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Cray-3 and Cray-4 Machines

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Cray-3 and Cray-4 Range <img width=”300″ height=”226″ src=”https://cray-history.net/wp-content/uploads/2021/07/Cray-3_JDLT_09-300×226.png” alt=”” srcset=”https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/Cray-3_JDLT_09.png?resize=300%2C226&ssl=1 300w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/Cray-3_JDLT_09.png?resize=1024%2C772&ssl=1 1024w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/Cray-3_JDLT_09.png?resize=768%2C579&ssl=1 768w, https://i0.wp.com/cray-history.net/wp-content/uploads/2021/07/Cray-3_JDLT_09.png?w=1500&ssl=1 1500w” sizes=”(max-width: 300px) 100vw, 300px” /> 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 […]

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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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Cray Channels Extract – Customer notes

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The Cray Channels magazine provides some insight into the customer and applications that used Cray Research Supecomputers. The Corporate Register section often listed customer orders and installation of Cray systems around the world. These have been extracted and are presented here for review. Further data analysis can be found on the Cray Channels Organisation page.

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FAQ-5 Cray Machine specifications

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Cray Research and Cray computers FAQ Part 5 Introduction Cray 1s Cray 1m Cray XMP Cray EA Cray YMP Model D IOS Cray YMP Model E IOS Cray 2 Cray XMS Cray YMP EL Cray EL92 Cray EL94 Cray C90 Cray T90 Cray J90 Cray T3e Cray T3d Cray SV1 This Cray supercomputer Faq is

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FAQ-4 Buying a previously owned Cray System

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Cray Research and Cray computers FAQ Part 4 Introduction How much to pay ? Things to look for in an EL. Things to look for in a J90. Other sources of Cray boards Other Cray items bought and sold Trademark Disclaimer and copyright notice   This Cray supercomputer Faq is split into sections, Part 1

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FAQ-2 Tales from the Crypto and other Bar stories

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Cray Research and Cray computers FAQ Part 2 Tales from the crypto and other bar stories The immovable object Cray-1 Lands at Boeing CPU hangs A good start Tales from the crypto A change in the weather It would not start and EL pictures Cray-2 Cooling towers NetworkCS Powers Down (last) CRAY-2 Cray-3 memories by

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FAQ-1 Cray Supercomputer families 1978 .. 1999

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Cray supercomputer families Assessing a supercomputer PVP Generations, XMP, YMP, C90, T90 Parallel Vector Processors, the core product line of Cray Research. Inside a Vector CPU Air cooled vector superminis, XMS, EL, J90 EL and J90 internals Four things that annoyed EL customers. The Cray-2 Massively Parallel Processing systems, T3d, T3e Cray Superserver systems Cray

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Cray Channels Collection Notes

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A selection of the Cray Channels Magazine Channels was a quarterly magazine published by Cray Research from 1979 through 1998. Channels was intended for the users and purchasers of Cray Systems.   The articles cover a wide range of supercomputing topics. Whilst not a formal journal, many of the articles provide comprehensive technical information about

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FAQ-3 Short notes and answers

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Cray Research and Cray computers FAQ Part 3 Cray Research and Cray computers FAQ Part 3 What’s in a name ? What’s in a number ? Where did the first ones go ? Who has/had the most Cray systems ? What is a T94/SSS ? What went overseas ? Keeping it cool What’s a Mega

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Privacy Policy

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Who we are Our website address is: https://cray-history.net. What personal data we collect and why we collect it Comments When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymised string created from

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