User information about SURFsara systems

The information on this website is especially intended for users of the SURFsara systems, such as Cartesius, Lisa, Grid, HPC Cloud, Archive, and the Persistent Identifiers.

System status

Technical pages

On these technical pages you can find information on how to use the systems hosted and supported by SURFsara. We do our utmost to keep the documentation on this website up-to-date and accurate. If you find errors or have suggestions for improvement, we encourage you to contact us via ServiceDesk or +31 20 8001400. 

SURFsara services

You can find detailed information on the SURFsara services on the website of

ISO 27001-certification

SURFsara holds an ISO 27001 certification for information security. This means that we meet strict international standards.


Snellius is the Dutch national supercomputer. Snellius is a  general purpose capability system and is designed to be a well-balanced system.


The Lisa Cluster is meant for people who are in need of large computing capacities, but do not need the facilities of a real supercomputer.

Data Archive

The SURFsara Data Archive allows the user to safely archive up to petabytes of valuable research data. 

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