Jean Zay H100 extension

GENCI and IDRIS provide this Jean Zay extension for academic and industrial open AI research.

Jean Zay H100 extension is an operational GPU cluster run by IDRIS / CNRS (GENCI) in Saclay, France. It has 1,456 NVIDIA H100 80 GB GPUs installed.

Supercomputer

Verified 11 Nov 2026

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Facts

Source per value

Owner / operator Organization that owns or operates the GPUs. Hosting and facility roles are listed under Partners.: IDRIS / CNRS (GENCI) 1
GPU maker NVIDIA, AMD or Intel, taken from the GPU model.: NVIDIA 1
GPU model Accelerator model or family as disclosed. A GH200 is one GPU on a superchip; an MI300A is an APU that contains a GPU.: NVIDIA H100 80 GB 1
GPUs installed Physical GPUs in the cluster, from the operator or a deterministic sum of disclosed quantities (nodes × GPUs per node). Planned counts, H100-equivalents and unaudited press totals are never counted here.: 1,456 1
GPU count notes What the count covers (one partition, one site, a design limit), qualifiers and competing figures.: H100 extension only; older A100 and V100 partitions excluded. 1
Location City, region and country where the cluster sits. Empty when the operator does not name the site.: Saclay, France 1
Country Country of the cluster, taken from the location.: France 1
Live power MW Power in service, in megawatts of IT load where the source says so. Company figures are marked in the notes; Epoch AI satellite estimates are labelled as estimates.: Not published
Status operational = running and named as such by the operator or a primary source; partly operational = a phase is live and more is coming; under construction = building underway; announced = disclosed or contracted with no confirmed go-live.: operational 1
Status notes The source’s wording on status, with the date.: In production per the funder’s project page. 1
Partners Customer, facility owner, builder or procurement body, as named by the source.: Procured by: GENCI 1
Interconnect Cluster network fabric.: Mellanox 400 Gb/s 1

Sources

anr.fr accessed 2026-11-11

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