY2FwZV8yMDIyLTA5LTI3LTE1LTU2LTQ2LnBuZyJ9″> <img width=”300″ height=”207″ src=”https://cray-history.net/wp-content/uploads/2025/03/Enscape_2022-09-27-15-56-46-300×207.png” alt=”” srcset=”https://i0.wp.com/cray-history.net/wp-content/uploads/2025/03/Enscape_2022-09-27-15-56-46.png?resize=300%2C207&ssl=1 300w, https://i0.wp.com/cray-history.net/wp-content/uploads/2025/03/Enscape_2022-09-27-15-56-46.png?resize=1024%2C707&ssl=1 1024w, https://i0.wp.com/cray-history.net/wp-content/uploads/2025/03/Enscape_2022-09-27-15-56-46.png?resize=768%2C531&ssl=1 768w, https://i0.wp.com/cray-history.net/wp-content/uploads/2025/03/Enscape_2022-09-27-15-56-46.png?w=1258&ssl=1 1258w” sizes=”(max-width: 300px) 100vw, 300px” /> </a> The Cray-2 series of computers were manufactured from 1985 till 1990. At the time, the Cray-2 had the largest static memory of any computer in the world. This

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Cray Machine Families up to year 2000

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This page looks at the Cray family tree of supercomputers with links to the major groups of systems.   Click on the Icons below for more information about the chosen range of machines.   Cray-1   The Cray-1 series of computers were manufactured from 1976 till 1983. There were three major variants, Cray-1A, Cray-1S and

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